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#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define MOD 1000000007
#define FOR(i, a, b) for (ll i=a; i<(b); i++)
#define FORD(i, a, b) for (int i=a-1; i>=(b); i--)
void solve () {
ll ans = 0;
ll n;
cin >> n;
vector<ll> a(n);
FOR(i, 0, n) cin >> a[i];
FOR(i, 0, n) {
ll tmp;
cin >> tmp;
a[i] *= tmp;
ans += a[i];
}
if(ans==0)
cout << "Yes\n";
else
cout << "No\n";
}
int main ()
{
ios::sync_with_stdio(false);
cin.tie(0);
solve();
return 0;
}
//$ sudo g++ -o name name.cpp
//$ ./name | #include <bits/stdc++.h>
#define int long long int
#define pb push_back
#define vvi vector<vector<int>>
#define Pii pair<int,int>
#define SS second
#define F first
const int mod = 998244353;
#define ld long double
#define sp fixed<<setprecision(9)
const int inf =1e18+7;
using namespace std;
#define db(...) __f(#__VA_ARGS__, __VA_ARGS__)
template <typename Arg1>
void __f(const char* name, Arg1&& arg1) { cout << name << " : " << arg1 << '\n'; }
template <typename Arg1, typename... Args>
void __f(const char* names, Arg1&& arg1, Args&&... args) {
const char* comma = strchr(names + 1, ',');
cout.write(names, comma - names) << " : " << arg1 << " | "; __f(comma + 1, args...);
}
// int a[1000000],fenw[1000000];
// int query(int k){
// int s=0;
// while(k>=1){
// s+=fenw[k];
// k-=(k&-k);
// }
// return s;
// }
// void update(int k,int x,int n){
// while(k<=n){
// fenw[k]+=x;
// k+=(k&-k);
// }
// }
int powmod(int x, int n, int md){
int ans=1;
while(n){
if(n&1)
ans=(ans*x)%md;
n/=2;
x=(x*x)%md;
}
return ans;
}
int merge(int arr[],int temp[],int left,int mid,int right){
int i,j,k;
int inv_count=0;
i=left,j=mid,k=left;
while(i<mid and j<=right){
if(arr[i]<=arr[j]){
temp[k++]=arr[i++];
}else{
temp[k++]=arr[j++];
inv_count+=mid-i;
}
}
while(i<mid){
temp[k++]=arr[i++];
}
while(j<=right){
temp[k++]=arr[j++];
}
for(i=left;i<=right;i++){
arr[i]=temp[i];
}
return inv_count;
}
int merge_sort(int arr[],int temp[],int left,int right){
int mid,inv_count=0;
if(right>left){
mid=(left+right)/2;
inv_count+=merge_sort(arr,temp,left,mid);
inv_count+=merge_sort(arr,temp,mid+1,right);
inv_count+=merge(arr,temp,left,mid+1,right);
}
return inv_count;
}
void solve(int test){
int n;
cin>>n;
int a[n];
int b[n];
vector<vector<int>> v1,v2;
for(int i=0;i<n;i++){
cin>>a[i];
a[i]+=i;
v1.pb({a[i],i});
}
for(int i=0;i<n;i++){
cin>>b[i];
b[i]+=i;
v2.pb({b[i],i});
}
sort(v1.begin(),v1.end());
sort(v2.begin(),v2.end());
int v[n],temp[n];
for(int i=0;i<n;i++){
if(v1[i][0]!=v2[i][0]){
cout<<-1;
return;
}
v[v1[i][1]]=v2[i][1];
}
cout<<merge_sort(v,temp,0,n-1);
}
int32_t main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
#ifndef ONLINE_JUDGE
freopen("input.txt","r",stdin);
freopen("output.txt","w",stdout);
#endif
//double pi=3.14159265358979323846;
//sieve();
//precompute();
int t=1;
//cin>>t;
int test=1;
while(t--){
solve(test);
test++;
}
return 0;
}//Ardhendu Reja , JGEC
|
#include<bits/stdc++.h>
#define LL long long
#define pb push_back
#define pii pair<int,int>
using namespace std;
const int mn=3006;
int n,a[mn];
int main()
{
scanf("%d",&n);
a[1]=6,a[2]=10,a[3]=15;a[0]=3;
for(int i=1;i<=10000;++i) {
if(i==6||i==10||i==15) continue;
if(i%6==0||i%10==0||i%15==0) a[++a[0]]=i;
}
for(int i=1;i<=n;++i) cout<<a[i]<<" ";
} | #include <bits/stdc++.h>
#define REP(i, nn ) for(int i = 0 ; i < (int) nn; i++)
#define REPS(i, ss, nn ) for(int i = ss ; i < (int) nn; i++)
#define REV(i, ss, nn ) for(int i = ss ; i >= nn; i--)
#define deb(x) std::cout << #x << " " << x << endl;
#define debl(x) std::cout << #x << " " << x << " ";
#define all(x) x.begin(), x.end()
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vl;
namespace std{
template<class Fun>
class y_combinator_result{
Fun fun_;
public:
template<class T>
explicit y_combinator_result(T &&fun) : fun_(std::forward<T>(fun)){}
template<class ...Args>
decltype(auto) operator()(Args&&...args){
return fun_(std::ref(*this), std::forward<Args>(args)...);
}
};
template<class Fun>
decltype(auto) y_combinator(Fun && fun){
return y_combinator_result<std::decay_t<Fun>>(std::forward<Fun>(fun));
}
};
template<typename T>
bool umax(T& a, T b){
bool ret = a < b;
if(ret) a = b;
return ret;
}
template<typename T>
bool umin(T& a, T b){
bool ret = a > b;
if(ret) a = b;
return ret;
}
struct edge{
int to; ll cost;
int from;
edge(){ edge(0,0);}
edge(int to_, ll cost_) : to(to_), cost(cost_){}
edge(int to_, int from_, ll cost_) : to(to_), cost(cost_), from(from_){}
};
template<typename... T>
void read(T& ... a){
((cin >> a),...);
}
template<typename... T>
void write(T... a){
((cout << a),...);
}
template<typename T>
vector<T> read_array(int sz){
vector<T> ret(sz);
for(auto & x : ret) cin >> x;
return ret;
}
void solve(){
int n;
read(n);
int mxN = 10000;
vector<int> v;
for(int k = 1; k <= mxN; k++){
int c = 0;
if ( k % 2 == 0) c++;
if( k % 3 == 0) c++;
if (k % 5 == 0) c++;
if(c >= 2) v.push_back(k);
}
if(n == 3){
vector<int> ans = {6, 10, 15};
for(int i = 0 ; i < n ; i++) write(ans[i], " ");
return;
}
// deb(v.size());
for(int i = 0 ; i < n ; i++) write(v[i], " ");
}
int main()
{
//making data IO Fast
std::ios_base::sync_with_stdio(false);
std::cin.tie(NULL);
/****************************/
int T = 1;
// cin >> T;
while(T--)
solve();
return 0;
}
|
#include<iostream>
#include<algorithm>
using namespace std;
bool mysolve(int arr[4]){
int sum = 0;
for(int i = 0 ; i< 4 ; i++){
sum+=arr[i];
}
int flag = 0;
for(int i = 0 ; i< 4; i++){
if(arr[i]==(sum-arr[i]))
{flag=1;break;}
}
for(int i = 0 ; i< 4; i++){
for(int j = i + 1 ; j <4 ; j++){
if((arr[i]+arr[j])==(sum-arr[i]-arr[j]))
{flag=1;break;}}
}
for(int i = 0 ; i< 4; i++){
for(int j = i + 1 ; j <4 ; j++){
for(int k = j +1 ; k < 4; k++){
if((arr[i]+arr[j]+arr[k])==(sum-arr[i]-arr[j]-arr[k]))
{flag=1;break;}}}
}
if(flag){
return true;
}
else return false;
}
bool editoral(int arr[4]){
if((arr[0]+arr[3] == arr[2]+arr[1])||(arr[0]+arr[1]+arr[2]==arr[3]))
return true;
else return false;
}
int main()
{
int arr[4];
cin>>arr[0]>>arr[1]>>arr[2]>>arr[3];
sort(arr,arr+4);
//bool answer = mysolve(arr);
bool answer = editoral(arr);
answer?cout<<"Yes"<<endl:cout<<"No"<<endl;
return 0;
}
| #include<bits/stdc++.h>
using namespace std;
int main(){
int a,b,c,d;
cin>>a>>b>>c>>d;
if(a==b+c+d)return puts("Yes"),0;
if(b==a+c+d)return puts("Yes"),0;
if(c==b+a+d)return puts("Yes"),0;
if(d==b+c+a)return puts("Yes"),0;
if(b+a==c+d)return puts("Yes"),0;
if(a+c==b+d)return puts("Yes"),0;
if(b+c==a+d)return puts("Yes"),0;
puts("No");
return 0;
}
|
// https://atcoder.jp/contests/abc191/tasks/abc191_e
#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < n; i++)
#define repr(i, n) for (int i = n - 1; i >= 0; i--)
#define ALL(x) x.begin(), x.end()
using str = string;
using ll = long long;
using vi = vector<int>;
using vvi = vector<vector<int>>;
using vll = vector<ll>;
using vvl = vector<vector<ll>>;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
struct Graph {
struct Edge {
int from, to, cost;
};
int n;
int INF;
vector<vector<Edge>> adj_list;
Graph(int _n) {
n = _n;
INF = 1e9;
adj_list.resize(n, vector<Edge>(0));
}
void add(int from, int to, int cost) {
adj_list[from].push_back({from, to, cost});
}
int dijkstra(int start) {
int ans = INF;
vector<int> dist(n, INF);
dist[start] = 0;
priority_queue<pair<int, int>, vector<pair<int, int>>, greater<pair<int, int>>> pq;
pq.push({dist[start], start});
while (not pq.empty()) {
int cur = pq.top().second;
pq.pop();
for (Edge e : adj_list[cur]) {
if (dist[e.to] > dist[cur] + e.cost) {
dist[e.to] = dist[cur] + e.cost;
pq.push({dist[e.to], e.to});
}
if (e.to == start) {
ans = min(ans, dist[cur] + e.cost);
}
}
}
return ans == INF ? -1 : ans;
}
};
int main() {
int n, m;
cin >> n >> m;
Graph g(n);
rep(i, m) {
int a, b, c;
cin >> a >> b >> c;
a--; b--;
g.add(a, b, c);
}
rep(i, n) {
cout << g.dijkstra(i) << endl;
}
}
| #include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (n); ++i)
using std::cin;
using std::cout;
using std::vector;
const int N = 200005;
vector<int> to[N];
int dep[N];
int in[N];
int out[N];
int k;
vector<int> ls[N];
void dfs(int v, int d) {
in[v] = k++;
dep[v] = d;
for (int u : to[v]) dfs(u, d + 1);
out[v] = k;
}
int main() {
int n;
cin >> n;
rep(i, n - 1) {
int p;
cin >> p;
to[p - 1].push_back(i + 1);
}
dfs(0, 0);
rep(i, n) ls[dep[i]].push_back(in[i]);
rep(i, n) sort(ls[i].begin(), ls[i].end());
int q;
cin >> q;
auto f = [&](int d, int r) {
return lower_bound(ls[d].begin(), ls[d].end(), r) - ls[d].begin();
};
rep(qi, q) {
int u, d;
cin >> u >> d;
--u;
int ans = f(d, out[u]) - f(d, in[u]);
cout << ans << '\n';
}
return 0;
} |
#include<bits/stdc++.h>
using namespace std;
int main(){
int n;
cin>>n;
vector<tuple<long long,long long,long long>> a(n);
for(int i=0;i<n;i++){
cin>>get<0>(a[i])>>get<1>(a[i])>>get<2>(a[i]);
get<2>(a[i])=max(0ll,get<2>(a[i])-get<0>(a[i]));
if(get<2>(a[i])==0) get<0>(a[i])=10*10*10*10*10*10*10*10*10+1;
}
sort(a.begin(),a.end());
if(get<0>(a[0])==10*10*10*10*10*10*10*10*10+1) cout<<-1<<endl;
else{
long long ans=10*10*10*10*10*10*10*10*10+1;
int w=0;
while(get<0>(a[w])<10*10*10*10*10*10*10*10*10+1){
ans=min(ans,get<1>(a[w]));
w++;
}
cout<<ans<<endl;
}
} |
#include<bits/stdc++.h>
using namespace std;
int main() {
long long n, a, b, x, mn = 10000000000, pre = 0, d = 0;
cin>>n;
while(n--){
cin>>a>>b>>x;
d = d + a - pre;
x = x - d;
if(x > 0) mn = min(mn, b);
pre = a;
}
if(mn == 10000000000) cout<<-1<<endl;
else cout<<mn<<endl;
return 0;
}
|
#include<bits/stdc++.h>
using namespace std;
#ifndef ONLINE_JUDGE
#define LOCAL
#endif
typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> pll;
typedef vector<ll> vi;
typedef vector<pll> vpll;
const long infl=0x3f3f3f3f3f3f3f3fLL;
const int infi=0x3f3f3f3f;
#define endl '\n'
#define pb push_back
#define all(a) (a).begin(),(a).end()
#define F first
#define S second
#define rs(v,n) v.resize(n)
#define hell 1000000007
//#define hell 998244353
#define peak 9e18
#define pii acos(-1)
#define clr(a,x) memset(a,x,sizeof(a))
auto clk=clock();
mt19937_64 rang(chrono::high_resolution_clock::now().time_since_epoch().count());
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
template<typename T>
using ordered_set = tree<T,null_type,less<T>,rb_tree_tag,tree_order_statistics_node_update>;
namespace Ops{
template<class y,class z> ll expo(ll b,y e,z m){ll a=1;b%=m;while(e!=0){if((e&1)==1){a=a*b;a=a%m;}b=b*b;b%=m;e>>=1;}return a%m;}
template<class y> ll power(ll b,y e){ll a=1;while(e!=0){if((e&1)==1){a=a*b;}b=b*b;e>>=1;}return a;}
template<class x,class z> ll inv(x b,z m){return expo(b,m-2,m);}
template<class x,class y> x invGeneral(x a,y b){if(a==0)return b==1?0:-1;x m=invGeneral(b%a,a);return m==-1?-1:((1-(ll)b*m)/a+b)%b;}
template<class x,class y> x min(x a,y b){x c;if(a<=b)c=a;else c=b;return c;}
template<class x,class y> x max(x a,y b){x c;if(a>=b)c=a;else c=b;return c;}
ll mul(ll x,ll y,ll m){x%=m;y%=m;if(x==0)return 0;if(x%2==0)return (mul(x/2,y,m)*2)%m;return ((mul(x/2,y,m)*2)%m+y)%m;}
}
using namespace Ops;
namespace InOp{
template<class x>istream &operator>>(istream &in,vector<x> &v) {for(auto& i:v)in>>i;return in;}
template<class x,class y> ostream &operator<<(ostream &out,pair<x,y> &p) {out<<"("<<p.F<<","<<p.S<<")";return out;}
template<class x> ostream &operator<<(ostream &out,vector<x> &v) {out<<"Size : "<<v.size()<<endl;for(auto i:v)out<<i<<" ";out<<endl;return out;}
}
using namespace InOp;
namespace Debug{
#ifdef LOCAL
#define deb(...) printall(#__VA_ARGS__, __VA_ARGS__)
template <typename Arg1> void printall(const char* name, Arg1&& arg1){cerr<<name<<" : "<<arg1<<endl;}
template <typename Arg1, typename... Args>
void printall(const char* names,Arg1&& arg1,Args&&... args){const char* comma=strchr(names,',');cerr.write(names,comma-names)<<" : " <<arg1<<" | ";printall(comma+1,args...);}
#else
#define deb(...) void(0)
#endif
}
using namespace Debug;
namespace Bits{
template<class x> constexpr int onbits(x a){return __builtin_popcount(a);}
constexpr int bits(long long x){return 64-__builtin_clzll(x);}//take care of 0
constexpr int bits(int x){return 32-__builtin_clz(x);}//take care of 0
constexpr int traz(int a){return __builtin_ctz(a);}
constexpr int traz(long long a){return __builtin_ctzll(a);}
}
using namespace Bits;
namespace YesNo{
//#define CAPITAL
void yes(){
#ifdef CAPITAL
cout<<"YES"<<"\n";
#else
cout<<"Yes"<<"\n";
#endif
}
void no(){
#ifdef CAPITAL
cout<<"NO"<<"\n";
#else
cout<<"No"<<"\n";
#endif
}
}
using namespace YesNo;
void maester();
int main()
{
ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
srand(chrono::high_resolution_clock::now().time_since_epoch().count());
cout<<fixed<<setprecision(6);
cerr<<fixed<<setprecision(6);
ll test=1;
//cin>>test;
for(ll tt=1;tt<=test;tt++)
{
//cout<<"Case #"<<tt<<": ";
maester();
}
#ifdef LOCAL
cerr<<endl<<endl<<endl<<endl<<"Time elapsed: "<<(double)(clock()-clk)/CLOCKS_PER_SEC<<endl;
#endif
return 0;
}
#define N 1000005
void maester()
{
ll i,j,k,l,r,m,n,x,y;
cin>>n;
vi v(n);
cin>>v;
map<ll,ll> ma;
ll ans=0;
for(i=0;i<n;i++)
{
ans+=ma[v[i]%200];
ma[v[i]%200]++;
}
cout<<ans<<endl;
} | // Write CPP code here
#include <bits/stdc++.h>
using namespace std;
// function to Count pairs in an array whose
// absolute difference is divisible by k
void countPair(long int arr[], long int n, long int k)
{
// long intialize the count
long int cnt = 0;
// making every element of arr in
// range 0 to k - 1
for (long int i = 0; i < n; i++) {
arr[i] = (arr[i]) % k;
}
// create an array hash[]
long int hash[k] = { 0 };
// store to count of element of arr
// in hash[]
for (long int i = 0; i < n; i++) {
hash[arr[i]]++;
}
// count the pair whose absolute
// difference is divisible by k
for (long int i = 0; i < k; i++) {
cnt += (hash[i] * (hash[i] - 1)) / 2;
}
// prlong int the value of count
cout << cnt << endl;
}
// Driver Code
int main()
{
#ifndef ONLINE_JUDGE
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
long int n;
long int arr[1000000];
cin >> n;
for (long int i = 0; i < n; i++)
{
cin >> arr[i];
}
long int k = 200;
// calculate the size of array
//long int n = sizeof(arr) / sizeof(arr[0]);
countPair(arr, n, k);
return 0;
}
|
#include<bits/stdc++.h>
using namespace std;
const int N = 1e6 + 5, M = 1e3 + 5;
#define int long long
#define double long double
#define fio ios_base::sync_with_stdio(false);cin.tie(NULL);
char s[1111];
void solve() {
cin>>s+1;
for(int i=1;i<=strlen(s+1);i++){
if(i&1) {
if(s[i]>='A'&&s[i]<='Z') {
cout<<"No"<<endl;
return;
}
}
else{
if(s[i]>='a'&&s[i]<='z') {
cout<<"No"<<endl;
return;
}
}
}
cout<<"Yes"<<endl;
}
signed main() {
fio;
solve();
return 0;
} | #include<bits/stdc++.h>
#define inf 1e18
#define endl "\n"
#define loop(i,x,y) for(int i = x; i < y ; i++ )
#define in(n) int n; cin>>n;
#define inarr(arr,n) int arr[n]; for(int i = 0; i < n ; i++){cin>>arr[i];}
#define maploop(x) for(auto itr = x.begin(); itr != x.end();itr++)
#define int long long
using namespace std;
const int N = 10001;
int mod = 1000000007;
void Main()
{
string s;
cin >> s;
loop(i, 0, s.size())
{
if (i % 2 == 1)
{
if (s[i] >= 'A' && s[i] <= 'Z')
{
continue;
}
else
{
cout << "No" << endl;
return;
}
}
else
{
if (s[i] >= 'a' && s[i] <= 'z')
{
continue;
}
else
{
cout << "No" << endl;
return;
}
}
}
cout << "Yes" << endl;
}
int32_t main()
{
srand(time(0));
ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
int t = 1;
//cin >> t;
while (t--)
{
Main();
}
} |
//~ author : Sumit Prajapati
#include <bits/stdc++.h>
using namespace std;
#define ull unsigned long long
#define ll long long
#define int long long
#define pii pair<int, int>
#define pll pair<ll, ll>
#define pb push_back
#define mk make_pair
#define ff first
#define ss second
#define all(a) a.begin(),a.end()
#define trav(x,v) for(auto &x:v)
#define rep(i,n) for(int i=0;i<n;i++)
#define repe(i,n) for(int i=1;i<=n;i++)
#define read(a,n) rep(i,n)cin>>a[i]
#define reade(a,n) repe(i,n)cin>>a[i]
#define FOR(i,a,b) for(int i=a;i<=b;i++)
#define printar(a,s,e) FOR(i,s,e)cout<<a[i]<<" ";cout<<'\n'
#define curtime chrono::high_resolution_clock::now()
#define timedif(start,end) chrono::duration_cast<chrono::nanoseconds>(end - start).count()
auto time0 = curtime;
const int MD=1e9+7;
const int MDL=998244353;
const int INF=1e9;
const int MX=1e5+5;
void solve(){
int a,b,c,d;
cin>>a>>b>>c>>d;
rep(k,MX){
int cyan=a+k*b;
int red=d*k*c;
if(cyan<=red){
cout<<k<<"\n";
return;
}
}
cout<<"-1\n";
}
int32_t main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
time0 = curtime;
srand(time(NULL));
int t=1;
// cin>>t;
repe(tt,t){
// cout<<"Case #"<<tt<<": ";
solve();
}
// cerr<<"Execution Time: "<<timedif(time0,curtime)*1e-9<<" sec\n";
return 0;
}
| #include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
#ifdef ENABLE_DEBUG
#define dump(a) cerr<<#a<<"="<<a<<endl
#define dumparr(a,n) cerr<<#a<<"["<<n<<"]="<<a[n]<<endl
#else
#define dump(a)
#define dumparr(a,n)
#endif
#define FOR(i, a, b) for(ll i = (ll)a;i < (ll)b;i++)
#define For(i, a) FOR(i, 0, a)
#define REV(i, a, b) for(ll i = (ll)b-1LL;i >= (ll)a;i--)
#define Rev(i, a) REV(i, 0, a)
#define REP(a) For(i, a)
#define SIGN(a) (a==0?0:(a>0?1:-1))
typedef long long int ll;
typedef unsigned long long ull;
typedef unsigned int uint;
typedef pair<ll, ll> pll;
typedef pair<ll,pll> ppll;
typedef vector<ll> vll;
typedef long double ld;
typedef pair<ld,ld> pdd;
pll operator+(pll a,pll b){
return pll(a.first+b.first,a.second+b.second);
}
pll operator-(pll a,pll b){
return pll(a.first-b.first,a.second-b.second);
}
pll operator*(ll a,pll b){
return pll(b.first*a,b.second*a);
}
const ll INF=(1LL<<60);
#if __cplusplus<201700L
ll gcd(ll a, ll b) {
a=abs(a);
b=abs(b);
if(a==0)return b;
if(b==0)return a;
if(a < b) return gcd(b, a);
ll r;
while ((r=a%b)) {
a = b;
b = r;
}
return b;
}
#endif
template<class T>
bool chmax(T& a,const T& b){
if(a<b){
a=b;
return true;
}
return false;
}
template<class T>
bool chmin(T& a,const T& b){
if(a>b){
a=b;
return true;
}
return false;
}
template<class S,class T>
std::ostream& operator<<(std::ostream& os,pair<S,T> a){
os << "(" << a.first << "," << a.second << ")";
return os;
}
template<class T>
std::ostream& operator<<(std::ostream& os,vector<T> a){
os << "[ ";
REP(a.size()){
os<< a[i] << " ";
}
os<< " ]";
return os;
}
ll solve(long long X, long long Y){
static map<ll,ll> cache;
if(cache.count(Y)){
return cache[Y];
}
if(X>=Y){
return X-Y;
}
ll ret=abs(X-Y);
if(Y%2){
chmin(ret,solve(X,(Y+1)/2)+2);
chmin(ret,solve(X,(Y-1)/2)+2);
}else{
chmin(ret,solve(X,Y/2)+1);
}
return cache[Y]=ret;
}
int main(){
cout<<setprecision(1000);
long long X;
scanf("%lld",&X);
long long Y;
scanf("%lld",&Y);
cout<<solve(X, Y)<<endl;;
return 0;
}
|
#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i = 0; i < (int)n; i++)
using ll = long long;
const int INF = 1e9;
int main(){
int n, k;
cin >> n >> k;
vector<vector<int>> g(n);
rep(i,n-1) {
int u, v;
cin >> u >> v;
u--; v--;
g[u].push_back(v);
g[v].push_back(u);
}
int l = -1, r = n, m;
vector<int> dp(n), yet(n), done(n);
auto dfs = [&](auto&& self, int u, int p) -> void {
dp[u] = 0; yet[u] = 0; done[u] = INF;
for(auto x : g[u]) {
if(x == p) continue;
self(self,x,u);
dp[u] += dp[x];
done[u] = min(done[u],done[x]+1);
}
if(done[u] <= m) yet[u] = -1;
for(auto x : g[u]) {
if(x == p) continue;
if(yet[x]+1+done[u] > m) yet[u] = max(yet[u],yet[x]+1);
}
if(yet[u] == m) {
dp[u]++; done[u] = 0; yet[u] = -1;
}
};
while(r - l > 1) {
m = (l + r) / 2;
dfs(dfs,0,-1);
if(yet[0] != -1) dp[0]++;
(dp[0] <= k ? r : l) = m;
}
cout << r << endl;
return 0;
}
| #include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
#define mp make_pair
#define fr first
#define sc second
template<class T> T T_INF(){ return 1000000000000000000; }
template<> int T_INF<int>(){ return 1000000000; }
struct Tree{
int n;
vector<vector<pair<int,int>>> G;
Tree(int n_){ init(n_); }
Tree(){}
void init(int n_){
n=n_;
G=vector<vector<pair<int,int>>>(n);
}
void add_edge(int u,int v,int i=0){
G[u].push_back(mp(v,i));
}
};
struct rooted_tree{
Tree* Tr;
int root;
vector<pair<int,int>> par;
vector<int> dep;
vector<int> vs; //pre-orderにvertexを並べたもの
vector<int> pre_order; //頂点iがpre-orderで何番目か
rooted_tree(Tree* Tr_,int r=0):Tr(Tr_),root(r),par(Tr->n),dep(Tr->n),vs(Tr->n),pre_order(Tr->n,-1){ dfs(mp(r,-1),-1,0,0); }
rooted_tree(){}
int dfs(pair<int,int> e, int p,int d,int k){
if(pre_order[e.fr]!=-1)return k;
par[e.fr]=mp(p,e.sc);
dep[e.fr]=d;
vs[k]=e.fr;
pre_order[e.fr]=k++;
for(auto ed: Tr->G[e.fr])k=dfs(ed,e.fr,d+1,k);
return k;
}
};
template<class T> vector<T> dist_on_tree(const Tree &Tr, int s){
vector<T> dist(Tr.n,-1);
queue<int> que;
dist[s]=0;
que.push(s);
while(!que.empty()){
int v=que.front(); que.pop();
for(auto ed: Tr.G[v]){
if(dist[ed.fr]!=-1)continue;
dist[ed.fr]=dist[v]+1;
que.push(ed.fr);
}
}
return dist;
}
int main(){
int n,k;
scanf("%d%d",&n,&k);
Tree Tr(n);
for(int i=0;i<n-1;i++){
int u,v;
scanf("%d%d",&u,&v); u--; v--;
Tr.add_edge(u,v);
Tr.add_edge(v,u);
}
rooted_tree rt(&Tr);
vector<pair<int,int>> vs;
for(int i=0;i<Tr.n;i++)vs.push_back(mp(rt.dep[i],i));
sort(vs.begin(),vs.end(),greater<pair<int,int>>());
int l=0,r=n-1;
while(l<r){
int m=(l+r)/2;
bool ok=false;
if(m<=800){
static int d[200010];
fill(d,d+n,-1);
int cnt=0;
for(auto p: vs){
int v=p.sc;
bool used=false;
pair<int,int> loc(v,0);
do{
if(d[loc.fr]>=loc.sc){
used=true;
break;
}
loc.fr=rt.par[loc.fr].fr;
loc.sc++;
}while(loc.fr!=-1&&loc.sc<=m);
if(!used){
for(int i=0;i<m&&v!=-1;i++)v=rt.par[v].fr;
if(v==-1)v=0;
cnt++; if(cnt>k)break;
loc=mp(v,0);
do{
d[loc.fr]=m-loc.sc;
loc.fr=rt.par[loc.fr].fr;
loc.sc++;
}while(loc.fr!=-1&&loc.sc<=m);
}
}
ok=cnt<=k;
}
else {
static bool used[200010];
fill(used,used+n,false);
int cnt=0;
for(auto p: vs){
int v=p.sc;
if(!used[v]){
for(int i=0;i<m&&v!=-1;i++)v=rt.par[v].fr;
if(v==-1)v=0;
cnt++; if(cnt>k)break;
auto d=dist_on_tree<int>(Tr,v);
for(int i=0;i<n;i++)if(d[i]<=m)used[i]=true;
}
}
ok=cnt<=k;
}
if(ok)r=m;
else l=m+1;
}
cout<<l<<endl;
}
|
#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define rep(i, n) for(ll i = 0; i < n; ++i)
#define rep2(i, a, b) for(ll i = a; i <= b; ++i)
#define rep3(i, a, b) for(ll i = a; i >= b; --i)
#define eb emplace_back
#define pb push_back
#define all(c) (c).begin(), (c).end()
#define vi vector<int>
#define N 100100
#define MOD 1000000007 //998244353
#define pii pair<int,int>
#define pll pair<ll,ll>
int main() {
ll n;
vector<ll>a;
vector<ll>b;
ll x, y, z;
ll l[N];
ll r[N];
bool v;
ll s, ans;
cin >> n >> x;
a.pb(0);
rep(i, n) {
cin >> y;
a.pb(y);
}
a.pb(x + 1);
b.pb(0);
rep(i, n) {
cin >> y;
b.pb(y);
}
b.pb(x + 1);
x = 0;
n += 2;
rep(i, n) {
l[i] = -1;
r[i] = -1;
}
rep(i, n) {
while (true) {
if (x >= i) {
if (a[x] + (i - x) < b[i])x++;
else break;
}
else {
if (a[x + 1] + (i - x - 1) > b[i])break;
else x++;
}
}
if (a[x] + (i - x) != b[i]) {
cout << -1 << endl;
return 0;
}
if (l[x] == -1)l[x] = i;
r[x] = i;
}
ans = 0;
rep(i,n) {
if (l[i] >= 0) {
if (l[i] < i) {
ans += (i - l[i]);
}
if (r[i] > i) {
ans += (r[i] - i);
}
}
}
cout << ans << endl;
return 0;
}
| #include <bits/stdc++.h>
#define FASTIO
using namespace std;
using ll = long long;
using Vi = std::vector<int>;
using Vl = std::vector<ll>;
using Pii = std::pair<int, int>;
using Pll = std::pair<ll, ll>;
constexpr int I_INF = std::numeric_limits<int>::max();
constexpr ll L_INF = std::numeric_limits<ll>::max();
template <typename T1, typename T2>
inline bool chmin(T1& a, const T2& b) {
if (a > b) {
a = b;
return true;
}
return false;
}
template <typename T1, typename T2>
inline bool chmax(T1& a, const T2& b) {
if (a < b) {
a = b;
return true;
}
return false;
}
class Prints {
private:
class __Prints {
public:
__Prints(const char* sep, const char* term) : sep(sep), term(term) {}
template <class... Args>
void operator()(const Args&... args) const { print(args...); }
template <typename T>
void pvec(const T& vec, size_t sz) const {
for (size_t i = 0; i < sz; i++)
std::cout << vec[i] << (i == sz - 1 ? term : sep);
}
template <typename T>
void pmat(const T& mat, size_t h, size_t w) {
for (size_t i = 0; i < h; i++)
for (size_t j = 0; j < w; j++)
std::cout << mat[i][j] << (j == w - 1 ? term : sep);
}
private:
const char *sep, *term;
void print() const { std::cout << term; }
void print_rest() const { std::cout << term; }
template <class T, class... Tail>
void print(const T& head, const Tail&... tail) const { std::cout << head, print_rest(tail...); }
template <class T, class... Tail>
void print_rest(const T& head, const Tail&... tail) const { std::cout << sep << head, print_rest(tail...); }
};
public:
Prints() {}
__Prints operator()(const char* sep = " ", const char* term = "\n") const { return __Prints(sep, term); }
};
Prints prints;
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
void solve() {
ll N, L;
cin >> N >> L;
Vl A(N + 2), B(N + 2);
for (ll i = 1; i <= N; i++) {
cin >> A[i];
A[i] -= i;
}
for (ll i = 1; i <= N; i++) {
cin >> B[i];
B[i] -= i;
}
A[N + 1] = B[N + 1] = (L + 1) - (N + 1);
Vl pos = B;
pos.erase(unique(pos.begin(), pos.end()), pos.end());
ll ans = 0;
for (auto p : pos) {
int idxl_a = lower_bound(A.begin(), A.end(), p) - A.begin();
int idxr_a = upper_bound(A.begin(), A.end(), p) - A.begin();
int idxl_b = lower_bound(B.begin(), B.end(), p) - B.begin();
int idxr_b = upper_bound(B.begin(), B.end(), p) - B.begin();
if (idxr_a - idxl_a == 0) {
prints()(-1);
return;
}
ans += max(idxr_b - idxr_a, 0) + max(idxl_a - idxl_b, 0);
}
prints()(ans);
}
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
int main() {
#ifdef FASTIO
std::cin.tie(nullptr), std::cout.tie(nullptr);
std::ios::sync_with_stdio(false);
#endif
#ifdef FILEINPUT
std::ifstream ifs("./in_out/input.txt");
std::cin.rdbuf(ifs.rdbuf());
#endif
#ifdef FILEOUTPUT
std::ofstream ofs("./in_out/output.txt");
std::cout.rdbuf(ofs.rdbuf());
#endif
std::cout << std::setprecision(18) << std::fixed;
solve();
std::cout << std::flush;
return 0;
} |
/*
author: Maksim1744
created: 10.04.2021 15:15:03
*/
#include "bits/stdc++.h"
using namespace std;
#define ll long long
#define ld long double
#define mp make_pair
#define pb push_back
#define eb emplace_back
#define sum(a) ( accumulate ((a).begin(), (a).end(), 0ll))
#define mine(a) (*min_element((a).begin(), (a).end()))
#define maxe(a) (*max_element((a).begin(), (a).end()))
#define mini(a) ( min_element((a).begin(), (a).end()) - (a).begin())
#define maxi(a) ( max_element((a).begin(), (a).end()) - (a).begin())
#define lowb(a, x) ( lower_bound((a).begin(), (a).end(), (x)) - (a).begin())
#define uppb(a, x) ( upper_bound((a).begin(), (a).end(), (x)) - (a).begin())
template<typename T> vector<T>& operator-- (vector<T>& v){for (auto& i : v) --i; return v;}
template<typename T> vector<T>& operator++ (vector<T>& v){for (auto& i : v) ++i; return v;}
template<typename T> istream& operator>>(istream& is, vector<T>& v){for (auto& i : v) is >> i; return is;}
template<typename T> ostream& operator<<(ostream& os, vector<T>& v){for (auto& i : v) os << i << ' '; return os;}
template<typename T, typename U> pair<T,U>& operator-- (pair<T, U> &p){--p.first; --p.second; return p;}
template<typename T, typename U> pair<T,U>& operator++ (pair<T, U> &p){++p.first; ++p.second; return p;}
template<typename T, typename U> istream& operator>>(istream& is, pair<T, U>& p){is >> p.first >> p.second; return is;}
template<typename T, typename U> ostream& operator<<(ostream& os, pair<T, U>& p){os << p.first << ' ' << p.second; return os;}
template<typename T, typename U> pair<T,U> operator-(pair<T,U> a, pair<T,U> b){return mp(a.first-b.first, a.second-b.second);}
template<typename T, typename U> pair<T,U> operator+(pair<T,U> a, pair<T,U> b){return mp(a.first+b.first, a.second+b.second);}
template<typename T, typename U> void umin(T& a, U b){if (a > b) a = b;}
template<typename T, typename U> void umax(T& a, U b){if (a < b) a = b;}
#ifdef HOME
#define SHOW_COLORS
#include "C:/C++ libs/print.cpp"
#else
#define show(...) 42
#define mclock 42
#define shows 42
#define debug if (false)
#endif
int main() {
ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
int n;
cin >> n;
vector<int> v(n * 2);
cin >> v;
vector<int> a(n), b(n);
for (int i = 0; i < n; ++i) {
a[i] = v[n - 1 - i];
b[i] = v[n + i];
}
set<pair<int, int>> cur;
ll ans = 0;
reverse(a.begin(), a.end());
reverse(b.begin(), b.end());
for (int i = 0; i < n; ++i) {
cur.emplace(a[i], i);
cur.emplace(b[i], i + n);
ans += cur.rbegin()->first;
cur.erase(--cur.end());
}
cout << ans << '\n';
return 0;
}
| #line 1 "main.cpp"
/**
* @title Template
*/
#include <iostream>
#include <algorithm>
#include <utility>
#include <numeric>
#include <vector>
#include <array>
#include <cassert>
#line 2 "/Users/kodamankod/Desktop/cpp_programming/Library/other/chmin_chmax.cpp"
template <class T, class U>
constexpr bool chmin(T &lhs, const U &rhs) {
if (lhs > rhs) { lhs = rhs; return true; }
return false;
}
template <class T, class U>
constexpr bool chmax(T &lhs, const U &rhs) {
if (lhs < rhs) { lhs = rhs; return true; }
return false;
}
/**
* @title Chmin/Chmax
*/
#line 2 "/Users/kodamankod/Desktop/cpp_programming/Library/other/range.cpp"
#line 4 "/Users/kodamankod/Desktop/cpp_programming/Library/other/range.cpp"
class range {
public:
class iterator {
private:
int64_t M_position;
public:
constexpr iterator(int64_t position) noexcept: M_position(position) { }
constexpr void operator ++ () noexcept { ++M_position; }
constexpr bool operator != (iterator other) const noexcept { return M_position != other.M_position; }
constexpr int64_t operator * () const noexcept { return M_position; }
};
class reverse_iterator {
private:
int64_t M_position;
public:
constexpr reverse_iterator(int64_t position) noexcept: M_position(position) { }
constexpr void operator ++ () noexcept { --M_position; }
constexpr bool operator != (reverse_iterator other) const noexcept { return M_position != other.M_position; }
constexpr int64_t operator * () const noexcept { return M_position; }
};
private:
const iterator M_first, M_last;
public:
constexpr range(int64_t first, int64_t last) noexcept: M_first(first), M_last(std::max(first, last)) { }
constexpr iterator begin() const noexcept { return M_first; }
constexpr iterator end() const noexcept { return M_last; }
constexpr reverse_iterator rbegin() const noexcept { return reverse_iterator(*M_last - 1); }
constexpr reverse_iterator rend() const noexcept { return reverse_iterator(*M_first - 1); }
};
/**
* @title Range
*/
#line 16 "main.cpp"
using i32 = std::int32_t;
using i64 = std::int64_t;
using u32 = std::uint32_t;
using u64 = std::uint64_t;
using isize = std::ptrdiff_t;
using usize = std::size_t;
constexpr i32 inf32 = (i32(1) << 30) - 1;
constexpr i64 inf64 = (i64(1) << 62) - 1;
int main() {
isize N, M;
std::cin >> N >> M;
if (M < 0) {
std::cout << "-1\n";
return 0;
}
if (N == 1) {
if (M == 0) {
std::cout << "1 2\n";
}
else {
std::cout << "-1\n";
}
return 0;
}
if (M >= N - 1) {
std::cout << "-1\n";
return 0;
}
std::vector<std::pair<i32, i32>> ans;
ans.emplace_back(1, 1000000);
for (auto i: range(0, M + 1)) {
ans.emplace_back(2 * i + 2, 2 * i + 3);
}
for (auto i: range(0, N - M - 2)) {
ans.emplace_back(1000000 + 2 * i + 1, 1000000 + 2 * i + 2);
}
for (auto [x, y]: ans) {
std::cout << x << ' ' << y << '\n';
}
return 0;
}
|
#include <iostream>
#include <vector>
#include <queue>
#include <stack>
#include <map>
#include <algorithm>
#include <bitset>
#include <string>
#include <cstdio>
#include <cmath>
#include <climits>
#include <fstream>
using namespace std;
const long long INF = LLONG_MAX;
const long long MOD = 1000000007;
typedef pair<int, int> pii;
typedef pair<long long, long long> pll;
ostream& operator<<(ostream& os, vector<vector<char>> v)
{
for (int y = 0; y < v.size(); y++)
{
for (int x = 0; x < v[y].size(); x++)
{
os << v[y][x];
}
os << endl;
}
return os;
}
class UnionFind
{
private:
vector<int> parent;
public:
UnionFind(int N)
{
parent.resize(N);
for (int i = 0; i < N; ++i)
{
parent[i] = i;
}
}
int root(int x)
{
if (parent[x] == x) return x;
return parent[x] = root(parent[x]);
}
void unite(int x, int y)
{
int rx = root(x);
int ry = root(y);
if (rx == ry) return;
parent[rx] = ry;
}
bool same(int x, int y)
{
int rx = root(x);
int ry = root(y);
return rx == ry;
}
};
long long comb2(long long n)
{
return n * (n-1) / 2;
}
int main(void)
{
int n;
cin >> n;
vector<pll> a(n);
vector<long long> sum(n+1, 0);
for (int i = 0; i < n; ++i)
{
cin >> a[i].first;
a[i].first %= 200;
a[i].second = i + 1;
}
sort(a.begin(), a.end());
for (int i = 0; i < n; ++i)
{
sum[i+1] = sum[i] + a[i].first;
}
vector<vector<pii>> v(200);
for (int left = 0; left < n; ++left)
{
for (int right = left + 1; right <= n; ++right)
{
long long s = sum[right] - sum[left];
long long mod = s % 200;
v[mod].emplace_back(left, right);
}
}
for (int mod = 0; mod < 200; ++mod)
{
if (v[mod].size() > 1)
{
cout << "Yes" << endl;
for (int i = 0; i < 2; ++i)
{
cout << v[mod][i].second - v[mod][i].first;
vector<int> index;
for (int j = v[mod][i].first; j < v[mod][i].second; ++j)
{
index.push_back(a[j].second);
}
sort(index.begin(), index.end());
for (int i : index)
{
cout << ' ' << i;
}
cout << endl;
}
return 0;
}
}
cout << "No" << endl;
} | #include <bits/stdc++.h>
#include <cmath>
#include <unordered_set>
using namespace std;
using ll = long long;
using vi = vector<int>;
const int MOD = 1000000007;
int main() {
int n;
cin >> n;
vector<ll> A(n);
for(int i = 0; i < n; i++){
ll a;
cin >> a;
A.at(i) = a;
}
sort(A.begin(), A.end());
reverse(A.begin(), A.end());
ll ans = 1;
for(int i = 0; i < n-1; i++){
ans *= A.at(i) - A.at(i+1) + 1;
ans %= MOD;
}
ans *= A.at(n-1) + 1;
ans %= MOD;
cout << ans << endl;
} |
#include<bits/stdc++.h>
#define ll long long
using namespace std;
//memset(dp, 0, sizeof(dp));
void work(int T) {
int n;
cin >> n;
vector<int> a(n);
for(int i = 0; i < n; i++) {
string s;
cin >> s;
if(s == "AND") {
a[i] = 1;
} else {
a[i] = 0;
}
}
vector<vector<ll>> dp(n + 1, vector<ll>(2));
dp[0][0] = dp[0][1] = 1;
for(int i = 1; i <= n; i++) {
if(a[i - 1]) {
dp[i][0] = dp[i - 1][0] + dp[i - 1][1] + dp[i - 1][0];
dp[i][1] = dp[i - 1][1];
} else {
dp[i][0] = dp[i - 1][0];
dp[i][1] = dp[i - 1][1] + dp[i - 1][0] + dp[i - 1][1];
}
}
cout << dp[n][1] << endl;
}
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout.precision(10);
cout << fixed;
// int t;
// for(cin >> t; t > 0; t--) {
// work(t);
// }
work(0);
return 0;
}; | #include<bits/stdc++.h>
#define rep(a,b,c) for(register int a=(b);a<=(c);++a)
#define dow(a,b,c) for(register int a=(b);a>=(c);--a)
using namespace std;
const int MaxN=1000000+5;
int lef[MaxN],rig[MaxN];
bool usd[MaxN];
int main()
{
register int n;
scanf("%d",&n);
register int pos,typ;
rep(i,1,n)
{
scanf("%d%d",&pos,&typ);
if(!usd[typ])
{
usd[typ]=true;
lef[typ]=rig[typ]=pos;
continue;
}
lef[typ]=min(lef[typ],pos);
rig[typ]=max(rig[typ],pos);
}
usd[n+1]=true;
register long long dpB=0,dpE=0,_dpB=0,_dpE=0,Answer;
register int Last=0;
rep(i,1,n+1)
{
if(!usd[typ=i])
continue;
_dpB=dpB,_dpE=dpE;
dpB=(rig[typ]-lef[typ])+min(_dpB+abs(rig[typ]-lef[Last]),_dpE+abs(rig[typ]-rig[Last]));
dpE=(rig[typ]-lef[typ])+min(_dpB+abs(lef[typ]-lef[Last]),_dpE+abs(lef[typ]-rig[Last]));
Last=typ;
}
printf("%lld\n",Answer=min(dpB,dpE));
return 0;
} |
#include<bits/stdc++.h>
using namespace std;
//#define int long long
#define REP(i,m,n) for(int i=(m);i<(n);i++)
#define rep(i,n) REP(i,0,n)
#define pb push_back
#define all(a) a.begin(),a.end()
#define rall(c) (c).rbegin(),(c).rend()
#define mp make_pair
#define endl '\n'
#define vec vector<ll>
#define mat vector<vector<ll> >
#define fi first
#define se second
#define double long double
typedef long long ll;
typedef unsigned long long ull;
typedef pair<ll,ll> pll;
//typedef long double ld;
typedef complex<double> Complex;
const ll INF=1e9+7;
const ll MOD=INF;
const ll inf=INF*INF;
const ll mod=MOD;
const ll MAX=100010;
signed main(){
ll n;cin>>n;
double d,h;cin>>d>>h;
double ans=0;
rep(i,n){
double a,b;cin>>a>>b;
ans=max(ans,h-(h-b)*d/(d-a));
}
cout<<fixed<<setprecision(10)<<ans<<endl;
} | #include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int (i)=0;(i)<(n);(i)++)
#define rep3(i,m,n) for(int (i)=m;(i)<=(n);(i)++)
#define rep3rev(i,m,n) for(int (i)=m;(i)>=(n);(i)--)
#define all(a) (a.begin()),(a.end())
#define rall(a) (a.rbegin()),(a.rend())
#define fi first
#define se second
#define pb push_back
#define eb emplace_back
using ll = long long;
using vll = vector<ll>;
using vi = vector<int>;
using vvi = vector<vector<int>>;
using P = pair<int, int>;
using LD = long double;
template <typename T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; }
template <typename T> bool chmin(T &a, const T &b) { if (a > b) { a = b; return true; } return false; }
void yes(bool ok = true){ cout << (ok ? "yes" : "no") << endl; }
void Yes(bool ok = true){ cout << (ok ? "Yes" : "No") << endl; }
void YES(bool ok = true){ cout << (ok ? "YES" : "NO") << endl; }
LD memo[105][105][105];
LD dfs(int a, int b, int c){
if(memo[a][b][c] != 0) return memo[a][b][c];
if(a == 100 || b == 100 || c == 100) return memo[a][b][c] = 0;
LD sum = a + b + c;
return memo[a][b][c] = a * (dfs(a+1, b, c)+1) / sum + b * (dfs(a, b+1, c)+1) / sum + c * (dfs(a, b, c+1)+1) / sum;
}
void Main(){
int a, b, c; cin >> a >> b >> c;
cout << dfs(a, b, c) << endl;
return;
}
int main(){
cin.tie(nullptr);
ios_base::sync_with_stdio(false);
cout << fixed << setprecision(15);
Main();
return 0;
} |
#include <bits/stdc++.h>
using namespace std;
//begin of def
#define fastio ios_base::sync_with_stdio(false);cin.tie(0)
#define endl '\n'
using lli = long long int;
using ulli = unsigned long long int;
using Ld = long double;
using pii = pair<int, int>;
using pll = pair<lli, lli>;
using pld = pair<Ld, Ld>;
#define X first
#define Y second
#define rep(I, S, E) for(int I = (S); I < (E); I++)
#define repq(I, S, E) for(int I = (S); I <= (E); I++)
#define pb push_back
#define epb emplace_back
#define ALL(P) P.begin(), P.end()
//end of def
const lli MOD = 1e9 + 7;
int main(){
fastio;
int n;
cin >> n;
vector<lli> v(n);
rep(i, 0, n)
cin >> v[i];
v.pb(0);
sort(ALL(v));
v.erase(unique(ALL(v)), v.end());
n = v.size();
lli res = 1;
rep(i, 1, n){
res = (res * (v[i] - v[i - 1] + 1)) % MOD;
}
cout << res;
return 0;
}
| #include <bits/stdc++.h>
using namespace std;
#define int long long int
#define rep(i, n) for(int i = 0; i < (int) n; i++)
#define repd(i, n) for(int i = (int) (n - 1); i >= 0; i--)
#define FOR(i, a, b) for(int i = a; i <= (int) b; i++)
#define FORD(i, a, b) for(int i = a; i >= (int) b; i--)
template <typename T>
void load(int n, vector<T> &v) {
rep(i, n) {
T a;
cin >> a;
v.push_back(a);
}
}
signed main() {
int k;
cin >> k;
/*
* AとBのペアを考えれば,Cは floor(k/AB) 個の候補が存在する.
* よって以下のコードを書くことができる.
*/
/*
int count = 0;
for (int a = 1; a <= k; a++) {
for (int b = 1; b <= k; b++) {
count += floor((double) k / ((double) a * (double) b));
}
}
cout << count << endl;
*/
/*
* これで正解は出るが,計算量はO(N^2)であるから,間に合わない.
* ここから改良する.まず,a * b > kの時点で組み合わせは無いので答えにはなり得ない.
* よって,以下のコードを得る
*/
int count = 0;
for (int a = 1; a <= k; a++) {
for (int b = 1; a * b <= k; b++) {
count += floor((double) k / ((double) a * (double) b));
}
}
cout << count << endl;
/*
* この計算量について考えてみよう.
* aが1からkまで動くとき,bは1からk / aまで動く.
* よって,計算量は, Sum(a=1->k)[k / a] = k * Sum(a=1->k)[1 / a] を考えることにより,
* O(klog(k))である.よって十分高速に動作する.
* ※ 1 + 1/2 + 1/3 + ... 1/n < log(n) は面積評価することにより証明できる.
*/
} |
#include <algorithm>
#include <bitset>
#include <cassert>
#include <cmath>
#include <iostream>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <string>
#include <vector>
// Acknowledgement: Special thanks to kyomukyomupurin, who developed this
// template.
template <class T, class U>
std::ostream& operator<<(std::ostream& os, const std::pair<T, U>& p) {
return os << '(' << p.first << ", " << p.second << ')';
}
template <class T>
std::ostream& operator<<(std::ostream& os, const std::vector<T>& vec) {
int n = 0;
for (auto e : vec) os << (n++ ? ", " : "{") << e;
return os << (n ? "}" : "{}");
}
template <class T>
std::ostream& operator<<(std::ostream& os, const std::set<T>& st) {
int n = 0;
for (auto e : st) os << (n++ ? ", " : "{") << e;
return os << (n ? "}" : "{}");
}
template <class T, class U>
std::ostream& operator<<(std::ostream& os, const std::map<T, U>& mp) {
int n = 0;
for (auto e : mp) os << (n++ ? ", " : "{") << e;
return os << (n ? "}" : "{}");
}
template <class T>
std::istream& operator>>(std::istream& is, std::vector<T>& vec) {
for (T& e : vec) is >> e;
return is;
}
#ifdef LOCAL
#define debug(...) \
std::cerr << "[" << #__VA_ARGS__ << "]: ", debug_out(__VA_ARGS__)
#else
#define debug(...)
#endif
void debug_out() { std::cerr << '\n'; }
template <class Head, class... Tail>
void debug_out(Head&& head, Tail&&... tail) {
std::cerr << head;
if (sizeof...(Tail) != 0) std::cerr << ", ";
debug_out(std::forward<Tail>(tail)...);
}
using namespace std;
using int64 = long long;
int main() {
string s;
cin >> s;
vector<int> v(10);
int sz = s.size();
for (int i = 0; i < sz; i++) {
int idx = s[i] - '0';
v[idx]++;
}
debug(v);
if (sz == 1) {
if (s == "8")
cout << "Yes" << endl;
else
cout << "No" << endl;
return 0;
}
vector<string> vs = {"16", "61", "24", "42", "32", "23", "48", "84", "56",
"65", "64", "46", "72", "27", "88", "96", "69"};
if (sz == 2) {
for (auto a : vs) {
if (a == s) {
cout << "Yes" << endl;
return 0;
}
}
cout << "No" << endl;
return 0;
}
for (int i = 104; i < 1000; i += 8) {
bool break_flag = false;
vector<int> v_tmp = v;
string tmp = to_string(i);
debug(tmp);
for (int j = 0; j < 3; j++) {
if (v_tmp[tmp[j] - '0'] <= 0) {
break_flag = true;
break;
}
v_tmp[tmp[j] - '0']--;
}
debug(v_tmp);
if (!break_flag) {
cout << "Yes" << endl;
return 0;
}
}
cout << "No" << endl;
return 0;
} | #include<bits/stdc++.h>
#define ll long long int
#define ld long double
#define pb push_back
#define pf push_front
#define ppb pop_back
#define ppf pop_front
#define sz size()
#define pi acos(-1.0)
#define maxe *max_element
#define mine *min_element
#define F first
#define S second
#define C continue
#define G goto done
#define mem(a,b) memset(a,b,sizeof(a))
#define all(a) (a).begin(),(a).end()
#define gcd(a,b) __gcd(a,b)
#define lcm(a,b) ((a)*((b)/gcd(a,b)))
#define point(a) fixed<<setprecision(a)
#define get(a) for(auto &x:a) cin>>x
#define print(a) for(auto x:a) cout<<x<<" "; cout<<endl
#define see(x) cout<<#x<<" = "<<x<<endl
#define uniq(a) sort(all(a)); (a).erase(unique((a).begin(),(a).end()),(a).end())
#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0)
#define tc int test; cin>>test; while(test--)
using namespace std;
int main()
{
string s; cin>>s;
if(s.sz==1)
{
if(s=="8") cout<<"Yes";
else cout<<"No";
return 0;
}
set<ll>two, three;
for(ll i=10;i<=99;i++) if(i%8==0) two.insert(i);
for(ll i=100;i<=999;i++) if(i%8==0) three.insert(i);
if(s.sz==2)
{
for(auto i:two)
{
string k=s;
reverse(all(k));
ll a,b;
a=stoi(s);
b=stoi(k);
if(a%8==0 || b%8==0)
{
cout<<"Yes"; return 0;
}
}
cout<<"No"; return 0;
}
//for(auto i:three) cout<<i<<" "; cout<<endl;
for(auto i:three)
{
string now=to_string(i);
string k=s;
ll f=0;
//see(now);
for(ll i=0;i<now.sz;i++)
{
for(ll j=0;j<k.sz;j++)
{
if(now[i]==k[j])
{
//cout<<k<<" ";
k[j]='X'; f++; break;
//cout<<k<<endl<<endl;
}
}
}
if(f==3)
{
cout<<"Yes"; return 0;
}
}
cout<<"No"; return 0;
}
|
#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
int main()
{
// ios::sync_with_stdio(false);
// cin.tie(NULL);
ll i,j,k,l,m,n,t;
char s,c;
cin >> s;
cin >> c;
if(s == 'Y')
cout << (char)toupper(c) << '\n';
else
cout << c << '\n';
} | #include<bits/stdc++.h>
using namespace std;
typedef unsigned long long ll;
#define fi first
#define se second
#define endl '\n'
#define sf(n) scanf("%d",&n);
#define pf(n) printf("%d\n",n);
#define fast_io ios_base::sync_with_stdio(0); cin.tie(0)
int main()
{
fast_io;
char v1,v2,v3;
cin >> v1 >> v2 >> v3;
if(v1==v2 && v2==v3){
cout << "Won" << endl;
}
else{
cout << "Lost" << endl;
}
return 0;
}
|
#include<bits/stdc++.h>
#define rep(i, n) for (int i = 0, length = n; i < length; i++)
#define fi first
#define se second
#define lb lower_bound
#define ub upper_bound
#define ep emplace
#define epb emplace_back
#define scll static_cast<long long>
#define sz(x) static_cast<int>((x).size())
#define pfll(x) printf("%lld\n", x)
#define ci(x) cin >> x
#define ci2(x, y) cin >> x >> y
#define ci3(x, y, z) cin >> x >> y >> z
#define ci4(w, x, y, z) cin >> w >> x >> y >> z
#define co(x) cout << x << endl
#define co2(x, y) cout << x << " " << y << endl
#define co3(x, y, z) cout << x << " " << y << " " << z << endl
using namespace std;
typedef long long ll;
typedef pair<int, int> P;
typedef priority_queue<int> PQ;
typedef priority_queue<int, vector<int>, greater<int>> PQG;
typedef priority_queue<P> PQP;
typedef priority_queue<P, vector<P>, greater<P>> PQPG;
const int MAX_N = 2e5, MOD = 1e9 + 7, INF = 1e9;
int n, a[100], b[100], c[100], d[100];
int sq(int x, int y) {
return x * x + y * y;
}
bool comp(const P& p1, const P& p2) {
if (p1.fi >= 0 && p2.fi < 0) return true;
if (p1.fi < 0 && p2.fi >= 0) return false;
if (p1.fi == 0 && p2.fi == 0) {
if (p1.se > 0 && p2.se < 0) return true;
if (p1.se < 0 && p2.se > 0) return false;
return abs(p1.se) < abs(p2.se);
}
if (p2.fi * p1.se == p1.fi * p2.se)
return sq(p1.fi, p1.se) < sq(p2.fi, p2.se);
return p2.fi * p1.se < p1.fi * p2.se;
}
bool judge(vector<P> &x, vector<P> &y) {
rep(i, n) {
bool tmp = true;
rep(j, n) if (sq(x[j].fi, x[j].se) !=
sq(y[(j + i) % n].fi, y[(j + i) % n].se) ||
sq(x[(j + 1) % n].fi - x[j].fi, x[(j + 1) % n].se - x[j].se) !=
sq(y[(j + i + 1) % n].fi - y[(j + i) % n].fi,
y[(j + i + 1) % n].se - y[(j + i) % n].se)) {
tmp = false;
break;
}
if (tmp) return true;
}
return false;
}
int main() {
ci(n);
rep(i, n) ci2(a[i], b[i]);
rep(i, n) ci2(c[i], d[i]);
if (n < 2) {
co("Yes");
return 0;
}
vector<P> u[n], v[n];
rep(i, n) {
rep(j, n) {
if (j == i) continue;
u[i].epb(a[j] - a[i], b[j] - b[i]);
v[i].epb(c[j] - c[i], d[j] - d[i]);
}
sort(u[i].begin(), u[i].end(), comp);
sort(v[i].begin(), v[i].end(), comp);
}
bool ans = false;
rep(i, n) rep(j, n) ans |= judge(u[i], v[j]);
if (n == 3 &&
sq(u[0][0].fi, u[0][0].se) != sq(u[0][1].fi, u[0][1].se) &&
sq(u[1][0].fi, u[1][0].se) != sq(u[1][1].fi, u[1][1].se) &&
sq(u[2][0].fi, u[2][0].se) != sq(u[2][1].fi, u[2][1].se)) {
rep(i, 3) rep(j, 3) rep(k, 2) {
if (sq(u[i][0].fi, u[i][0].se) !=
sq(v[i][k].fi, v[i][k].se)) continue;
int t = (i + 1) % 2;
if (u[i][0].fi * u[t][0].se - u[i][0].se * u[t][0].fi !=
v[i][k].fi * v[t][k].se - v[i][k].se * v[t][k].fi) {
co("No");
return 0;
}
}
}
if (ans) co("Yes");
else co("No");
return 0;
}
| #include<bits/stdc++.h>
using namespace std;
#define LL long long
void solve() {
int n, ans = 0;
cin >> n;
vector<array<int, 2>> v(n), w(n);
for (int i=0;i<n;++i) {
cin >> v[i][0] >> v[i][1];
}
for (int i=0;i<n;++i) {
cin >> w[i][0] >> w[i][1];
}
if (n == 1) {
cout << "Yes\n";
return;
}
auto dist = [](array<int, 2> a, array<int, 2> b) {
LL x = a[0] - b[0], y = a[1] - b[1];
return x * x + y * y;
};
for (int i=0;i<n;++i) {
for (int j=0;j<n;++j) if (j != i) {
// v[0] maps to w[i]
// v[1] maps to w[j]
LL r1 = dist(v[0], v[1]), r2 = dist(w[i], w[j]);
if (r1 != r2) continue;
// cout << i << " " << j << " match\n";
LL av = v[1][0] - v[0][0], bv = v[1][1] - v[0][1], aw = w[j][0] - w[i][0], bw = w[j][1] - w[i][1];
vector<array<LL, 2>> vv, ww;
for (auto p : v) {
p[0] -= v[0][0];
p[1] -= v[0][1];
vv.push_back({av * p[0] + bv * p[1], av * p[1] - bv * p[0]});
}
for (auto p : w) {
p[0] -= w[i][0];
p[1] -= w[i][1];
ww.push_back({aw * p[0] + bw * p[1], aw * p[1] - bw * p[0]});
}
sort(vv.begin(), vv.end());
sort(ww.begin(), ww.end());
if (vv == ww) {
cout << "Yes\n";
return;
}
// for (auto p : vv) cout << p[0] << "," << p[1] << " "; cout << '\n';
// for (auto p : ww) cout << p[0] << "," << p[1] << " "; cout << '\n';
}
}
cout << "No\n";
}
int main() {
ios_base::sync_with_stdio(false); cin.tie(NULL);
int t = 1;
while (t--) {
solve();
}
return 0;
}
|
#include <bits/stdc++.h>
using namespace std;
#define FI freopen("../in", "r", stdin)
#define FO freopen("../out", "w", stdout)
#define X first
#define Y second
template<typename A, typename B> ostream& operator<<(ostream &os, const pair<A, B> &p) { return os << '(' << p.first << ", " << p.second << ')'; }
template<typename T_container, typename T = typename enable_if<!is_same<T_container, string>::value, typename T_container::value_type>::type> ostream& operator<<(ostream &os, const T_container &v) { os << '{'; string sep; for (const T &x : v) os << sep << x, sep = ", "; return os << '}'; }
void dbg_out() { cerr << endl; }
template<typename Head, typename... Tail> void dbg_out(Head H, Tail... T) { cerr << ' ' << H; dbg_out(T...); }
#ifdef EDBUG
#define dbg(...) cerr << "(" << #__VA_ARGS__ << "):", dbg_out(__VA_ARGS__)
#else
#define dbg(...)
#endif
typedef long long ll;
typedef pair<int, int> ii;
void solve() {
int n;
cin >> n;
int ans = 0;
while (n --) {
int x;
cin >> x;
ans += max(0, x - 10);
}
cout << ans;
}
int main() {
ios::sync_with_stdio(false);
#ifndef EDBUG
cin.tie(nullptr);
#endif
#ifdef QUICKRUN
FI;
// FO;
#endif
solve();
return 0;
}
| #include <iostream>
#include <algorithm>
#include <bits/stdc++.h>
#define FAST ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define ll long long
#define mm(arr) memset(arr, 0, sizeof(arr))
#define scanArray(a,n) for(int i = 0; i < n; i++){cin >> a[i];}
#define pb push_back
#define PI 3.141592653589793
#define MOD 1000000007
#include <cctype>
#include <cstring>
#include <cstdio>
using namespace std;
int main() {
int a,b,c;
char d;
string e,f;
cin >>a;
if (a>=0){
cout <<a;
}
else cout <<0;
return 0;
}
|
/** I can do this all day **/
#pragma GCC optimize("O2")
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
#define all(x) (x).begin(),(x).end()
#define F first
#define S second
#define Mp make_pair
#define SZ(x) (int)x.size()
#define fast_io ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define file_io freopen("in.txt" , "r+" , stdin) ; freopen("out.txt" , "w+" , stdout);
const int N = 1e6 + 10;
const ll mod = 1e9 + 7;
const ll mod2 = 998244353;
const ll inf = 8e18;
const int LOG = 22;
ll pw(ll a , ll b, ll M) { return (!b ? 1 : (b & 1 ? (a * pw(a * a % M, b / 2, M)) % M : pw(a * a % M, b / 2, M))); }
int n, A[N];
int main()
{
scanf("%d", &n);
A[1] = 6;
A[2] = 10;
A[3] = 15;
int ptr = 16;
for(int i = 4; i <= n; i ++)
{
int ok = 0;
while(!ok)
{
ok = 1;
for(int j = 1; j < i; j ++)
{
if(__gcd(ptr, A[j]) == 1)
{
ok = 0;
break;
}
}
if(!ok)
{
ptr ++;
}
}
A[i] = ptr;
ptr ++;
}
for(int i = 1; i <= n; i ++)
{
printf("%d ", A[i]);
}
return 0;
}
/** test corner cases(n = 1?) watch for overflow or minus indices **/
| #include<bits/stdc++.h>
using namespace std;
#define ll long long int
#define ull unsigned long long int
/**********************************************/
bool rec(set<char> s, map<char, vector<pair<int, int>>>& mp, vector<string>& num) {
if (mp.empty()) {
for (int i = 0; i < 3; i++) {
if (num[i][0] == '0') return false;
}
ll a = stoll(num[0]);
ll b = stoll(num[1]);
ll c = stoll(num[2]);
if (a + b == c) {
cout << a << endl;
cout << b << endl;
cout << c << endl;
return true;
} else {
return false;
}
}
char currentChar = mp.begin()->first;
auto v = mp.begin()->second;
mp.erase(currentChar);
vector<char> v1;
for (auto& x : s) v1.push_back(x);
for (auto& x : v1) {
s.erase(x);
for (auto& p : v) {
int stringIndex = p.first;
int charIndex = p.second;
num[stringIndex][charIndex] = x;
}
if (rec(s, mp, num)) return true;
s.insert(x);
}
mp[currentChar] = v;
return false;
}
void solve(vector<string>& v) {
if (v[2].size() < v[0].size() || v[2].size() < v[1].size()) {
cout << "UNSOLVABLE" << endl;
return;
}
map<char, vector<pair<int, int>>> mp;
for (int i = 0; i < 3; i++) {
for (int j = 0; j < v[i].size(); j++) {
mp[v[i][j]].push_back({i, j});
}
}
if (mp.size() > 10) {
cout << "UNSOLVABLE" << endl;
return;
}
vector<string> num(3);
for (int i = 0; i < 3; i++) {
num[i] = "";
for (int j = 0; j < v[i].size(); j++) {
num[i] += 'x';
}
}
set<char> s;
for (char i = '0'; i <= '9'; i++) s.insert(i);
if (!rec(s, mp, num)) {
cout << "UNSOLVABLE" << endl;
}
}
int main() {
#ifndef ONLINE_JUDGE
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
ios_base::sync_with_stdio(false);
cin.tie(NULL);
ll t = 1;
// cin >> t;
while (t--) {
vector<string> v(3);
for (int i = 0; i < 3; i++) {
cin >> v[i];
}
solve(v);
}
}
|
#include<iostream>
#include<iomanip>
#include<bitset>
#include<algorithm>
#include<string>
#include<vector>
#include<cstdio>
#include<cmath>
#include<queue>
#include<map>
#include<set>
using namespace std;
using ll=long long;
int main(){
int N;
string S;
cin >> N >> S;
N++;
vector<int> A(N);
for(int &x: A)cin >> x;
int dmi = 1000000;
for(int i = 1; i < N; i++){
int d = abs(A[i] - A[i - 1]);
dmi = min (dmi, d);
}
cout << dmi << endl;
for(int i = 0; i < dmi; i++){
vector<int> B(N, 0);
for(int j = 0; j < N; j++){
B[j] = A[j] / dmi;
if(dmi - i <= A[j] % dmi)B[j]++;
}
for(int j = 0; j < N; j++){
if(j < N - 1){
cout << B[j] << " ";
continue;
}
cout << B[j] << endl;
}
}
return 0;
} | /*
* author :Sadik Hassan(_sad_)
*
*/
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimization ("unroll-loops")
#include "bits/stdc++.h"
using namespace std;
using ll = long long;
using ld = long double;
#define nl "\n"
#define pb push_back
#define fi first
#define se second
#define MP make_pair
#define PI (acos(-1.0))
#define rep1(i,n) for(int i=1;i<=n;i++)
#define rep(i,n) for(int i=0;i<n;i++)
#define urep(i,n) for(int i=n-1;i>=0;i--)
#define urep1(i,n) for(int i=n;i>=1;i--)
#define SZ(s) (int)s.size()
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define w(t) int t;cin>>t;while(t--)
#define _SAD() ios::sync_with_stdio(0),cin.tie(0),cout.tie(0),cout<<fixed<<setprecision(2);
typedef vector<int> vi;
typedef vector<ll> vii;
typedef set<int> si;
typedef set<ll> sii;
/*---------------------------------------------------------------------*/
const int N = (int)1e6;
const int MOD =(int)1e9+7;
const ll INF = (ll)1e18+5;
int main()
{
_SAD()
int n,l;cin>>n>>l;
cout<<n/l<<nl;
return 0;
}
|
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#pragma GCC optimize("Ofast")
#define watch(x) cout<<(#x)<<"="<<(x)<<'\n'
#define mset(d,val) memset(d,val,sizeof(d))
#define setp(x) cout<<fixed<<setprecision(x)
#define forn(i,a,b) for(int i=(a);i<(b);i++)
#define fore(i,a,b) for(int i=(a);i<=(b);i++)
#define pb push_back
#define F first
#define S second
#define pqueue priority_queue
#define fbo find_by_order
#define ook order_of_key
typedef long long ll;
typedef pair<ll,ll> ii;
typedef vector<ll> vi;
typedef vector<ii> vii;
typedef long double ld;
template<typename T>
using pbds = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
void amin(ll &a, ll b){ a=min(a,b); }
void amax(ll &a, ll b){ a=max(a,b); }
void YES(){cout<<"YES\n";} void NO(){cout<<"NO\n";}
void SD(int t=0){ cout<<"PASSED "<<t<<endl; }
const ll INF = ll(1e18);
const int MOD = 998244353;
const bool DEBUG = 0;
const int MAXN = 100005;
int main()
{
ios_base::sync_with_stdio(0); cin.tie(0);
ll b,c; cin>>b>>c;
vii v;
v.pb({b,b-c/2}); //subtract only
v.pb({-b,-b-(c-1)/2}); //flip then subtract
v.pb({-b,-(b-(c-1)/2)}); //subtract then flip
v.pb({b,(b+(c-2)/2)}); //flip, subtract, flip
forn(i,0,v.size()) if(v[i].F>v[i].S) swap(v[i].F,v[i].S);
sort(v.begin(), v.end());
ll ans=0,l=v[0].F,r=v[0].S;
//for(ii tmp: v) cout<<tmp.F<<" "<<tmp.S<<'\n';
forn(i,1,v.size())
{
if(v[i].F>r)
{
ans+=r-l+1;
l=v[i].F, r=v[i].S;
}
else
{
r=max(r,v[i].S);
}
}
ans+=r-l+1;
cout<<ans<<'\n';
return 0;
}
| #include <bits/stdc++.h> // include every standard library
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<vi> vvi;
typedef vector<vl> vvl;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef long double ld;
typedef vector<bool> vb;
typedef vector<vb> vvb;
typedef vector<pll> vpll;
typedef vector<pii> vpii;
#define oset tree<int, null_type,less_equal<int>, rb_tree_tag,tree_order_statistics_node_update>
#define in() freopen("test.txt","r",stdin)
#define out() freopen("output.txt","w",stdout)
#define vt vector
#define pb push_back
#define eb emplace_back
#define pob pop_back
#define mk make_pair
#define fi first
#define se second
#define nl "\n"
#define MOD 1000000007
#define all(v) v.begin(),v.end()
#define s(v) v.size()
#define test ll t;cin>>t;while(t--)
#define read0(v,n) for(int i=0;i<n;i++)cin>>v[i];
#define read1(v,n) for(int i=1;i<=n;i++)cin>>v[i];
#define trav(a,x) for (auto& a: x)
#define fast ios_base::sync_with_stdio(false);cin.tie(NULL);
#define cut(x) {cout<<x;return 0;}
#define print(x) {cout<<x<<nl;}
#define FOR(i,a,b) for(int i=a;i<b;++i)
#define FORB(i,a,b) for(int i=a;i>=b;--i)
#define err1(a) {cout<<#a<<' '<<a<<nl;}
#define err2(a,b) {cout<<#a<<' '<<a<<' '<<#b<<' '<<b<<nl;}
#define mem(a,b) memset(a,b,sizeof(a))
#define maxn 100000
#define dis(ar,n) {for(int i=0;i<(n);++i) cout << ar[i] << " "; cout << nl;}
ll gcd(ll a, ll b){if (b==0)return a;return gcd(b, a % b);}
ll lcm(ll a,ll b){return (a*b)/gcd(a,b);}
ll bpow(ll a, ll b){ll ans=1;while(b){if(b&1)ans=(ans*a)%MOD;b/=2;a=(a*a)%MOD;}return ans;}
vt<pair<int,int>> dir = {{1,0},{-1,0},{0,1},{0,-1}};
int main(){
fast
ld a,b;
cin >> a >> b;
cout << a*(b/100.0) << endl;
return 0;
}
|
#include <bits/stdc++.h>
using namespace std;
mt19937 rand_mt(42);
const int N = 20;
class Genome{
public:
Genome(const vector<string>& S): sequences(S){
// auto dna = init_random();
auto dna = init_bf();
for(int i=0; i<N; i++){
dna_w[i] = dna[i];
for(int j=0; j<N; j++){
dna_h[j] += dna[i][j];
}
}
for(int i=0; i<N; i++){
dna_w[i] += dna_w[i];
dna_h[i] += dna_h[i];
}
}
array<string, N> init_random(){
auto dna = array<string, N>();
for(int i=0; i<N; i++){
for(int j=0; j<N; j++){
dna[i] += 'A' + rand_mt() % 8;
}
}
return dna;
}
array<string, N> init_bf(){
auto dna = array<string, N>();
int i = 0;
for(auto s : sequences){
for(int i=0; i<N; i++){
if(N - dna[i].size() < s.size()) continue;
dna[i] += s;
break;
}
}
return dna;
}
int evaluate(){
const auto M = sequences.size();
int c = 0;
for(auto s : sequences){
bool hasSeq = false;
for(auto dw : dna_w){
if(dw.find(s) != string::npos){ hasSeq = true; break;}
}
if (hasSeq){ c++; continue;}
for(auto dw : dna_h){
if(dw.find(s) != string::npos){ hasSeq = true; break;}
}
if (hasSeq){ c++; continue;}
}
int d = 0;
auto dna = getDNA();
for(auto s : dna){
d += count(s.begin(), s.end(), '.');
}
if(c < M){
return int(1e+8 * (c / (double) M));
}else{
return int(1e+8 * ((2 * N * N) / (double) (2 * N * N - d)));
}
}
array<string, N> getDNA(){
auto dna = array<string, N>();
for(int i=0; i<N; i++){
dna[i] = dna_w[i].substr(0, 20);
}
return dna;
}
void print(){
auto dna = getDNA();
for(int i=0; i<N; i++){
cout << dna[i] << endl;
}
}
public:
array<string, N> dna_w;
array<string, N> dna_h;
const vector<string> sequences;
};
int main()
{
int M;
cin >> M >> M;
vector<string> S(M, "");
for(int i=0; i<M; i++) cin >> S[i];
sort(S.begin(), S.end(), [](const string& s1, const string& s2){return s1.size() > s2.size();});
auto genome = Genome(S);
genome.print();
// cerr << "score = "<< genome.evaluate() << endl;
return 0;
}
| #include <bits/stdc++.h>
using namespace std;
#define F first
#define S second
#define R cin>>
#define ll long long
#define ln cout<<endl
#define in(a) insert(a)
#define pb(a) push_back(a)
#define pd(a) printf("%.10f\n",a)
#define mem(a) memset(a,0,sizeof(a))
#define all(c) (c).begin(),(c).end()
#define iter(c) __typeof((c).begin())
#define rrep(i,n) for(ll i=(ll)(n)-1;i>=0;i--)
#define REP(i,m,n) for(ll i=(ll)(m);i<(ll)(n);i++)
#define rep(i,n) REP(i,0,n)
#define tr(it,c) for(iter(c) it=(c).begin();it!=(c).end();it++)
ll check(ll n,ll m,ll x,ll y){return x>=0&&x<n&&y>=0&&y<m;}void pr(){ln;}
template<class A,class...B>void pr(const A &a,const B&...b){cout<<a<<(sizeof...(b)?" ":"");pr(b...);}
template<class A>void PR(A a,ll n){rep(i,n)cout<<(i?" ":"")<<a[i];ln;}
const ll MAX=1e9+7,MAXL=1LL<<61,dx[8]={-1,0,1,0,-1,-1,1,1},dy[8]={0,1,0,-1,-1,1,1,-1};
typedef pair<ll,ll> P;
vector<string> C(vector<string> s) {
ll n=s.size();
rep(i,n)REP(j,i+1,n) swap(s[i][j],s[j][i]);
return s;
}
ll n,m;
string s[1000];
ll calc(vector<string> t) {
ll cnt=0;
rep(k,m) {
ll f=0;
rep(l,2) {
rep(i,n) {
rep(j,n) {
if(t[i].substr(0,s[k].size())==s[k]) f=1;
rotate(t[i].begin(),t[i].begin()+1,t[i].end());
}
}
t=C(t);
}
cnt+=f;
}
return cnt;
}
vector<string> ans;
ll MM;
void solve(vector<string> t) {
ll d=calc(t);
if(MM<d) {
MM=d;
ans=t;
}
rep(k,5) {
random_shuffle(all(t));
rep(i,n) rotate(t[i].begin(),t[i].begin()+rand()%n,t[i].end());
ll d=calc(t);
if(MM<d) {
MM=d;
ans=t;
}
}
}
void Main() {
srand((unsigned)time(NULL));
cin >> n >> m;
rep(i,m) R s[i];
vector<string> v[15];
rep(i,m) v[s[i].size()].pb(s[i]);
rep(e,30) {
vector<string> t(n);
rrep(i,15) {
random_shuffle(all(v[i]));
rep(j,v[i].size()) {
ll M=MAX,x=0;
string rr;
rep(k,n) {
rep(l,t[k].size()+1) {
string r1=t[k].substr(l);
if(r1.size()<=v[i][j].size()) {
string r2=v[i][j].substr(0,r1.size());
if(r1==r2) {
ll d=t[k].size()+v[i][j].size()-r1.size();
if(d<=n&&M>d) {
M=d;
x=k;
rr=t[k]+v[i][j].substr(r1.size());
}
}
}
}
}
if(rand()%9==0) M=MAX;
if(M!=MAX) t[x]=rr;
}
}
rep(i,n) {
while(t[i].size()<n) {
//t[i]+='.';
t[i]+=(char)(rand()%8+'A');
}
}
solve(t);
}
rep(i,n) pr(ans[i]);
}
int main(){Main();return 0;}
|
#include <iostream>
using namespace std;
int main(void) {
unsigned long long n, n1, m;
cin >> n;
n1 = n + 1; // n+1本目の残り長さ
m = 1; // 最初に切る木の長さ = n+1本目の木で賄えた本数 - 1
while(true)
if (n1 >= m) {//次の長さの木を賄えたら
n1 -= m; //n+1本目の木を切る
m++; //次に賄う木の長さ+1増加 = n+1本目の木で賄えた本数 + 1
} else
break;
cout << n + 2 - m << endl;
return 0;
} | #include <bits/stdc++.h>
// #include <atcoder/all>
#define rep(i,n) for(int i = 0; i < (n); ++i)
#define srep(i,s,t) for(int i = s; i < t; ++i)
#define drep(i,n) for(int i = (n)-1; i >= 0; --i)
using namespace std;
// using namespace atcoder;
typedef long long int ll;
typedef pair<int,int> P;
#define yn {puts("Yes");}else{puts("No");}
#define MAX_N 200005
int main() {
ll n; cin >> n;
ll l = 1, r = 2002002002;
while(l+1<r){
ll m = (l+r) /2;
if(m*(m+1)/2 <= n+1) l = m;
else r = m;
}
ll ans = n+1 - l;
cout << ans << endl;
return 0;
}
|
#include<iostream>
#include<cstdio>
#include<map>
#include<bitset>
#include<algorithm>
#include<cmath>
#include<cstring>
#include<queue>
#include<stack>
#include<ctime>
using namespace std;
#define M 200005
#define N 1000005
#define MP make_pair
#define debug() cerr<<"Why So Serious?"<<endl
typedef long long ll;
typedef unsigned long long ull;
typedef double db;
template<class T>void Rd(T &x){
x=0;static char c;
while(c=getchar(),c<48);
do x=(x<<1)+(x<<3)+(c^48);
while(c=getchar(),c>47);
}
int n;
int Id1[M],Id2[M];
int A[M],B[M];
bool cmp1(int a,int b){
return (A[a]==A[b])?a<b:A[a]<A[b];
}
bool cmp2(int a,int b){
return (B[a]==B[b])?a<b:B[a]<B[b];
}
int P[M];
int Sum[M];
void Add(int x){
for(;x>0;x-=x&-x)Sum[x]++;
}
int Query(int x){
int res=0;
for(;x<=n;x+=x&-x)res+=Sum[x];
return res;
}
int main(){
Rd(n);
for(int i=1;i<=n;++i)Id1[i]=Id2[i]=i;
for(int i=1;i<=n;++i)Rd(A[i]),A[i]+=i;
for(int i=1;i<=n;++i)Rd(B[i]),B[i]+=i;
sort(Id1+1,Id1+n+1,cmp1);
sort(Id2+1,Id2+n+1,cmp2);
ll ans=0;
for(int i=1;i<=n;++i){
if(A[Id1[i]]!=B[Id2[i]]){
puts("-1");
return 0;
}
P[Id1[i]]=Id2[i];
}
for(int i=1;i<=n;++i){
ans+=Query(P[i]);
Add(P[i]);
}
printf("%lld\n",ans);
return 0;
} | #include <bits/stdc++.h>
using namespace std;
int main() {
int n,m,a[2200000],mex,nums[2200000];
vector<int> v;
cin >> n >> m;
for(int i=0; i<n; i++) {
cin >> a[i];
if(i<m) v.push_back(a[i]);
}
sort(v.begin(),v.end());
int now=0;
bool ok=true;
for(int i=0; i<m; i++){
if(v[i] == now) now++;
if(v[i] > now && ok) {
mex = now;
ok=false;
}
nums[v[i]]++;
}
if(ok) mex = now;
for(int i=0; i<n-m; i++){
nums[a[i]]--;
nums[a[i+m]]++;
if(a[i] < mex && nums[a[i]]==0) mex = a[i];
}
cout << mex;
} |
#include <bits/stdc++.h>
using namespace std;
#define stp(var, init, end) for (auto var = init; var < end; ++var)
#define stpe(var, init, end) for (auto var = init; var <= end; ++var)
#define stpi(iter, array) for (auto iter = array.begin(); iter != array.end(); ++iter)
#define ll long long
int main(void)
{
int a, b, c;
cin >> a >> b >> c;
cout << max(max(a + b, b + c), c + a);
return 0;
} | #include<bits/stdc++.h>
using namespace std;
int a,b,c;
int main()
{
cin>>a>>b>>c;
if(a==b)cout<<c;
else if(b==c)cout<<a;
else if(a==c)cout<<b;
else cout<<0;
return 0;
} |
#include<bits/stdc++.h>
#define ll long long int
#define mk make_pair
#define pb push_back
#define INF (ll)1e18
#define pii pair<ll,ll>
#define mod 998244353
#define f(i,a,b) for(ll i=a;i<b;i++)
#define fb(i,a,b) for(ll i=a;i>b;i--)
#define ff first
#define ss second
#define srt(v) if(!v.empty())sort(v.begin(),v.end())
#define rev(v) if(!v.empty())reverse(v.begin(),v.end())
#define PI 3.141592653589793238
#define pqr priority_queue<ll,vector<ll>,greater<ll>()>
using namespace std;
ll pow_mod(ll a,ll b)
{
ll res=1;
while(b!=0)
{
if(b&1)
{
res=(res*a)%mod;
}
a=(a*a)%mod;
b/=2;
}
return res;
}
ll inv_mod(ll x){
return pow_mod(x,mod-2);
}
const ll N=(ll)3e5;
ll inv[N];
ll fac[N];
void init(){
fac[0]=1;
for(ll i=1;i<N;i++)
fac[i]=(i*fac[i-1])%mod;
for(ll i=0;i<N;i++)
inv[i]=inv_mod(fac[i]);
}
ll ncr(ll n,ll r){
if(n<r)
return 0;
if(n==r||r==0)
return 1LL;
ll x=fac[n];
ll y=inv[n-r];
ll z=inv[r];
return ((x*y)%mod*z)%mod;
}
ll n;
void solve(ll test_case)
{
string s;
cin>>s;
s.pb(s[0]);
s.erase(0,1);
cout<<s<<endl;
}
int main()
{
// init(); //factorial calculations
//Start from Here.
ll t;
t=1;
ll q;
// cin>>t>>n>>q;
for(ll i=1;i<=t;i++)
solve(i);
//Good Bye!
return 0;
} | #include <iostream>
#include <iomanip>
#include <string>
#include <vector>
#include <algorithm>
#include <utility>
#include <tuple>
#include <cstdint>
#include <cstdio>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <deque>
#include <unordered_map>
#include <unordered_set>
#include <bitset>
#include <cctype>
#include <cmath>
#include <valarray>
#include <cstdlib>
#include <array>
#include <random>
#include <stdio.h>
#include <stdlib.h>
using namespace std;
#define rep(i,a,n) for(int i=(a);i<(n);i++)
#define ll long long
#define sort(A) sort(A.begin(), A.end())
#define zisyo(v) next_permutation(begin(v),end(v))
#define check(i) cout<<"*"<<i<<endl
#define vec(a) vector<a>
#define vvec(a) vector<vector<a>>
#define keta(a) setprecision(a)
//最小公倍数はこれ→ (a*b / gcd(a,b))
//最大公約数
int gcd(int x, int y) {
int m = min(x, y);
for (int d = m; d > 0; d--) {
if (x % d == 0 && y % d == 0) {
return d;
}
}
}
//各桁の和
ll ketawa(ll n) {
ll sum = 0;
while (n > 0) {
sum += n % 10; n /= 10;
}
return sum;
}
//回文判定
bool KIBN(string s) {
rep(i, 0, s.size() / 2) {
if (s[i] != s[s.size() - 1 - i])return false;
}
return true;
}
//素数判定
bool IsPrime(int num)
{
if (num < 2) return false;
else if (num == 2) return true;
else if (num % 2 == 0) return false;
double sqrtNum = sqrt(num);
for (int i = 3; i <= sqrtNum; i += 2)
{
if (num % i == 0)
{
return false;
}
}
return true;
}
int main(void) {
char a, b, c;
cin >> a >> b >> c;
cout << b << c << a << endl;
return 0;
} |
#include<bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
// #pragma GCC optimize("O2")
typedef long long int ll;
typedef long double ld;
typedef map <ll,ll> mm;
typedef vector <ll> mv;
typedef pair <ll,ll> mp;
typedef set <ll> ms;
typedef multiset <ll> mms;
typedef queue <ll> mq;
typedef deque <ll> mdq;
typedef stack <ll> mst;
typedef priority_queue <ll> mpq;
typedef priority_queue <ll, vector<ll>, greater<ll> > mmh;
typedef complex<double> cd;
#define ordered_set tree<ll, null_type,less<ll>, rb_tree_tag,tree_order_statistics_node_update>
#define ordered_multiset tree<ll,null_type,less_equal<ll>,rb_tree_tag,tree_order_statistics_node_update>
#define fastio ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define flush cout.flush();
#define all(v) v.begin(),v.end()
#define deb(x) cout << #x << " " << x << endl;
#define ff first
#define ss second
#define pb(v) push_back(v)
#define lb(v) lower_bound(v)
#define ub(v) upper_bound(v)
#define cn continue
#define forl(i,n) for(ll i=0;i<n;i++)
#define forlr(i,n) for(ll i=n-1;i>=0;i--)
#define rev(s) reverse(s.begin(),s.end())
void swap(ll &a,ll &b) {
ll tmp=a;
a=b;
b=tmp;
}
ll atoistring(string s) {
stringstream lol(s);
ll x;
lol>>x;
return x;
}
void pv(mv v) {
forl(i,v.size()) cout<<v[i]<<" ";
cout<<"\n";
}
void pa(ll *v, ll size) {
forl(i,size) cout<<v[i]<<" ";
cout<<"\n";
}
void removeDups(mv &v) {
sort(all(v));
mv::iterator it = unique(v.begin(), v.end());
v.resize(distance(v.begin(), it));
}
inline ld kthRoot(ld n, ll k) {
return pow(k, (1.0 / k) * (log(n) / log(k)));
}
ll power(ll x, ll y, ll p) {
ll res=1;
x=x%p;
while(y>0) {
if(y&1) res = (res*x)%p;
y=y>>1;
x=(x*x)%p;
}
return res;
}
void checkmod(ll &x, ll mod) {
if(x>=mod) x%=mod;
}
ll mod = 1e9 + 7;
ll arr[102];
unordered_map < ll , ll > facs;
vector < mp > ans;
void hashIt(ll x) {
ll v = sqrt(x);
for(ll i=2;i<=v;i++) {
if(x % i == 0) {
facs[i] ++ ;
while(x % i == 0) x /= i;
}
}
if(x > 1) facs[x] ++ ;
}
void thisIsMain() {
facs.clear();
ans.clear();
ll n;
cin>>n;
forl(i,n) cin>>arr[i];
forl(i,n) hashIt(arr[i]);
for(auto v : facs) ans.push_back({v.ss, v.ff});
sort(all(ans));
// forl(i,ans.size()) cout<<ans[i].ff<<" "<<ans[i].ss<<"\n";
cout<<ans.back().ss<<"\n";
}
int main(void)
{
fastio
ll t = 1;
// cin>>t;
while(t--) thisIsMain();
return 0;
} | #include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for (int i = 0; i < (n); ++i)
using ll = long long;
using P = pair<int,int>;
int main() {
int n;
cin >> n;
vector<int> a(n);
int ma=0;
rep(i,n){
cin>>a[i];
ma = max(a[i],ma);
}
int ans=0;
int index;
for (int i = 2; i <= ma; i++)
{
/* code */
int sum=0;
for (int j = 0; j < n; j++)
{
if(a[j]%i ==0) sum++;
}
if(ans<=sum) {
ans = sum;
index = i;
}
}
cout<<index<<endl;
return 0;
} |
#include <iostream>
#include <cstdio>
#include <vector>
#include <algorithm>
#include <set>
using namespace std;
const int N = 500005;
char s[N], e[N];
vector<int> v[2];
vector<int> df;
int t[N];
int n;
int lowbit(int x){
return x & -x;
}
void add(int x, int w){
while(x <= n){
t[x] += w;
x += lowbit(x);
}
}
int query(int x){
int res = 0;
while(x){
res += t[x];
x -= lowbit(x);
}
return res;
}
int main(){
scanf("%d", &n);
scanf("%s", s);
scanf("%s", e);
bool flag = 1;
int ans = 0;
for(int i = 1; i <= n; i++){
if(s[i - 1] == '0') add(i, 1);
if(s[i - 1] != e[i - 1]){
v[s[i - 1] - '0'].push_back(i);
df.push_back(i);
}
}
df.push_back(n + 1);
if(v[0].size() != v[1].size()) printf("-1\n");
else{
int l = df[0], mt = 0;
for(int i = 0; i < df.size(); i++){
if(s[df[i] - 1] == '0') mt--;
else mt++;
// cout << mt << endl;
if(mt == 0){
ans += query(df[i]) - query(l - 1);
l = df[i + 1];
}
}
printf("%d\n", ans);
}
return 0;
} | // #pragma GCC optimize("Ofast,unroll-loops")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
#include <bits/stdc++.h>
#define ll long long int
#define vi vector<int>
#define vvi vector<vector<int>>
#define vll vector<long long>
#define vs vector<string>
#define vc vector<char>
#define vb vector<bool>
#define forn(i, s, n) for(ll i=(ll)s; i<(ll)(n); i++)
#define all(c) c.begin(),c.end()
#define pb push_back
#define pll pair<long long int, long long int>
#define pii pair<int, int>
#define lld long double
#define F first
#define S second
#define PI 3.141592653589793238
#define prec(n) fixed<<setprecision(n)
#define ordered_set tree<ll, null_type,less<ll>, rb_tree_tag,tree_order_statistics_node_update>
#define debug(...) fprintf(stderr, __VA_ARGS__), fflush(stderr)
#define itsval(args...) { string _s = #args; replace(_s.begin(), _s.end(), ',', ' '); stringstream _ss(_s); istream_iterator<string> _it(_ss); itval(_it, args); }
using namespace std;
// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/tree_policy.hpp>
// using namespace __gnu_pbds;
void itval(istream_iterator<string> it) {}
template<typename T, typename... Args>
void itval(istream_iterator<string> it, T a, Args... args) {
cerr << *it << " = " << a << endl;
itval(++it, args...);
}
const ll MOD = 1e9 + 7;
template <typename T>
inline void print(T x) {cout << x << "\n";}
template <typename T>
inline void printvec(T x) {for (auto a : x)cout << a << ' '; cout << '\n';}
// -----------------------------------------------------------------------
struct custom {
bool operator()(const pair<pll, ll> &p1, const pair<pll, ll> &p2)const {
if (p1.S == p2.S)
{
return p1.F.F > p2.F.F;
}
return p1.S < p2.S;
}
};
// Calculate a^b % MOD -------------------------------------------------
ll get_pow(ll a, ll b, ll M = MOD) {
ll res = 1;
while (b) {
if (b & 1) res = (res * a) % M;
a = (a * a) % M;
b >>= 1;
}
return res;
}
// ---------------------------------------------------------------------
const ll N = 2e5 + 5, inf = 2e18;
void solve()
{
ll N, P;
cin >> N >> P;
ll ans = (P - 1);
ans = ans * get_pow(P - 2, N - 1) % MOD;
cout << ans << '\n';
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
#ifndef ONLINE_JUDGE
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
int test = 1;
clock_t z = clock();
//cin >> test;
forn(tes, 0, test)
{
solve();
}
debug("Total Time:%.4f\n", (double)(clock() - z) / CLOCKS_PER_SEC);
return 0;
} |
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
ll MOD = 1000000007;
int main(){
int n;
cin>>n;
vector<ll> lista(n+1);
for(int i = 1; i<=n; i++){
cin>>lista[i];
}
vector<vector<ll> > dp(n+1, vector<ll>(n+1, 0));
for(int i = 1; i<=n; i++){
dp[i][1] = 1;
}
for(int i = 2; i<=n; i++){
vector<ll> resto(i, 0);
ll sum = 0;
for(int j = 1; j<=n; j++){
sum = (sum + lista[j])%i;
dp[j][i] = (dp[j][i] + resto[sum%i])%MOD;
resto[sum%i] = (resto[sum%i] + dp[j][i-1])%MOD;
}
}
ll res = 0;
for(int i = 1; i<=n; i++){
res = (res + dp[n][i])%MOD;
}
cout<<res<<"\n";
return 0;
}
| #include <bits/stdc++.h>
using ll=long long;
using ld=long double;
#define rep(i,n) for(int i=0;i<n;i++)
using namespace std;
ll p=998244353;
vector<ll> a(200100);
vector<ll> b(200100);
ll powk(ll k,ll n){
ll ans=1,m=k;
while(n){
if(n%2) ans=ans*m%p;
m=m*m%p; n/=2;
}
return ans;
}
void comb1(){
a[0]=1;
for(ll i=1;i<200100;i++) a[i]=a[i-1]*i%p;
rep(i,200100) b[i]=powk(a[i],p-2);
return;
}
ll comb(int n,int k){
ll ans=a[n]*b[n-k]%p*b[k]%p;
return ans;
}
int main(){
comb1();
ll n,m;
cin >> n >> m;
ll ans=1;
for(int i=2;i<=m;i++){
int j=i,x=2; ll y=1;
while(x*x<=i){
int k=0;
while(j%x==0){
j/=x; k++;
}
y*=comb(n+k-1,k);
y%=p;
x++;
}
if(1<j) y=y*n%p;
ans=(ans+y)%p;
}
cout << ans << endl;
} |
#include <bits/stdc++.h>
using namespace std;
int main(void)
{
char c1, c2, c3;
cin >> c1 >> c2 >> c3;
if ((c1 == c2) && (c2 == c3))
cout << "Won" << endl;
else
cout << "Lost" << endl;
return 0;
} |
// C++ (GCC9.2.1) AtCoder
/*
Ctrl+Option+N で 実行
*/
#include <bits/stdc++.h>
#define INF 100000000000
#define MOD 1000000007
#define REP(i, n) for (int i = 0; i < (int)(n); i++)
#define all(x) (x).begin(),(x).end()
#define print(x) cout << (x) << endl;
typedef long long ll;
using namespace std;
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
ll a,b,c,d;
cin>>a>>b>>c>>d;
print(b-c)
return 0;
} |
/**
* 問題順: D
* 問題名: Base n
* 実行時間制限: 2 sec
* メモリ制限: 1024 MB
* 配点: 400点
* URL: https://atcoder.jp/contests/abc192/tasks/abc192_d
* 最終結果: WA
* 問題分類: 数学, 数え上げ
* アルゴリズム: 二分探索
*/
#include<iostream>
using namespace std;
using ll = long long;
string X;
ll M;
bool isOK(ll d) {
ll x=0,tM=M;
int i;
int Mlen=0;
while(tM>0) {
Mlen++;
tM/=d;
}
if (Mlen<X.size()) return false;
for (i=0;i<X.size() && x<=M;i++) {
x *= d;
x += (X[i]-'0');
}
return x<=M;
}
int main() {
int i;
cin>>X>>M;
int maxD=0;
for (i=0;i<X.size();i++) {
maxD = max(maxD, (int)(X[i]-'0'));
}
ll ans=0;
ll ok = maxD+1, ng=1e18; ng++;
if (X.size()>1) {
if (isOK(ok)) {
while (abs(ok - ng) > 1) {
ll mid = (ok + ng) / 2;
if (isOK(mid)) ok = mid;
else ng = mid;
}
ans = ok-maxD;
}
} else {
ans = isOK(ok) ? 1 : 0;
}
cout<<ans<<endl;
return 0;
}
| #include <bits/stdc++.h>
typedef long long ll;
using namespace std;
int sum_digit(int n){
int res = 0;
while(n){
res += n%10;
n /= 10;
}
return res;
}
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
int a, b;
cin >> a >> b;
int x = sum_digit(a);
int y = sum_digit(b);
cout << (x > y ? x : y) ;
cout << endl;
return 0;
}
|
#include <bits/stdc++.h>
#ifdef _DEBUG
#include "_DEBUG.hpp"
#endif
#define int long long
using namespace std;
using P = pair<int, int>;
const int inf = 2e18;
const int mod = 1e9 + 7;
template <typename T>
istream &operator>>(istream &is, vector<T> &v) {
for (T &in : v) is >> in;
return is;
}
template <class T>
vector<T> make_vec(size_t a) {
return vector<T>(a);
}
template <class T, class... Ts>
auto make_vec(size_t a, Ts... ts) {
return vector<decltype(make_vec<T>(ts...))>(a, make_vec<T>(ts...));
}
template <class T, class V>
typename enable_if<is_class<T>::value == 0>::type fill(T &t, const V &v) {
t = v;
}
template <class T, class V>
typename enable_if<is_class<T>::value != 0>::type fill(T &t, const V &v) {
for (auto &e : t) fill(e, v);
}
bool kaibun(string s) {
bool ok = true;
for (int i = 0; i < s.size() / 2; i++) {
if (s[i] != s[(int)s.size() - 1 - i]) ok = false;
}
return ok;
}
signed main() {
string s;
cin >> s;
bool ok = false;
for (int i = 0; i < 99; i++) {
string t = s;
for (int j = 0; j < i; j++) {
t.insert(0, "0");
}
if (kaibun(t)) {
ok = true;
break;
}
}
cout << (ok ? "Yes" : "No") << endl;
return 0;
} | #include<bits/stdc++.h>
using namespace std;
int main(){
int n;
cin >> n;
while(n!=0&&n%10==0){
n/=10;
}
int k=0;
int o=n;
while(o!=0){
k*=10;
k+=(o%10);
o/=10;
}
if(k==n){
cout << "Yes" << endl;
}else{
cout << "No" << endl;
}
return(0);
} |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#ifdef APURBA
#include "DEBUG_TEMPLATE.h"
#define HERE cout<<"here - "<<__LINE__<<"\n";
#define debug(args...) { string _s = #args; replace(_s.begin(), _s.end(), ',', ' '); stringstream _ss(_s); istream_iterator<string> _it(_ss); err(_it, args); }
#else
#define HERE
#define debug(args...)
#endif
const int N = 1e5 +5;
const ll mod = 1e9+7;
typedef pair<int,int> pii;
bool issub(int i, int j , string &s1, string &s2)
{
if(j==s2.size())
{
return 1;
}
if(i==s1.size() || j==s2.size())
{
return 0;
}
if(s1[i]== s2[j])
{
return issub(i+1, j+1 , s1, s2);
}
else{
return issub(i+1 , j , s1, s2);
}
}
void TEST_CASES(int cas)
{
int n;
string s1,s2,s3;
cin>>n>>s1>>s2>>s3;
s1+=s1;
s2+=s2;
s3+=s3;
debug(s1,s2,s3);
string ans;
for(int i=0;i<n;i++)
{
ans+="0";
}
for(int i=0;i<n;i++)
{
ans+="1";
}
ans+="0";
debug(ans);
if(issub(0,0,s1,ans) && issub(0,0,s2,ans)&&issub(0,0,s3,ans))
{
cout<<ans<<"\n";
return;
}
ans.pop_back();
ans+="1";
debug(ans);
if(issub(0,0,s1,ans) && issub(0,0,s2,ans)&&issub(0,0,s3,ans))
{
cout<<ans<<"\n";
return;
}
ans.clear();
for(int i=0;i<n;i++)
{
ans+="1";
}
for(int i=0;i<n;i++)
{
ans+="0";
}
ans+="0";
debug(ans);
if(issub(0,0,s1,ans) && issub(0,0,s2,ans)&&issub(0,0,s3,ans))
{
cout<<ans<<"\n";
return;
}
ans.pop_back();
ans+="1";
debug(ans);
if(issub(0,0,s1,ans) && issub(0,0,s2,ans)&&issub(0,0,s3,ans))
{
cout<<ans<<"\n";
return;
}
}
/*
*/
int32_t main()
{
#ifndef APURBA
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
#endif
//freopen("input.txt","r",stdin);
//freopen("out1.txt","w",stdout);
int t=1,cas=0;
cin>>t;
while(t--)
{
TEST_CASES(++cas);
}
return 0;
}
| #include<bits/stdc++.h>
const int N=1e5+100;
using namespace std;
int n;
void run(){
cin>>n;
string a,b,c;
cin>>a>>b>>c;
for(int i=1;i<=n;i++)cout<<0;
for(int i=1;i<=n;i++)cout<<1;
cout<<0<<endl;
}
int main(){
int T;cin>>T;
while(T--)
run();
} |
#include <bits/stdc++.h>
#define ar array
#define ll long long
#define endl '\n'
using namespace std;
const int MAX_N = 1e5 + 1;
const ll MOD = 1e9 + 7;
const ll INF = 1e9;
int MAX = INT_MAX;
long long LMAX = LONG_LONG_MAX;
vector<vector<int>> a;
bool check[2000];
void dfs(int c) {
if(check[c]) return;
check[c] = true;
for(auto it:a[c]) {
dfs(it);
}
}
void solve() {
int n, m;
cin >> n >> m;
a.resize(n);
for(int i=0; i<m; i++) {
int x,y;
cin >> x >> y;
a[x-1].push_back(y-1);
}
int ans=0;
for(int i=0; i<n; i++) {
for(int j=0; j<n; j++) check[j] = false;
dfs(i);
for(int j=0; j<n; j++) if(check[j]) ans++;
}
cout << ans << endl;
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
int tc = 1;
// cin >> tc;
while(tc--) {
// cout << "Case #" << t << ": ";
solve();
}
} | #include <bits/stdc++.h>
using namespace std;
int main(){
int n;
cin >> n;
vector<tuple<int,int,int>> a;
int b[4][2] = {{0,0},{0,-1},{1,0},{1,-1}};
for(int i = 0; i< n;i++){
int type;
cin >> type;
int inp1,inp2;
cin >> inp1 >> inp2;
a.push_back(make_tuple(type,inp1,inp2));
}
int cnt = 0;
for(int i = 0;i < n;i++){
for(int j = i + 1;j < n;j++){
if(get<2>(a.at(i)) < get<1>(a.at(j))
|| get<2>(a.at(j)) < get<1>(a.at(i))
|| (get<2>(a.at(i)) == get<1>(a.at(j)) && (get<0>(a.at(i)) == 2 || get<0>(a.at(i)) == 4 || get<0>(a.at(j)) == 3 || get<0>(a.at(j)) == 4))
|| (get<2>(a.at(j)) == get<1>(a.at(i)) && (get<0>(a.at(i)) == 3 || get<0>(a.at(i)) == 4 || get<0>(a.at(j)) == 2 || get<0>(a.at(j)) == 4))
){
continue;
}
cnt++;
}
}
cout << cnt;
} |
#include <bits/stdc++.h>
using namespace std;
//#pragma GCC optimize("O3")
#define DIM 200009
#define INF ((long long)1e18+9ll)
#define pairll pair<long long,long long>
#define fi first
#define se second
#define ld long double
#define amen exit(0)
#define endl '\n'
#define MODULO 998244353
#define fast ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0)
long long i,j,k,l,n,m;
string a,b;
int main()
{
fast;
int nt;
cin>>nt;
while(nt--){
a="atcoder";
cin>>b;
if(a<b)cout<<0<<endl;
else{
long long res=INF;
long long pos=-1;
for(int i=0;i<b.size();i++){
if(b[i]!='a'){
pos=i+1;
break;
}
}
if(pos==-1)cout<<-1<<endl;
else{
if(b[pos-1]>'t')cout<<pos-2<<endl;
else cout<<pos-1<<endl;
}
}
}
amen;
}
| #define _CRT_SECURE_NO_WARNINGS
#include<iostream>
#include<sstream>
#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<climits>
#include<cmath>
#include<string>
#include<vector>
#include<set>
#include<map>
#include<queue>
#include<numeric>
#include<functional>
#include<algorithm>
#include<bitset>
#include<tuple>
#include<unordered_set>
#include<unordered_map>
#include<random>
#include<array>
#include<cassert>
using namespace std;
#define INF ((1<<30)-1)
#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define all(v) v.begin(),v.end()
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
int T;
cin >> T;
rep(_, T) {
string s;
cin >> s;
string t = s;
sort(all(t));
reverse(all(t));
if (t <= "atcoder") {
cout << -1 << endl;
continue;
}
int ans = INF;
int cur = 0;
rep(i, 7) {
int idx = -1;
for (int j = i; j <= s.size(); j++) {
if ("atcoder"[i] < s[j]) {
ans = min(ans, cur + j - i);
}
else if ("atcoder"[i] == s[j] && idx == -1) {
idx = j;
}
}
if (idx == -1)break;
cur += idx - i;
for (int j = idx - 1; j >= i; j--) {
s[j + 1] = s[j];
}
s[i] = "atcoder"[i];
}
if (s.size() > 7 && s.substr(0, 7) == "atcoder")ans = min(ans, cur);
cout << ans << endl;
}
return 0;
}
|
#include <bits/stdc++.h>
using namespace std;
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define pb push_back
#define int long long
template <class T>
bool chmax(T &a, T b) {
if (a < b) {
a = b;
return 1;
}
return 0;
}
template <class T>
bool chmin(T &a, T b) {
if (a > b) {
a = b;
return 1;
}
return 0;
}
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<vi> vvi;
const int inf = 1e9;
const int dx[4] = {1, 0, -1, 0};
const int dy[4] = {0, 1, 0, -1};
signed main() {
double a,b;
cin >> a >> b;
if(a==b){
cout << a << endl;
}else {
cout << 3-a-b << endl;
}
return 0;
}
| #include <bits/stdc++.h>
#define x first
#define y second
using namespace std;
typedef pair<int, int> PII;
typedef pair<double, double> PDD;
typedef long long LL;
typedef unsigned long long ULL;
int main()
{
int a, b;
cin >> a >> b;
cout << 1.0 * (a - b) / a * 100 << endl;
return 0;
} |
#include "bits/stdc++.h"
#define REP(i,num) for(ll i=0;i<(num);++i)
#define FOR(i,c,num) for(ll (i)=(c);(i)<(num);++(i))
#define LOOP(i) while(i--)
#define ALL(c) c.begin(),c.end()
#define PRINTALL(c) for(auto pitr=c.begin();pitr!=c.end();++pitr){cout<<*pitr;if(next(pitr,1)!=c.end())cout<<' ';}cout<<endl;
#define PAIRCOMP(c,comp) [](const pair<ll,ll>& lhs,const pair<ll,ll>& rhs){return lhs.c comp rhs.c;}
using namespace std;
using ll = long long;
using vll = vector<ll>;
using vvll = vector<vector<ll>>;
constexpr ll atcoder_mod = 1e9+7;
template<typename T=ll>
T in(){ T x; cin >> x; return (x); }
template<typename T=ll,typename C=vector<T>>
C vecin(int N){ C x(N);REP(i,N){ x[i]=in<T>(); }return x; }
void vout(){ cout << endl; }
template<typename Head,typename... Tail>
void vout(Head&& h,Tail&&... t){ cout << ' ' << h;vout(forward<Tail>(t)...); }
void out(){ cout << endl; }
template<typename Head,typename... Tail>
void out(Head&& h,Tail&&... t){ cout << h;vout(forward<Tail>(t)...); }
template<typename T>
bool chmax(T& a,T b){ if(a<b){ a=b;return true; }return false; }
template<typename T>
bool chmin(T& a,T b){ if(a>b){ a=b;return true; }return false; }
class Data{
public:
ll X,Y,Z;
};
int main(){
cin.tie(0);
ios::sync_with_stdio(false);
cout<<fixed<<setprecision(10);
auto N=in();
vector<Data> D(N);
REP(i,N){
D[i].X=in();
D[i].Y=in();
D[i].Z=in();
}
ll L = 1ll<<N;
vvll dp(L,vll(N,1ll<<60));
dp[0][0] = 0;
REP(i,L){
REP(j,N){
REP(k,N){
ll to = i | (1ll<<k);
ll C = abs(D[j].X-D[k].X)+abs(D[j].Y-D[k].Y)+max(0ll,D[k].Z-D[j].Z);
chmin(dp[to][k],dp[i][j]+C);
}
}
}
out(dp[L-1][0]);
return 0;
}
| #include <bits/stdc++.h>
using namespace std;
#define M_PI 3.14159265358979323846
#define MOD 1000000007
typedef long long ll;
typedef vector<int> vint;
typedef vector<vint> vvint;
typedef vector<ll> vll;
typedef vector<vll> vvll;
typedef pair<int, int> ipair;
typedef pair<ll, ll> llpair;
/*
Author: Koushik Sahu
Created: 03 April 2021 Sat 22:14:58
*/
const int nxM = 105;
int h, w, x, y;
string s[nxM];
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL), cout.tie(NULL);
cin>>h>>w>>x>>y;
for(int i=0; i<h; i++) cin>>s[i];
x--, y--;
int ans = 1;
for(int i=x+1; i<h; i++){
if(s[i][y]=='.') ans++;
else break;
}
for(int i=x-1; i>=0; i--){
if(s[i][y]=='.') ans++;
else break;
}
for(int i=y+1; i<w; i++){
if(s[x][i]=='.') ans++;
else break;
}
for(int i=y-1; i>=0; i--){
if(s[x][i]=='.') ans++;
else break;
}
cout<<ans<<"\n";
return 0;
} |
#include<bits/stdc++.h>
using namespace std;
int main(){
int n,k,m;
cin>>n>>k>>m;
vector<int> v(n-1);
int l=0;
for(int i=0;i<n-1;i++){
cin>>v[i];
l+=v[i]-m;
}
l-=m;
if(l>=0) cout<<0<<endl;
else if(-1*l<=k) cout<<-1*l<<endl;
else cout<<-1<<endl;
} | #include <bits/stdc++.h>
using namespace std;
int main() {
int n, k, m; scanf("%d%d%d", &n, &k, &m);
int sum = 0;
for (int i = 0; i < n-1; i++) {
int x; scanf("%d", &x);
sum += x;
}
for (int i = 0; i <= k; i++) {
if ((sum + i) / n >= m) {
return !printf("%d\n", i);
}
}
printf("-1\n");
} |
#include <bits/stdc++.h>
using namespace std;
int main(){
int x;
cin>>x;
for(int i= 1; i<=1001; i++){
if(i*100 > x){
cout<<i*100-x;
break;
}
}
return 0;
}
| #include<bits/stdc++.h>
using namespace std;
# define ll long long
# define read read1<ll>()
# define Type template<typename T>
Type T read1(){
T t=0;
char k;
bool vis=0;
do (k=getchar())=='-'&&(vis=1);while('0'>k||k>'9');
while('0'<=k&&k<='9')t=(t<<3)+(t<<1)+(k^'0'),k=getchar();
return vis?-t:t;
}
# define fre(k) freopen(k".in","r",stdin);freopen(k".out","w",stdout)
ll n;
int main(){
n=read;ll v=9e18,x=0;
for(ll i=0;i<62;++i)
if((n>>i)+i+(n&(1ll<<i)-1)<v)
v=(n>>i)+i+(n&(1ll<<i)-1),x=i;
cout<<v;
return 0;
}
|
#include <bits/stdc++.h>
long long c[61][61];
using namespace std;
int main(){
c[0][0]=1;
for(int i=1;i<=60;i++){
c[i][0]=1;
for(int j=1;j<=i;j++){
c[i][j]=c[i-1][j-1]+c[i-1][j];
}
}
int a,b;
long long k;
cin>>a>>b>>k;
int n=a+b;
for(int i=1;i<=n;i++){
if(c[n-i][b]>=k){
cout<<'a';
a--;
}
else{
cout<<'b';
k-=c[n-i][b];
b--;
}
}
return 0;
} | #include <algorithm>
#include <iostream>
#include <numeric>
#include <string>
#include <tuple>
#include <utility>
#include <vector>
#define rep(i, a, b) for (int i = int(a); i < int(b); i++)
using namespace std;
using ll = long long int;
using P = pair<ll, ll>;
// clang-format off
#ifdef _DEBUG_
#define dump(...) do{ cerr << __LINE__ << ":\t" << #__VA_ARGS__ << " = "; debug_print(__VA_ARGS__); } while(false)
template<typename T, typename... Ts> void debug_print(const T &t, const Ts &...ts) { cerr << t; ((cerr << ", " << ts), ...); cerr << endl; }
#else
#define dump(...) do{ } while(false)
#endif
template<typename T> vector<T> make_v(size_t a, T b) { return vector<T>(a, b); }
template<typename... Ts> auto make_v(size_t a, Ts... ts) { return vector<decltype(make_v(ts...))>(a, make_v(ts...)); }
template<typename T> bool chmin(T &a, const T& b) { if (a > b) {a = b; return true; } return false; }
template<typename T> bool chmax(T &a, const T& b) { if (a < b) {a = b; return true; } return false; }
template<typename T, typename... Ts> void print(const T& t, const Ts&... ts) { cout << t; ((cout << ' ' << ts), ...); cout << '\n'; }
template<typename... Ts> void input(Ts&... ts) { (cin >> ... >> ts); }
template<typename T> istream &operator,(istream &in, T &t) { return in >> t; }
// clang-format on
int main() {
cin.tie(nullptr);
ios::sync_with_stdio(false);
int a, b;
ll k;
input(a, b, k);
auto comb = make_v(100, 100, 0LL);
auto nCr = [&](auto &f, int n, int r) -> ll {
if (r == 0 || n == r) {
return 1;
}
if (comb[n][r] > 0) return comb[n][r];
return comb[n][r] = f(f, n - 1, r) + f(f, n - 1, r - 1);
};
string ans = "";
int n = a + b;
rep(i, 0, n) {
if (a > 0) {
ll cnt = nCr(nCr, a + b - 1, b);
dump(k, cnt, a, b);
if (k > cnt) {
k -= cnt;
ans += 'b';
b--;
} else {
ans += 'a';
a--;
}
} else {
ans += 'b';
k--;
b--;
}
}
print(ans);
return 0;
}
|
#include <iostream>
#include <map>
#include <vector>
#include <set>
#include <stack>
#include <bitset>
#include <queue>
#include <algorithm>
#include <iomanip>
#include <unordered_map>
#include <unordered_set>
#include <cmath>
#include <cassert>
#include <random>
using namespace std;
void solve();
int main() {
#ifdef DEBUG
freopen("input.txt", "r", stdin);
#endif
srand(time(0));
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
solve();
return 0;
}
#define int long long
const int N = 101, A = 2e5 + 100, INF = 1e18;
int n, ans;
string f, s;
void solve() {
cin >> n >> f >> s;
vector < int > a, b;
for (int i = s.size() - 1; i >= 0; i--) {
if (s[i] == '1') a.push_back(i);
}
for (int i = 0; i < f.size(); i++) {
if (f[i] == '0') continue;
if (a.empty() || a.back() > i) b.push_back(i);
else {
ans += i - a.back();
a.pop_back();
}
}
if (b.size() % 2 == 1 || !a.empty()) {
cout << -1;
return;
}
for (int i = 0; i < b.size(); i += 2) {
ans += b[i + 1] - b[i];
}
cout << ans;
} | #include <bits/stdc++.h>
#ifndef ONLINE_JUDGE
#define _GLIBCXX_DEBUG
#endif
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rep2(i, s, n) for (int i = s; i < (int)(n); i++)
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
#define vec vector
#define rip return 0
typedef long long ll;
typedef pair<ll,ll> P;
ll max(ll x,ll y){
if(x>y)return x;
else return y;
}
ll min(ll x,ll y){
if(x<y)return x;
else return y;
}
int main(){
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout<<fixed<<setprecision(12);
/*-------------------------------------------*/
ll r,x,y;
cin>>r>>x>>y;
double eu=sqrt(x*x+y*y);
ll ans=eu/r;
if(r*ans==eu)cout<<ans<<endl;
else if(eu>2*r) cout<<ans+1<<endl;
else cout<<2<<endl;
} |
#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <queue>
#include <string>
#include <map>
#include <set>
#include <stack>
#include <tuple>
#include <deque>
#include <array>
#include <numeric>
#include <bitset>
#include <iomanip>
#include <cassert>
#include <chrono>
#include <random>
#include <limits>
#include <iterator>
#include <functional>
#include <sstream>
#include <fstream>
#include <complex>
#include <cstring>
#include <unordered_map>
#include <unordered_set>
using namespace std;
// #pragma GCC optimize("O3")
// #pragma GCC optimize("unroll-loops")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
// #pragma GCC target("avx512f,avx512dq,avx512cd,avx512bw,avx512vl")
using ll = long long;
constexpr int INF = 1001001001;
constexpr int mod = 1000000007;
// constexpr int mod = 998244353;
template<class T>
inline bool chmax(T& x, T y){
if(x < y){
x = y;
return true;
}
return false;
}
template<class T>
inline bool chmin(T& x, T y){
if(x > y){
x = y;
return true;
}
return false;
}
int sx, sy, gx, gy;
ll score;
inline void query(){
cin >> sx >> sy >> gx >> gy;
}
string get_str(){
string res = "";
while(sx < gx) { res += 'D'; ++sx; }
while(sx > gx) { res += 'U'; --sx; }
while(sy < gy) { res += 'R'; ++sy; }
while(sy > gy) { res += 'L'; --sy; }
return res;
}
inline void output(string s){
cout << s << endl;
}
int main(){
ios::sync_with_stdio(false);
cin.tie(nullptr);
for(int i = 0; i < 1000; ++i){
query();
output(get_str());
cin >> score;
}
return 0;
} | //#include <atcoder/all>
//using namespace atcoder;
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define REP(i, n) for(int i=0; i<n; i++)
#define REPR(i, n) for(int i=n-1; i>=0; i--)
#define FOR(i, m, n) for(int i=m; i<n; i++)
#define ALL(v) v.begin(), v.end()
#define bit(n) (1LL<<(n))
#define FIX(d) fixed << setprecision(d)
using P = pair<int, int>;
using LP = pair<ll, ll>;
using vvi = vector<vector<int>>;
using vvl = vector<vector<ll>>;
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
const int INF = 1e9;
const ll LINF = (1LL<<60);
int di[] = {-1, 1, 0, 0};
int dj[] = {0, 0, -1, 1};
const int H = 30, W = 30;
struct edge
{
int to;
int cost;
edge(int _to, int _cost){
to = _to;
cost = _cost;
}
};
using Graph = vector<vector<edge>>;
// 経路復元用
vector<ll> dijkstra(int s, const Graph &G, vector<int> &prev)
{
int n = G.size();
priority_queue<P, vector<P>, greater<P>> que;
vector<ll> d(n, INF);
prev.resize(n, -1);
d[s] = 0;
que.emplace(0, s);
while (!que.empty()){
P p = que.top();
que.pop();
int v = p.second;
if (d[v] < p.first) continue;
for(auto nv: G[v]){
if (d[nv.to] > d[v] + nv.cost){
d[nv.to] = d[v] + nv.cost;
prev[nv.to] = v;
que.emplace(d[nv.to], nv.to);
}
}
}
return d;
}
string get_path(const vector<int> &prev, int t) {
vector<int> path;
for (int cur = t; cur != -1; cur = prev[cur]) {
path.push_back(cur);
}
reverse(path.begin(), path.end());
string pathString = "";
REP(i,path.size()-1){
if(path[i]-path[i+1]==1) pathString.push_back('L');
else if(path[i]-path[i+1]==-1) pathString.push_back('R');
else if(path[i]-path[i+1]==W) pathString.push_back('U');
else pathString.push_back('D');
}
return pathString;
}
void init(Graph &G){
REP(i,H) REP(j,W){
int cur = i*W+j;
REP(k,4){
int ni = i+di[k];
int nj = j+dj[k];
if(ni<0 || ni>=H || nj<0 || nj>=H) continue;
int next = ni*W+nj;
G[cur].push_back(edge(next, 1000));
G[next].push_back(edge(cur, 1000));
}
}
}
int main() {
Graph G(H*W);
init(G);
REP(q,1000){
int si, sj, ti, tj;
cin >> si >> sj >> ti >> tj;
int sp = si*W+sj;
int tp = ti*W+tj;
vector<int> prev;
auto dist = dijkstra(sp, G, prev);
string path = get_path(prev, tp);
cout << path << endl;
int score;
cin >> score;
int score_per = score / path.size();
int cur = tp;
while(cur!=sp){
int next = prev[cur];
for(auto &eg: G[cur]){
if(eg.to!=next) continue;
//chmax(eg.cost, score_per);
eg.cost = score_per;
}
for(auto &eg: G[next]){
if(eg.to!=cur) continue;
//chmax(eg.cost, score_per);
eg.cost = score_per;
}
cur = next;
}
}
return 0;
}
|
#include <bits/stdc++.h>
typedef long long int ll;
using namespace std;
#define P 998244353
#define rep(i,n) for(i=0;i<n;++i)
#define re(i,a,n) for(i=a;i<=n;++i)
#define repr(i,a,n) for(i=a;i>=n;--i)
#define pb push_back
#define mp make_pair
#define fi first
#define se second
ll binpow(ll x, ll y, ll p)
{
ll res = 1;
x = x % p;
while (y > 0)
{
if (y & 1)
res = (res*x) % p;
y = y>>1;
x = (x*x) % p;
}
return res;
}
ll modInverse(ll n, ll p)
{
return binpow(n, p-2, p);
}
/*const ll MAXN=4e6+1;
ll spf[MAXN];
void sieve()
{
spf[1] = 1;
ll i,j;
for (i=2; i<MAXN; i++)
spf[i] = i;
for (i=4; i<MAXN; i+=2)
spf[i] = 2;
for (i=3; i*i<MAXN; i++)
{
if (spf[i] == i)
{
for (j=i*i; j<MAXN; j+=i)
if (spf[j]==j)
spf[j] = i;
}
}
} */
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
ll m,n,i,f=0,j,ans=0,k,x,r,l,t,y,h,w;
cin >> h >> w >> n >> m ;
set<ll> s;
ll a[h][w];
ll used[h][w];
rep(i,h)
{
rep(j,w){ a[i][j]=0; used[i][j]=0;}
}
vector<vector<ll>> row(h),col(w),rowb(h),colb(w);
rep(i,n)
{
cin >> x >> y ;
x--;
y--;
a[x][y]=1;
}
rep(i,m)
{
cin >> x>> y ;
x--;
y--;
a[x][y]=-1;
}
rep(i,h)
{
f=0;
rep(j,w)
{
if(a[i][j]==1)
{
f=1;
}
else if(a[i][j]==-1) f=-1;
if(f==1) used[i][j]=1;
}
}
rep(i,h)
{
f=0;
rep(j,w)
{
if(a[i][w-j-1]==1)
{
f=1;
}
else if(a[i][w-j-1]==-1) f=-1;
if(f==1) used[i][w-j-1]=1;
}
}
rep(j,w)
{
f=0;
rep(i,h)
{
if(a[h-i-1][j]==1)
{
f=1;
}
else if(a[h-i-1][j]==-1) f=-1;
if(f==1) used[h-i-1][j]=1;
}
}
rep(j,w)
{
f=0;
rep(i,h)
{
if(a[i][j]==1)
{
f=1;
}
else if(a[i][j]==-1) f=-1;
if(f==1) used[i][j]=1;
}
}
rep(i,h)
{
rep(j,w)
{
if(used[i][j]==1)
{
//cout << i << " " << j << endl ;
ans++;
}
}
}
cout << ans ;
return 0;
} | #include <bits/stdc++.h>
using namespace std;
#define ALL(c) (c).begin(),(c).end()
#define PB push_back
#define IN(x,c) (find(c.begin(),c.end(),x) != (c).end())
#define REP(i,n) for (int i=0;i<(int)(n);i++)
#define FOR(i,a,b) for (int i=(a);i<=(b);i++)
#define INIT(a,v) memset(a,v,sizeof(a))
#define SORT_UNIQUE(c) (sort(c.begin(),c.end()), c.resize(distance(c.begin(),unique(c.begin(),c.end()))))
template<class A, class B> A cvt(B x) { stringstream ss; ss<<x; A y; ss>>y; return y; }
#define SPC << " " <<
#define DEBUG(x) cerr << #x << " = "; cerr << x << endl;
#define DEBUG_ITER(x) cerr << #x << " = "; for (auto _ : x) cerr << _ << ' '; cerr << endl;
typedef pair<int,int> PII;
typedef long long int64;
typedef vector<int> VI;
typedef vector<PII> VII;
typedef vector<double> VD;
#define MOD 1000000007
/* Matrix operations */
typedef int64 Element;
typedef vector<Element> Row;
typedef vector<Row> Matrix;
Matrix zeros(int h, int w) {
return Matrix(h, Row(w));
}
Matrix identity(int n) {
Matrix c = zeros(n,n);
REP (i,n) c[i][i]=1;
return c;
}
Matrix transpose(const Matrix &a) {
int h=a[0].size(), w=a.size();
Matrix t = zeros(h, w);
REP (i,h) REP (j,w) t[i][j]=a[j][i];
return t;
}
Matrix operator+(const Matrix &a, const Matrix &b) {
int h=a.size(), w=a[0].size();
assert(a.size()==b.size() && a[0].size()==b[0].size());
Matrix c = zeros(h,w);
REP (i,h) REP (j,w) {
c[i][j]=a[i][j]+b[i][j];
c[i][j]%=MOD;
}
return c;
}
Matrix operator+(const Matrix &a, Element k) {
int h=a.size(), w=a[0].size();
Matrix c = a;
REP (i,h) REP (j,w) {
c[i][j]+=k;
c[i][j]%=MOD;
}
return c;
}
Matrix operator*(Element k, const Matrix &a) {
int h=a.size(), w=a[0].size();
Matrix c = a;
REP (i,h) REP (j,w) {
c[i][j]*=k;
c[i][j]%=MOD;
}
return c;
}
Matrix operator*(const Matrix &a, const Matrix &b) {
int h=a.size(), w=b[0].size();
assert(a[0].size()==b.size());
Matrix c = zeros(h,w);
REP (i,h) REP (j,w) {
REP (k,a[0].size()) {
c[i][j]+=a[i][k]*b[k][j];
c[i][j]%=MOD;
}
}
return c;
}
Matrix operator+(Element k, const Matrix &a) {
return a+k;
}
Matrix operator*(const Matrix &a, Element k) {
return k*a;
}
Matrix operator-(const Matrix &a, const Matrix &b) {
return a+(-1)*b;
}
Matrix mat_pow(const Matrix &a, int k) {
assert(a.size()==a[0].size());
if (k==0) return identity(a.size());
if (k%2==0) {
Matrix c=mat_pow(a,k/2);
return c*c;
} else {
Matrix c=mat_pow(a,k-1);
return c*a;
}
}
void mat_print(const Matrix &a) {
REP (i,a.size()) {
REP (j,a[i].size()) {
if (j!=0) cout << " ";
cout << a[i][j];
}
cout << endl;
}
}
int modPow(int a, int k, int m) {
if (k==0) return 1;
else if (k%2==0) {
int64 b=modPow(a,k/2,m);
return (b*b)%m;
} else {
int64 b=modPow(a,k-1,m);
return (a*b)%m;
}
}
int n,m,k;
int a[100];
int deg[100];
vector<int> adj[100];
int main() {
//freopen("test.in","r",stdin);
cin >> n >> m >> k;
REP (i,n) cin >> a[i];
Matrix A = zeros(n,n);
REP (i,m) {
int x,y;
cin >> x >> y;
x--; y--;
adj[x].PB(y); adj[y].PB(x);
deg[x]++; deg[y]++;
}
int64 inv_2m=modPow(2*m,MOD-2,MOD);
int64 inv_m=modPow(m,MOD-2,MOD);
REP (i,n) {
for (int j : adj[i]) {
A[i][j]=inv_2m; //1.0/(2*m);
A[i][i]=(A[i][i]+inv_2m)%MOD; //+=1.0/(2*m);
}
A[i][i]=(A[i][i]+(m-deg[i])*inv_m)%MOD;
}
Matrix v = zeros(n,1);
REP (i,n) v[i][0]=a[i];
Matrix Ak = mat_pow(A,k);
Matrix vk = Ak*v;
REP (i,n) {
cout << vk[i][0] << endl;
}
return 0;
}
|
#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
#define _GLIBCXX_DEBUG //gccで配列[]を使った時にバグを検出してくれる
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }
int main(void){
int n;
cin >> n;
vector<int> a(n);
int64_t cnt = 0;
for(int i = 0; i < n; i++){
cin >> a.at(i);
}
for(int i = 0; i < n; i++){
int x = 0;
if(a.at(i) > 10){
x = a.at(i) - 10;
}
cnt += x;
}
cout << cnt << endl;
} | #include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define eb emplace_back
#define mk make_pair
#define fi first
#define se second
#define mset(a, b) memset(a, b, sizeof(a))
using ll = long long;
using pii = pair<int, int>;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
template<class Ty> Ty randint(Ty a, Ty b) { return uniform_int_distribution<Ty>(a, b)(rng); }
template<class T> void DBG(T&& x) { cerr << x << " "; }
template<class T, class...Args> void DBG(T&& x, Args&&... args) { DBG(x); DBG(args...); }
#define DBG(...) { cerr << "[" << #__VA_ARGS__ << "]: "; DBG(__VA_ARGS__); cerr << endl; }
template<class num> inline void rd(num& x) { cin >> x; }
template <class Ty, class... Args> inline void rd(Ty& x, Args&... args) { rd(x); rd(args...); }
template<class num> inline void print(num&& x) { cout << x; }
template <class Ty, class... Args> inline void print(Ty&& x, Args&&... args) { print(x); print(' '); print(args...); }
#define print(...) print(__VA_ARGS__), print('\n')
inline void run_test(int test_number) {
int n, x; rd(n, x);
for (int i = 0; i < n; i++) {
int y; rd(y);
if (y != x) cout << y << " ";
}
cout << "\n";
}
int main() {
//#ifndef LOCAL_PC
// freopen("FILE.in", "r", stdin);
//#endif
ios::sync_with_stdio(false); cin.tie(nullptr);
int n_tests = 1;
for (int i = 1; i <= n_tests; i++) run_test(i);
} |
#include <iostream>
using namespace std;
int main() {
long long n;
cin >> n;
long long ans[n];
ans[0] = 1;
for(int i=1;i<n;i++) {
ans[i] = ans[i-1] * (n-i) / i;
}
/*for(int i=0;i<n;i++) {
cout << ans[i] << " ";
}
cout << endl;*/
cout << ans[11] << endl;
} | #include <bits/stdc++.h>
using namespace std;
using ll = long long;
using Graph=vector<vector<int>>;
const long long INF = 1ll << 60;
std::vector<std::vector<long long>> comb(int n, int r) {
std::vector<std::vector<long long>> v(n + 1,std::vector<long long>(n + 1, 0));
for (int i = 0; i < v.size(); i++) {
v[i][0] = 1;
v[i][i] = 1;
}
for (int j = 1; j < v.size(); j++) {
for (int k = 1; k < j; k++) {
v[j][k] = (v[j - 1][k - 1] + v[j - 1][k]);
}
}
return v;
}
int main(){
ll l;
cin>>l;
vector<vector<ll>> ans=comb(l,12);
cout<<ans[l-1][11]<<endl;
return 0;
} |
//g++ -std=gnu++14 a.cpp
// ./compile_run.sh
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <iostream>
#include <istream>
#include <iterator>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <vector>
#include <tuple>
#include <iomanip>
#include <random>
#include <math.h>
#include <stdio.h>
using namespace std;
#define ll long long
#define rep(i, n) for(ll i = 0; i < (n); i++)
#define revrep(i, n) for(ll i = (n)-1; i >=0; i--)
#define P pair<ll,ll>
#define pb push_back
ll MOD = 1e9 + 7;
int INF = 1 << 30;
ll INFL = 1LL << 60;
ll MODP = 998244353;
//const ll M = MOD;
template<typename __T__>
int len(vector<__T__> x){
return int(x.size());
}
template<typename __T__>
void vecout(vector<__T__> x){
rep(i, len(x)) cout << x[i] << " ";
cout << endl;
}
ll lmax(ll x,ll y){
if(x < y) return y;
else return x;
}
ll lmin(ll x, ll y){
if(x > y)return y;
else return x;
}
ll gen(ll x,ll y){
if(y == 0)return 1;
if(y == 1)return x%MOD;
if(y%2 == 1){
return ((x%MOD)*gen(x,y-1)%MOD)%MOD;
}else{
ll res = gen(x,y/2)%MOD;
return ((res%MOD)*(res%MOD))%MOD;
}
}
ll Factorial(ll x,ll y){ //xのy乗
if(y == 1) return x;
if(y == 0) return 1;
if(y%2 == 0){
ll res = Factorial(x,y/2);
return res*res;
}else{
return x*Factorial(x,y-1);
}
}
ll gcd(ll x, ll y){
if(x < y) swap(x,y);
if(y == 0) return x;
return gcd(y,x%y);
}
ll lcm(ll x,ll y){
ll s = gcd(x,y);
x /= s;
y /= s;
return x*y*s;
}
ll maxn = 1005;
vector<vector<ll>> to(maxn*(maxn-1)/2);
vector<vector<ll>> id(maxn,vector<ll>(maxn,0));
ll toid (ll i,ll j){ //iとjの試合に対応する頂点番号を返す関数
if(i > j)swap(i,j);
return id[i][j];
}
int len(string s, string t){
int dp[s.size()][t.size()];
rep(i,s.size()) rep(j,t.size()) dp[i][j] = 0;
ll res = 0;
rep(i,s.size()){
rep(j,t.size()) {
if(s[i] == t[j]){
if(i < 1 || j < 1){
dp[i][j] = 1;
}else{
dp[i][j] = dp[i-1][j-1] + 1;
}
}
res = lmax(res,dp[i][j]);
}
}
return res;
}
int main(){
string s;
cin >> s;
string ans = "";
ans += s[1];
ans += s[2];
ans += s[0];
cout << ans << endl;
return 0;
}
| #include<bits/stdc++.h>
#include <iostream>
#include <string>
#include <cmath>
#include <algorithm>
#include <stdlib.h>
#include <vector>
#include <set>
#include <cassert>
#include <numeric>
using namespace std;
#define rep(i,n) for(int i = 0; i < (int)n; i++)
using ll = long long;
#define ALL(a) (a).begin(),(a).end()
int main() {
ll N,n,ans=0,sum;
string s;
vector<ll> L;
cin >> s;
n = s.size();
s = s + s[0];
s.erase(0,1);
cout << s;
} |
#include <bits/stdc++.h>
using namespace std;
long long n;
vector<long long> v(2, 1);
vector<int> solve();
int main() {
for (int i = 2;; ++i) {
if (v[i - 2] + v[i - 1] >= 1e18) break;
v.push_back(v[i - 2] + v[i - 1]);
}
cin >> n;
auto res = solve();
cout << res.size() << endl;
for (auto p : res) cout << p << endl;
return 0;
}
vector<int> solve() {
vector<int> res;
long long rem = n;
for (int i = 86; i; --i) {
long long now = rem / v[i];
while (now--) res.push_back(1 + (i & 1));
rem %= v[i];
res.push_back(4 - (i & 1));
}
long long x = 0, y = 0;
for (auto p : res) {
if (p == 1)
++x;
else if (p == 2)
++y;
else if (p == 3)
x += y;
else
y += x;
}
assert(x == n);
assert(res.size() <= 130);
return res;
} | #include <bits/stdc++.h>
using namespace std;
long long X;
vector<long long> fibo = {0,1};
vector<int> ans = {1};
bitset<100> bs;
int main() {
scanf("%lld", &X);
while (fibo[fibo.size()-2] + fibo[fibo.size()-1] <= X) fibo.push_back(fibo[fibo.size()-2] + fibo[fibo.size()-1]);
int K = fibo.size();
X -= fibo.back();
while (X) {
while (fibo.back() > X) fibo.pop_back();
bs[fibo.size()] = true;
X -= fibo.back();
}
for (int i = 1; i < K-1; ++i) {
ans.push_back(3+i%2);
if (bs[K-i]) ans.push_back(1+i%2);
}
printf("%d\n", ans.size());
if (K % 2 == 0) {
for (int x: ans) printf("%d\n", x);
}
else {
for (int x: ans) {
if (x <= 2) printf("%d\n", 3-x);
else printf("%d\n", 7-x);
}
}
return 0;
}
|
#include <bits/stdc++.h>
#define mp make_pair
#define mt make_tuple
#define fi first
#define se second
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define forn(i, n) for (int i = 0; i < (int)(n); ++i)
#define for1(i, n) for (int i = 1; i <= (int)(n); ++i)
#define ford(i, n) for (int i = (int)(n) - 1; i >= 0; --i)
#define fore(i, a, b) for (int i = (int)(a); i <= (int)(b); ++i)
using namespace std;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<pii> vpi;
typedef vector<vi> vvi;
typedef long long i64;
typedef vector<i64> vi64;
typedef vector<vi64> vvi64;
typedef pair<i64, i64> pi64;
typedef double ld;
template<class T> bool uin(T &a, T b) { return a > b ? (a = b, true) : false; }
template<class T> bool uax(T &a, T b) { return a < b ? (a = b, true) : false; }
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout.precision(10);
cout << fixed;
#ifdef LOCAL_DEFINE
freopen("input.txt", "rt", stdin);
#endif
vi a(4);
forn(i, 4) cin >> a[i];
bool ok = false;
forn(mask, 1 << 4) {
int s = 0;
forn(i, 4) (s += a[i] * ((mask >> i) & 1 ? 1 : -1));
ok |= s == 0;
}
cout << (ok ? "Yes" : "No") << '\n';
#ifdef LOCAL_DEFINE
cerr << "Time elapsed: " << 1.0 * clock() / CLOCKS_PER_SEC << " s.\n";
#endif
return 0;
}
| #include <iostream>
#include <vector>
using namespace std;
int main(){
vector<int> v(4);
int sum = 0;
for(int i=0;i<4;i++){
cin >> v[i];
sum += v[i];
}
for(int i=1;i<16;i++){
int tsum = 0;
for(int j=0;j<4;j++){
if(i & (1<<j)){
tsum += v[j];
}
}
if(tsum == sum - tsum){
cout << "Yes" << endl;
return 0;
}
}
cout << "No" << endl;
return 0;
} |
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using PII = pair<ll, ll>;
#define FOR(i, a, n) for (ll i = (ll)a; i < (ll)n; ++i)
#define REP(i, n) FOR(i, 0, n)
#define ALL(x) x.begin(), x.end()
#define POPCOUNT(x) __builtin_popcount(x)
template <typename T> void chmin(T &a, const T &b) { a = min(a, b); }
template <typename T> void chmax(T &a, const T &b) { a = max(a, b); }
const ll INF = 1LL << 60;
struct FastIO {
FastIO() {
cin.tie(0);
ios::sync_with_stdio(0);
}
} fastiofastio;
const ll MOD = 1e9 + 7;
int main() {
int N;
cin >> N;
REP(i, N) { cout << (i * 2) % N + 1 << " " << (i * 2 + 1) % N + 1 << endl; }
} | #include<bits/stdc++.h>
#include<iostream>
#include<cstdio>
#include<algorithm>
#include<queue>
#include<vector>
#include<cstring>
#include<map>
#include<set>
#include<cstdlib>
#include<bitset>
using namespace std;
#define FAST ios::sync_with_stdio(false), cin.tie(0), cout.tie(0)
typedef long long ll;
ll siz[200005],par[200005];
ll mod=998244353;
ll find(ll x)
{
if(x==par[x]) return x;
else return par[x]=find(par[x]);
}
void unite(ll x,ll y)
{
x=find(x);y=find(y);
if(x==y) return;
if(siz[x]<=siz[y])
{
siz[y]+=siz[x];
par[x]=y;
}
else
{
siz[x]+=siz[y];
par[y]=x;
}
}
ll go[200005]={0};
int main(void)
{
ll n;
scanf("%lld",&n);
for(ll i=1;i<=n;i++) siz[i]=1,par[i]=i;
for(ll i=1;i<=n;i++)
{
ll u;
scanf("%lld",&u);
unite(i,u);
}
for(ll i=1;i<=n;i++)
{
go[find(i)]=1;
// printf("%lld %lld\n",i,find(i));
}
ll ans=0;
for(ll i=1;i<=n;i++) ans+=go[i];
ll an=1;
for(ll i=0;i<ans;i++)
{
an=an*2%998244353;
}
an=an-1;
an=an%mod+mod;
an=an%mod;
cout<<an;
} |
#include <bits/stdc++.h>
int main(){
int N;
std::cin >> N;
long A[N];
long ans;
long hoge;
ans =0;
hoge=0;
//std::cout <<"A: ";
for (int i=0;i<N;i++){
std::cin >> A[i];
// std::cout <<A[i] <<" ";
}
//std::cout <<std::endl;
std::sort(A,A+N);
//std::cout << ans << std::endl;
for (int i=N-1;i>=0;i--){
//std::cout << i << " "<< A[i] <<" "<<hoge ;
if (i==N-1){
hoge =0;
}
else{hoge = 2*hoge+A[i+1];}
hoge = hoge%998244353;
ans +=(A[i]*(A[i]+(int)hoge));
ans = ans%998244353;
//std::cout << " "<<hoge<<" "<<ans<<std::endl;
}
std::cout << ans%998244353 << std::endl;
}
| #include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define ALL(v) (v).begin(), (v).end()
using ll = long long;
constexpr int INF = 1e9;
constexpr long long LINF = 1e18;
constexpr long long MOD = 1e9 + 7;
/*
実行時MODint :
template <int& MOD = 1000000007>
static int MOD;
cin >> MOD;
*/
template <int MOD = 1000000007>
struct Mint {
int x;
constexpr Mint() : x(0) {}
constexpr Mint(long long t)
: x(t >= 0 ? (t % MOD) : (MOD - (-t) % MOD) % MOD) {}
Mint pow(int n) {
Mint res(1), t(x);
while (n > 0) {
if (n & 1) res *= t;
t *= t;
n >>= 1;
}
return res;
}
Mint inv() const {
int a = x, b = MOD, u = 1, v = 0, t;
while (b > 0) {
t = a / b;
a -= t * b;
swap(a, b);
u -= t * v;
swap(u, v);
}
return Mint(u);
}
Mint &operator+=(Mint a) {
x += a.x;
if (x >= MOD) x -= MOD;
return *this;
}
Mint &operator-=(Mint a) {
x += MOD - a.x;
if (x >= MOD) x -= MOD;
return *this;
}
Mint &operator*=(Mint a) {
x = int(1LL * x * a.x % MOD);
return *this;
}
Mint &operator/=(Mint a) {
return (*this) *= a.inv();
}
Mint operator+(Mint a) const {
return Mint(x) += a;
}
Mint operator-(Mint a) const {
return Mint(x) -= a;
}
Mint operator*(Mint a) const {
return Mint(x) *= a;
}
Mint operator/(Mint a) const {
return Mint(x) /= a;
}
Mint operator-() const {
return Mint(-x);
}
bool operator==(const Mint a) {
return x == a.x;
}
bool operator!=(const Mint a) {
return x != a.x;
}
bool operator<(const Mint a) {
return x < a.x;
}
friend ostream &operator<<(ostream &os, const Mint &a) {
return os << a.x;
}
friend istream &operator>>(istream &is, Mint &a) {
int t;
is >> t;
a = Mint<MOD>(t);
return (is);
}
};
signed main() {
int n;
cin >> n;
char caa, cab, cba, cbb;
cin >> caa >> cab >> cba >> cbb;
if (n <= 3) {
cout << 1 << endl;
return 0;
}
if ((cab == 'A' && caa == 'A') || (cab == 'B' && cbb == 'B')) {
cout << 1 << endl;
return 0;
}
if ((cab == 'A' && caa == 'B' && cba == 'A') ||
(cab == 'B' && cbb == 'A' && cba == 'B')) {
Mint<> dp[n][2];
dp[0][0] = 1;
rep(i, n - 1) {
dp[i + 1][0] += dp[i][1];
dp[i + 1][1] += (dp[i][0] + dp[i][1]);
}
cout << dp[n - 1][1] << endl;
return 0;
}
cout << Mint<>(2).pow(n - 3) << endl;
return 0;
} |
#include<cstdio>
#include<cctype>
#include<algorithm>
#include<cstring>
#include<cmath>
// Standard iostream objects -*- C++ -*-
// Copyright (C) 1997-2014 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
/** @file include/iostream
* This is a Standard C++ Library header.
*/
//
// ISO C++ 14882: 27.3 Standard iostream objects
//
#ifndef _GLIBCXX_IOSTREAM
#define _GLIBCXX_IOSTREAM 1
#pragma GCC system_header
#include <bits/c++config.h>
#include <ostream>
#include <istream>
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
/**
* @name Standard Stream Objects
*
* The <iostream> header declares the eight <em>standard stream
* objects</em>. For other declarations, see
* http://gcc.gnu.org/onlinedocs/libstdc++/manual/io.html
* and the @link iosfwd I/O forward declarations @endlink
*
* They are required by default to cooperate with the global C
* library's @c FILE streams, and to be available during program
* startup and termination. For more information, see the section of the
* manual linked to above.
*/
//@{
extern istream cin; /// Linked to standard input
extern ostream cout; /// Linked to standard output
extern ostream cerr; /// Linked to standard error (unbuffered)
extern ostream clog; /// Linked to standard error (buffered)
#ifdef _GLIBCXX_USE_WCHAR_T
extern wistream wcin; /// Linked to standard input
extern wostream wcout; /// Linked to standard output
extern wostream wcerr; /// Linked to standard error (unbuffered)
extern wostream wclog; /// Linked to standard error (buffered)
#endif
//@}
// For construction of filebuffers for cout, cin, cerr, clog et. al.
static ios_base::Init __ioinit;
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace
#endif /* _GLIBCXX_IOSTREAM */
#define R register
using namespace std;
using namespace std;
typedef long long ll;
const int N =111111;
int n, a[N],p[]={0, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 0, 0};
ll ans;
void dfs(int k,ll b)
{
if(!p[k])
{
int i=1;
for(i=1;i<=n;i++)
if(__gcd(b,(ll)a[i])==1)
break;
if(i==n+1)
{
if(!ans)
ans=b;
else ans=min(ans,b);
}
}
else
dfs(k+1,b),dfs(k+1,b*p[k]);
}
int main()
{
cin>>n;
for(int i=1;i<=n;i++)
cin>>a[i];
dfs(1,1);
cout<<ans;
return 0;
}
| //Bismillahir Rahmanir Raheem
#include<bits/stdc++.h>
using namespace std;
typedef pair<int,int>pii;
#define sf(x) scanf("%d",&x)
#define sfl(x) scanf("%lld",&x)
#define lli long long int
#define ll64 int64_t
#define pb push_back
#define fio ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define frr(i,a) for(int i=0;i<a;i++)
#define frl(i,a) for(lli i=0;i<a;i++)
#define fr1(i,a) for(int i=1;i<=a;i++)
#define iter(x) x.begin(),x.end()
#define Memset(a,x,n) for(int i=0;i<n;i++)a[i]=x;
#define fi first
#define si second
//lower_bound returns an iterator pointing to the first element in the range [first,last) which has a value not less than ‘val’.
//upper_bound returns an iterator pointing to the first element in the range [first,last) which has a value greater than ‘val’.
typedef pair<lli,lli>pll;
bool isp[102];
const lli mx=50ll;
vector<lli>prime;
void sieve()
{
memset(isp,1,sizeof(isp));
isp[0]=isp[1]=0;
for(int i=4;i<=mx;i+=2)
{
isp[i]=0;
}
for(int i=3;i*i<=mx;i+=2)
{
if(isp[i])
{
for(int j=i*i;j<=mx;j+=i)
{
isp[j]=0;
}
}
}
for(lli i=2;i<=mx;i++)
{
if(isp[i])
{
prime.pb(i);
//cout<<i<<" ";
}
}
//cout<<endl;
}
void solve()
{
sieve();
lli n;
lli ans=-1;
//cout<<"ans = "<<ans<<endl;
cin>>n;
lli a[n];
frr(i,n)
{
cin>>a[i];
}
for(int i=0;i<(1<<15);i++)
{
lli res=1ll;
bool ok=true;
//cout<<"i = "<<i<<endl;
for(int j=0;j<15;j++)
{
if((i&(1<<j)))
{
//cout<<prime[j]<<" ";
res*=prime[j];
}
}
//cout<<endl;
for(int j=0;j<n;j++)
{
if(__gcd(a[j],res)==1)
{
ok=false;
}
}
if(ok)
{
//cout<<"res = "<<res<<endl;
if(ans==-1)
{
ans=res;
}
else
ans=min(ans,res);
}
}
cout<<ans<<endl;
}
int main()
{
int t;
t=1;
while(t--)
{
solve();
}
}
|
#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
#define sz(x) (ll)x.size()
#define m1(x) memset(x, 1, sizeof(x))
#define m0(x) memset(x, 0, sizeof(x))
#define inf(x) memset(x, 0x3f, sizeof(x))
#define flout cout << fixed << setprecision(12)
#define MOD 1000000007
int main() {
int n, m;
cin >> n >> m;
int a[m], b[m];
for (int i = 0; i < m; i ++) {
cin >> a[i] >> b[i];
a[i]--;
b[i]--;
}
int k;
cin >> k;
int c[k], d[k];
for (int i = 0; i < k; i ++) {
cin >> c[i] >> d[i];
c[i]--;
d[i]--;
}
bool cur[n];
int ans = 0;
for (int i = 0; i < (1 << k); i ++) {
m0(cur);
for (int j = 0; j < k; j ++) {
if ((1 << j) & i) {
cur[d[j]] = true;
}
else {
cur[c[j]] = true;
}
}
int counter = 0;
for (int i = 0; i < m; i ++) {
if (cur[a[i]] && cur[b[i]]) {
counter ++;
}
}
ans = max(ans, counter);
}
cout << ans << endl;
} | #include <algorithm>
#include <bitset>
#include <cassert>
#include <chrono>
#include <climits>
#include <cmath>
#include <complex>
#include <cstring>
#include <deque>
#include <functional>
#include <iostream>
#include <iomanip>
#include <list>
#include <map>
#include <numeric>
#include <queue>
#include <random>
#include <set>
#include <stack>
#include <unordered_map>
#include <unordered_set>
#include <vector>
#include <cstdint>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef pair<int,int> pii;
#define MP make_pair
#define PB push_back
#define inf 1000000007
#define rep(i,n) for(int i = 0; i < (int)(n); ++i)
#define all(x) (x).begin(),(x).end()
template<typename A, size_t N, typename T>
void Fill(A (&array)[N], const T &val){
std::fill( (T*)array, (T*)(array+N), val );
}
template<class T> inline bool chmax(T &a, T b){
if(a<b){
a = b;
return true;
}
return false;
}
template<class T> inline bool chmin(T &a, T b){
if(a>b){
a = b;
return true;
}
return false;
}
#define int long long
signed main(){
int n,k;
cin >> n >> k;
vector<int> a(n);
rep(i,n) cin >> a[i];
sort(all(a));
vector<int>c(n+1);
c[0] = k;
rep(i,n){
if(c[a[i]]>0){
c[a[i]]--;
c[a[i]+1]++;
}
}
ll sm = 0;
rep(i,n+1){
sm += c[i]*(ll)i;
}
cout << sm << endl;
return 0;
} |
#include<bits/stdc++.h>
//#pragma GCC optimize("O2")
//#pragma GCC optimize ("unroll-loops")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#define mp make_pair
#define pb push_back
#define pll pair<LL,LL>
#define pii pair<int,int>
#define y second
#define x first
#define LL long long
#define ULL unsigned long long
#define sqr(x) ((x)*(x))
#define pi acos(-1)
#define pdd pair<double,double>
#define MEM(x) memset(x,0,sizeof(x))
#define MEMS(x) memset(x,-1,sizeof(x))
using namespace std;
int dp[2][3005][3005];
int mod=998244353;
int DP(int op,int x,int y){
if(y>x)return 0;
if(op==0&&y==x)return 1;
if(x==0&&y==0)return 1;
if(y<=0)return 0;
if(x<0)return 0;
if(dp[op][x][y]!=-1)return dp[op][x][y];
if(op==0){
if(y==0)return 0;
dp[0][x][y]=DP(1,x,y);
}
if(op==1){
dp[1][x][y]=(DP(0,x,y*2)+DP(1,x-1,y-1))%mod;
}
// printf("%d %d %d %d\n",op,x,y,dp[op][x][y]);
return dp[op][x][y];
}
void solve(){
int n,k;
scanf("%d %d",&n,&k);
MEMS(dp);
printf("%lld\n",DP(0,n,k));
}
int main(){
int t=1;
while(t--){
solve();
}
}
/*
11 4 12
1 1 1 1
AABB
.AB.
CCDD
.CD.
EEFF
.EF.
GGHH
.GH.
IIJJ
.IJ.
KKLL
12
0 0
0 -13
3 -13
3 -10
10 -10
10 10
-1 10
-1 13
-4 13
-4 10
-10 10
-10 0
*/ | #include <cstdio>
#include <string>
#include <iostream>
#include <cmath>
#include <algorithm>
#include <vector>
#include <set>
#include <unordered_set>
#include <map>
#include <unordered_map>
#include <tuple>
#define max(l,r) ((l)>(r)?(l):(r))
#define min(l,r) ((l)<(r)?(l):(r))
#define rep(i,s,l) for(int i=(int)s;i<(int)l;++i)
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }
const long long INF = 1LL<<60;
const long long MOD = 1000000007;
int main() {
int n,k;
cin >> n >> k;
ll ans = 0LL;
rep(i,1,n+1) {
rep(j,1,k+1) {
ans += i*100+j;
}
}
cout << ans << endl;
} |
#include <bits/stdc++.h>
//#define DEBUG
#define REP(i, nn ) for(int i = 0 ; i < (int) nn; i++)
#define deb(x) std::cout << #x << " " << x << endl;
#define debl(x) std::cout << #x << " " << x << " ";
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vl;
template<typename... T>
void read(T& ... a){
((cin >> a),...);
}
template<typename... T>
void write(T... a){
((cout << a << "\n"),...);
}
template<typename... T>
void write_space(T... a){
((cout << a << " "),...);
}
const string s = "110";
const int sz = s.size();
constexpr ll L = 3e10;
void solve(){
ll n ;
cin >>n;
string t;
cin >> t;
if( n == 1){
if(t[0] == '1'){
cout << 2 * L / 3 << endl;
}else{
cout << L / 3 << endl;
}
return;
}
bool match;
int start = -1;
for(start = 0 ; start < sz; start++){
match = true;
for(int i = 0 ; i < (int) t.size(); i++){
int j = (i + start) % sz;
if( t[i] != s[j]){
match = false;
break;
}
}
if(match) break;
}
if(match == false){
cout << 0 << endl;
}else{
assert(start >= 0);
ll end = L - n;
// debl(start) deb(end)
ll ans = end / 3;
if(end % 3 >= start){
ans++;
}
cout << ans << endl;
}
}
int main()
{
//making data IO Fast
std::ios_base::sync_with_stdio(false);
std::cin.tie(NULL);
/****************************/
solve();
return 0;
}
| #include <iostream>
#include <vector>
#include <climits>
#include <algorithm>
#include <cmath>
#include <map>
#include <set>
#include <string>
#include <bitset>
#include <utility>
#include <numeric>
#include <queue>
#include <stack>
#include <functional>
#include <iomanip>
using ll = long long;
using namespace std;
constexpr int MOD = 1e9 + 7;
constexpr ll MOD_LL = ll(1e9 + 7);
constexpr int INF = (1 << 30);
//constexpr ll INF = (1LL << 60);
int main(void) {
ll n;
string t;
cin >> n >> t;
ll ans = 0LL;
if( n == 1 ) {
if( t == "1" ) {
ans = 2LL * 1e10;
} else {
ans = 1e10;
}
} else if( n == 2 && t == "11" ) {
ans = 1e10;
} else {
bool f = true;
int num_zero = 0;
for(int i = 0; i < n; ++i) {
if( i < n - 1 ) {
string tmp = t.substr(i, 2);
if( tmp == "00" ) {
f = false;
break;
}
}
if( t[i] == '0' ) num_zero++;
}
for(int i = 0; i < n - 2; ++i) {
string tmp = t.substr(i, 3);
if( tmp == "111" || tmp == "010" ) {
f = false;
break;
}
}
if( f ) {
if( t.back() == '0' ) {
ans = 1e10 - num_zero + 1;
} else {
ans = 1e10 - num_zero;
}
}
}
cout << ans << endl;
return 0;
}
|
/*
Author: QAQAutoMaton
Lang: C++
Code: B.cpp
Mail: [email protected]
Blog: https://www.qaq-am.com/
*/
#include<bits/stdc++.h>
#define debug(qaq...) fprintf(stderr,qaq)
#define DEBUG printf("Passing [%s] in LINE %d\n",__FUNCTION__,__LINE__)
#define Debug debug("Passing [%s] in LINE %d\n",__FUNCTION__,__LINE__)
#define all(x) x.begin(),x.end()
#define x first
#define y second
#define unq(a) sort(all(a)),a.erase(unique(all(a)),a.end())
using namespace std;
typedef unsigned uint;
typedef long long ll;
typedef unsigned long long ull;
typedef complex<double> cp;
typedef pair<int,int> pii;
int inf;
const double eps=1e-8;
const double pi=acos(-1.0);
template<class T,class T2>int chkmin(T &a,T2 b){return a>b?a=b,1:0;}
template<class T,class T2>int chkmax(T &a,T2 b){return a<b?a=b,1:0;}
template<class T>T sqr(T a){return a*a;}
template<class T,class T2>T mmin(T a,T2 b){return a<b?a:b;}
template<class T,class T2>T mmax(T a,T2 b){return a>b?a:b;}
template<class T>T aabs(T a){return a<0?-a:a;}
template<class T>int dcmp(T a,T b){return a>b;}
template<int *a>int cmp_a(int x,int y){return a[x]<a[y];}
template<class T>bool sort2(T &a,T &b){return a>b?swap(a,b),1:0;}
#define min mmin
#define max mmax
#define abs aabs
struct __INIT__{
__INIT__(){
fill((unsigned char*)&inf,(unsigned char*)&inf+sizeof(inf),0x3f);
}
}__INIT___;
namespace io {
const int SIZE = (1 << 21) + 1;
char ibuf[SIZE], *iS, *iT, obuf[SIZE], *oS = obuf, *oT = oS + SIZE - 1, c, qu[55]; int f, qr;
// getchar
#define gc() (iS == iT ? (iT = (iS = ibuf) + fread (ibuf, 1, SIZE, stdin), (iS == iT ? EOF : *iS ++)) : *iS ++)
// print the remaining part
inline void flush () {
fwrite (obuf, 1, oS - obuf, stdout);
oS = obuf;
}
// putchar
inline void putc (char x) {
*oS ++ = x;
if (oS == oT) flush ();
}
template<typename A>
inline bool read (A &x) {
for (f = 1, c = gc(); c < '0' || c > '9'; c = gc()) if (c == '-') f = -1;else if(c==EOF)return 0;
for (x = 0; c <= '9' && c >= '0'; c = gc()) x = x * 10 + (c & 15); x *= f;
return 1;
}
inline bool read (char &x) {
while((x=gc())==' '||x=='\n' || x=='\r');
return x!=EOF;
}
inline bool read(char *x){
while((*x=gc())=='\n' || *x==' '||*x=='\r');
if(*x==EOF)return 0;
while(!(*x=='\n'||*x==' '||*x=='\r'||*x==EOF))*(++x)=gc();
*x=0;
return 1;
}
template<typename A,typename ...B>
inline bool read(A &x,B &...y){
return read(x)&&read(y...);
}
template<typename A>
inline bool write (A x) {
if (!x) putc ('0'); if (x < 0) putc ('-'), x = -x;
while (x) qu[++ qr] = x % 10 + '0', x /= 10;
while (qr) putc (qu[qr --]);
return 0;
}
inline bool write (char x) {
putc(x);
return 0;
}
inline bool write(const char *x){
while(*x){putc(*x);++x;}
return 0;
}
inline bool write(char *x){
while(*x){putc(*x);++x;}
return 0;
}
template<typename A,typename ...B>
inline bool write(A x,B ...y){
return write(x)||write(y...);
}
//no need to call flush at the end manually!
struct Flusher_ {~Flusher_(){flush();}}io_flusher_;
}
using io :: read;
using io :: putc;
using io :: write;
int fpm(int a,int b,int p){
a%=p;
int c=1;
for(;b;b>>=1,a=a*a%p)if(b&1)c=c*a%p;
return c;
}
int xfpm(int a,int b){
if(a==1||(a<4 && b==1))return fpm(a,b,4);
else return fpm(a,b,4)+4;
}
signed main(){
#ifdef QAQAutoMaton
freopen("B.in","r",stdin);
freopen("B.out","w",stdout);
#endif
int a,b,c;
read(a,b,c);
a%=10;
/*for(int i=1;i<10;++i){
write(i,i*i%10,i*i*i%10,i*i*i*i%10,i*i*i*i*i%10,'\n');
}*/
write(fpm(a,xfpm(b,c),10),'\n');
return 0;
}
|
#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;
ll quickpow(ll a,ll b,ll mod)
{
ll res=1;
while(b)
{
if(b&1)
{
res=res*a%mod;
}
b=b/2;
a=a*a%mod;
}
return res%mod;
}
int aa[10][10];
int main()
{
aa[0][0]=1;aa[0][1]=1;
aa[1][0]=4;aa[1][1]=2;aa[1][2]=4;aa[1][3]=8;aa[1][4]=6;
aa[2][0]=4;aa[2][1]=3;aa[2][2]=9;aa[2][3]=7;aa[2][4]=1;
aa[3][0]=2;aa[3][1]=4;aa[3][2]=6;
aa[4][0]=1;aa[4][1]=5;
aa[5][0]=1;aa[5][1]=6;
aa[6][0]=4;aa[6][1]=7;aa[6][2]=9;aa[6][3]=3;aa[6][4]=1;
aa[7][0]=4;aa[7][1]=8;aa[7][2]=4;aa[7][3]=2;aa[7][4]=6;
aa[8][0]=2;aa[8][1]=9;aa[8][2]=1;
ll x,y,z;
cin>>x>>y>>z;
int t1=z%10;
int t2=y%10;
int t3=x%10;
if(t3==0){printf("0\n");return 0;}
ll t4= quickpow(y,z,aa[t3-1][0]);
//printf("%d %d\n",t3-1,t4);
//printf("%d %d\n",aa[t3-1][t4],aa[1][0]);
if(t4==0){t4=aa[t3-1][0];}
int ans=aa[t3-1][t4];
printf("%d",ans);
return 0;
}
|
#include<bits/stdc++.h>
using namespace std;
#define int long long int
#define mp(a,b) make_pair(a,b)
#define vi vector<int>
#define mii map<int,int>
#define mpi map<pair<int,int>,int>
#define vp vector<pair<int,int> >
#define pb(a) push_back(a)
#define fr(i,n) for(i=0;i<n;i++)
#define rep(i,a,n) for(i=a;i<n;i++)
#define F first
#define S second
#define endl "\n"
#define fast std::ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define mod 1000000007
#define dom 998244353
#define pi 3.14159265
#define sl(a) (int)a.length()
#define sz(a) (int)a.size()
#define all(a) a.begin(),a.end()
#define pii pair<int,int>
#define mini 2000000000000000000
#define time_taken 1.0 * clock() / CLOCKS_PER_SEC
//mt19937_64 mt(chrono::steady_clock::now().time_since_epoch().count());
//primes for hashing 937, 1013
template<typename T, typename U> static inline void amin(T &x, U y)
{
if (y < x)
x = y;
}
template<typename T, typename U> static inline void amax(T &x, U y)
{
if (x < y)
x = y;
}
void shikhar7s(int cas)
{
int x,y;
cin>>x>>y;
if(!x)
cout<<y<<endl;
else if(x>0)
{
if(y<3)
cout<<y+1<<endl;
else
cout<<y+min(2*x,y)-1<<endl;
}
else
{
if(y<3)
cout<<y+1<<endl;
else
cout<<y+min(1-2*x,y)-1<<endl;
}
}
signed main()
{
fast;
//freopen("input.txt", "rt", stdin);
//freopen("output.txt", "wt", stdout);
int t=1;
//cin>>t;
int cas=1;
while(cas<=t)
{
shikhar7s(cas);
cas++;
}
return 0;
} | #include <bits/stdc++.h>
using namespace std;
int _ = (cout << fixed << setprecision(9), cin.tie(0), ios::sync_with_stdio(0));
using Int = long long;
int main() {
Int B, C; cin >> B >> C;
vector<pair<Int, Int>> sec;
sec.emplace_back(B - C/2, B);
sec.emplace_back(-B - (C-1)/2, -B);
sec.emplace_back(-B, -B + (C-1)/2);
sec.emplace_back(B, B + (C-2)/2);
Int ans = 0, rmax = LLONG_MIN;
sort(begin(sec), end(sec));
for (auto [l, r] : sec) {
l = max(l, rmax + 1);
ans += r - l + 1;
rmax = max(rmax, r);
}
cout << ans << endl;
return 0;
} |
#include <bits/stdc++.h>
using namespace std;
int main (){
int a[2][2];
for(int i = 0 ; i<2;i++){
for(int j = 0 ; j<2;j++){
cin >> a[i][j];;
}
}
cout << (a[0][0]*a[1][1])-(a[0][1]*a[1][0]);
} | #include<bits/stdc++.h>
using namespace std;
using ll = long long;
#define _overload3(_1,_2,_3,name,...) name
#define _rep(i,n) repi(i,0,n)
#define repi(i,a,b) for(int i=int(a);i<int(b);++i)
#define rep(...) _overload3(__VA_ARGS__,repi,_rep,)(__VA_ARGS__)
#define ALL(x) (x).begin(),(x).end()
template<class T>bool umax(T &a, const T &b) {if(a<b){a=b;return 1;}return 0;}
template<class T>bool umin(T &a, const T &b) {if(b<a){a=b;return 1;}return 0;}
#ifdef LOCAL
void _debug_out() { cerr << endl; }
template <typename Head, typename... Tail>
void _debug_out(Head H, Tail... T) { cerr << " " << to_string(H); _debug_out(T...); }
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", _debug_out(__VA_ARGS__)
#define eprintf(...) fprintf(stderr, __VA_ARGS__)
#else
#define debug(...) 42
#define eprintf(...) 42
#endif
int main() {
int a,b,c,d; cin >> a >> b >> c >> d;
cout << a*d-b*c<<endl;
}
|
#include <bits/stdc++.h>
using namespace std;
#define int long long int
#define endl "\n"
#define aashish_999 ios_base::sync_with_stdio(false);cin.tie(NULL)
void solve()
{
//read the question properly
string s;
cin >> s;
string f, r;
f = r = "";
bool flag = false;
int cnt = 0;
for (auto i : s) {
if (i == 'R')
flag = !flag, ++cnt;
else if (flag)
r += i;
else
f += i;
}
string final;
if (cnt % 2 == 0)
reverse(r.begin(), r.end()), final = r + f;
else reverse(f.begin(), f.end()), final = f + r;
string ans = "";
for (int i = 0; i < final.length(); i++) {
if (ans.empty()) {
ans += final[i];
continue;
}
if (ans.back() == final[i]) {
ans.pop_back();
}
else ans.push_back(final[i]);
}
cout << ans;
}
int32_t main()
{
aashish_999;
int testcases = 1;
//cin >> testcases;
while (testcases--)
{
solve();
}
} | #define _USE_MATH_DEFINES
#include <iostream>
#include <cstring>
#include <regex>
#include <cmath>
#include <algorithm>
#include <vector>
#include <list>
#include <map>
#include <unordered_set>
#include <queue>
#include <unordered_map>
#include <set>
#include <cassert>
#include <climits>
#pragma GCC optimize("O3")
using namespace std;
using ll = long long;
using ull = unsigned long long;
#define rep(i, n) for(ll i = 0, i##_len = (n); i < i##_len; ++i)
#define repd(i, n) for(ll i = (n) - 1ll; i >= 0; --i)
#define FOR(i, a, b) for(ll i = a; i < ll(b); ++i)
#define FORD(i, a, b) for(ll i = a; i > ll(b); --i)
#define foreach(i, itr) for(auto& i : (itr))
#define asort(arr, size) std::sort(arr, arr + size)
#define dsort(arr, size) std::sort(arr, arr + size, [](auto a, auto b) { return a > b; })
#define cauto const auto&
#define bit(n) (1LL << (n))
////////////////////////////////////
// ここから下に任意のコードを書く //
////////////////////////////////////
int main() {
string S;
cin >> S;
deque<char> T;
bool R = false;
rep(i, S.size()) {
if (S[i] == 'R') {
R = !R;
}
else if (T.empty()) {
T.push_back(S[i]);
}
else if (R) {
if (T.front() == S[i]) {
T.pop_front();
}
else {
T.push_front(S[i]);
}
}
else {
if (T.back() == S[i]) {
T.pop_back();
}
else {
T.push_back(S[i]);
}
}
}
if (R) {
for_each(T.rbegin(), T.rend(), [](char c) { cout << c; });
}
else {
for (char c : T) {
cout << c;
}
}
cout << endl;
return 0;
}
//ll abi[5000][5];
//ll dp[5000][3][5];
//
//ll getPower(int index) {
// ll res = INT_MAX;
// rep(i, 3) {
// ll mx = 0;
// rep(j, 5) {
// mx = max(mx, dp[index][i][j]);
// }
// res = min(res, mx);
// }
// return res;
//}
//
//int main()
//{
// int N;
// cin >> N;
// rep(i, N) cin >> abi[i][0] >> abi[i][1] >> abi[i][2] >> abi[i][3] >> abi[i][4];
//
// dp[0][0][0] = abi[0][0];
// dp[0][0][1] = abi[0][1];
// dp[0][0][2] = abi[0][2];
// dp[0][0][3] = abi[0][3];
// dp[0][0][4] = abi[0][4];
// FOR(i, 1, N) {
// int index = -1;
// rep(j, 3) {
// rep(k, 5) {
// dp[i][j][k] = dp[i - 1][j][k];
// }
// }
// ll res = INT_MAX;
// rep(j, 3) {
// ll mx = 0;
// rep(k, 5) {
// mx = max(mx, dp[i][j][k]);
// }
// res = min(res, mx);
// }
// }
//
// return 0;
//}
|
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
using pll = pair<ll,ll>;
using pld = pair<ld,ld>;
using vll = vector<ll>;
using vld = vector<ld>;
using vstr = vector<string>;
#define _GLIBCXX_DEBUG
#define rep(j, m) for (ll j = 0; j < (ll)(m); j++)
#define rep2(i, l, n) for (ll i = l; i < (ll)(n); i++)
#define all(v) v.begin(), v.end()
const ld PI = 3.1415926535897932;
const ll MOD = 1000000007;
const ll MOD2 = 998244353;
vll dx = {-1,0,1,0};
vll dy = {0,-1,0,1};
vll Dx = {-1,-1,-1,0,0,1,1,1};
vll Dy = {-1,0,1,-1,1,-1,0,1};
const ll INF = 1000000000000000;
int main() {
ll N;
cin >> N;
vector<pll> X(N);
vector<pll> Y(N);
rep(i,N) {
cin >> X[i].first >> Y[i].first;
X[i].second = i;
Y[i].second = i;
}
sort(all(X));
sort(all(Y));
ll x1 = X[N - 1].first - X[0].first;
ll y1 = Y[N - 1].first - Y[0].first;
ll x21 = X[N - 2].first - X[0].first;
ll y21 = Y[N - 2].first - Y[0].first;
ll x22 = X[N - 1].first - X[1].first;
ll y22 = Y[N - 1].first - Y[1].first;
if (x1 > y1) {
if ((X[N - 1].second == Y[N - 1].second && X[0].second == Y[0].second)||
(X[N - 1].second == Y[0].second && X[0].second == Y[N - 1].second)) {
cout << max(max(x21,x22),max(y21,y22)) << endl;
}
else {
cout << max(x21,max(x22,y1)) << endl;
}
}
else {
if ((X[N - 1].second == Y[N - 1].second && X[0].second == Y[0].second)||
(X[N - 1].second == Y[0].second && X[0].second == Y[N - 1].second)) {
cout << max(max(x21,x22),max(y21,y22)) << endl;
}
else {
cout << max(x1,max(y21,y22)) << endl;
}
}
}
| #include <bits/stdc++.h>
using namespace std;
#define il inline
#define re register
#define rep(i, s, e) for (re int i = s; i <= e; ++i)
#define drep(i, s, e) for (re int i = s; i >= e; --i)
#define file(a) freopen(#a".in", "r", stdin), freopen(#a".out", "w", stdout)
const int mod = 998244353;
const int inv2 = (mod + 1) >> 1;
const int N = 200010;
il int read() {
int x = 0; bool f = true; char c = getchar();
while (!isdigit(c)) {if (c == '-') f = false; c = getchar();}
while (isdigit(c)) x = (x << 1) + (x << 3) + (c ^ 48), c = getchar();
return f ? x : -x;
}
il int inc(int a, int b) { return (a += b) >= mod ? a - mod : a; }
il int dec(int a, int b) { return (a -= b) < 0 ? a + mod : a; }
il int mul(int a, int b) { return 1ll * a * b % mod; }
int inv[N];
il void init(int w) {
inv[1] = 1;
rep(i, 2, w) inv[i] = mod - mul(mod / i, inv[mod % i]);
}
int n, m, f[N];
int tot, p[N], minv[N];
bool isnp[N];
il void filt() {
f[1] = 1;
rep(i, 2, m) {
if (!isnp[i]) p[++tot] = i, f[i] = n, minv[i] = 1;
for (re int j = 1; j <= tot && i * p[j] <= m; ++j) {
isnp[i * p[j]] = true;
if (i % p[j]) f[i * p[j]] = mul(f[i], n), minv[i * p[j]] = 1;
else { f[i * p[j]] = mul(f[i], mul(n + minv[i], inv[minv[i] + 1])), minv[i * p[j]] = minv[i] + 1; break; }
}
}
}
int main() {
n = read(), m = read(), init(200000);
filt();
int ans = 0;
rep(i, 1, m) ans = inc(ans, f[i]);
printf("%d\n", ans);
return 0;
} |
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define rep(i,n) for(int (i)=0;(i)<(n);(i)++)
#define Pr pair<ll,ll>
#define Tp tuple<ll,ll,ll>
using Graph = vector<vector<int>>;
ll mod = 1000000007;
int main() {
ll N; cin >> N;
vector<char> col = {'R','G','B'};
vector<vector<ll>> cute(3);
rep(i,2*N){
ll a; char c; cin >> a >> c;
rep(j,3){
if(c==col[j]) cute[j].push_back(a);
}
}
bool even[3];
rep(i,3){
cute[i].push_back(2e18);
cute[i].push_back(-2e18);
sort(cute[i].begin(),cute[i].end());
if(cute[i].size()%2==0) even[i] = true;
else even[i] = false;
}
if(even[0]&&even[1]&&even[2]){
cout << 0 << endl; return 0;
}
ll md[3];
rep(i,3) md[i] = 2e18;
rep(i,3){
rep(j,3){
if(i<=j) continue;
int k = 3-i-j;
int M = cute[i].size()-2;
for(int l=1;l<=M;l++){
ll c = cute[i][l];
int s = lower_bound(cute[j].begin(),cute[j].end(),c)-cute[j].begin();
md[k] = min({md[k],abs(c-cute[j][s]),abs(c-cute[j][s-1])});
}
}
}
ll ans = 2e18;
rep(i,3){
if(even[i]) ans = min(ans,md[i]);
//cout << md[i] << endl;
rep(j,3){
if(i<=j) continue;
if(!even[i]&&!even[j]) ans = min(ans,md[i]+md[j]);
}
}
cout << ans << endl;
} | #include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include "debug.h"
#else
#define deb(...)
#endif
#define endl "\n"
#define pb push_back
#define int long long
#define ll long long
#define pii pair<int,int>
#define F first
#define S second
#define all(c) c.begin(),c.end()
#define read(v) for(auto &it:v) cin>>it;
const int inf = 1e18;
const int N = 2e5 + 5;
const int mod = 1000000007;
vector <int> adj[4];
int solve(vector <int> &B, vector <int> &C) {
int ans = inf;
if (B.empty() || C.empty()) {
return ans;
}
for (auto it : B) {
// find best match for this in C?
auto x = lower_bound(all(C), it);
if (x == C.end()) {
ans = min(ans, abs(it - *C.rbegin()));
}
else {
if (x == C.begin()) {
ans = min(ans, abs(it - *C.begin()));
}
else {
ans = min(ans, abs(it - *x));
x--;
ans = min(ans, abs(it - *x));
}
}
}
for (auto it : C) {
// find best match for this in C?
auto x = lower_bound(all(B), it);
if (x == B.end()) {
ans = min(ans, abs(it - *B.rbegin()));
}
else {
if (x == B.begin()) {
ans = min(ans, abs(it - *B.begin()));
}
else {
ans = min(ans, abs(it - *x));
x--;
ans = min(ans, abs(it - *x));
}
}
}
return ans;
}
void test_case() {
int n;
cin >> n;
for (int i = 0; i < 2 * n; i++) {
int a;
char b;
cin >> a >> b;
if (b == 'R') {
adj[1].pb(a);
} else if (b == 'G') {
adj[2].pb(a);
} else {
adj[3].pb(a);
}
}
sort(all(adj[1]));
sort(all(adj[2]));
sort(all(adj[3]));
int r = adj[1].size(), g = adj[2].size(), b = adj[3].size();
int cnt = 0, who = -1;
for ( int val : {r, g, b}) {
if (val % 2 == 1) {
cnt++;
}
else {
if (val == r) {
who = 1;
}
else if (val == g) {
who = 2;
}
else {
who = 3;
}
}
}
if (cnt == 0) {
cout << 0 << endl;
return;
}
if (cnt == 1 || cnt == 3) {
assert(false);
}
vector <int> A = adj[who];
set <int> st = {1, 2, 3};
st.erase(who);
vector <int> B = adj[*st.begin()];
vector <int> C = adj[*st.rbegin()];
cout << min(solve(B, C), solve(A, C) + solve(A, B)) << endl;
}
int32_t main() {
ios_base::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
int t = 1;
// cin >> t;
while (t--)test_case();
return 0;
}
|
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i,n) for (int i = 0; i < n; i++)
#define all(n) n.begin(), n.end()
int main () {
ll n;
cin >> n;
vector<ll> a(n);
vector<ll> b(n);
vector<ll> c(n);
rep(i,n) cin >> a.at(i);
rep(i,n) cin >> b.at(i);
ll maxv = a.at(0);
c.at(0) = a.at(0) * b.at(0);
for (int i = 1; i < n; i++) {
maxv = max(maxv, a.at(i));
c.at(i) = max(c[i - 1], maxv * b.at(i));
}
for (auto i : c) {
cout << i << endl;
}
} | #include <iostream>
#include <fstream>
#include <string>
using namespace std;
int main()
{
int N;
cin>>N;
int a[N];
int b[N];
for(int i=0;i<N;i++){
cin>>a[i];
if(i>0){
if (a[i]<a[i-1]){
a[i]=a[i-1];
}
}
}
for(int i=0;i<N;i++){
cin>>b[i];
}
long long int before=0;
for(int i=0;i<N;i++){
long long int out=a[i]*b[i];
if(out<before){
out=before;
}else{
before=out;
}
cout<<out<<endl;
}
return 0;
}
|
/**
* Made by: Diego Briaares
* At: 07.03.2021 18:28:23
**/
#include <bits/stdc++.h>
using namespace std;
void optimize() {
ios_base::sync_with_stdio(0);
cin.tie(0);
}
void test_case() {
int n;
cin >> n;
string s1, s2, s3;
cin >> s1 >> s2 >> s3;
s1 += s1;
s2 += s2;
s3 += s3;
vector<string> cand;
string a, b;
for (int i = 0; i < n; i++) a.push_back('0');
for (int i = 0; i < n; i++) b.push_back('1');
string c = a + b + "0";
cout << c << "\n";
}
int main () {
optimize();
int t;
cin >> t;
while (t--) {
test_case();
}
} | #include <algorithm>
#include <iostream>
#include <cstring>
#include <cstdio>
#define pb push_back
#define mp make_pair
#define fir first
#define sec second
const int N = 1e6 + 5;
using namespace std;
int cas, n;
char s[3][N], T[N];
template < typename T >
inline T read()
{
T x = 0, w = 1; char c = getchar();
while(c < '0' || c > '9') { if(c == '-') w = -1; c = getchar(); }
while(c >= '0' && c <= '9') x = x * 10 + c - '0', c = getchar();
return x * w;
}
bool check()
{
bool flag = 1; int pos = 1;
for(int op = 0; op < 3; op++)
{
pos = 1;
for(int i = 1; i <= 4 * n; i++)
if(pos <= 2 * n + 1 && T[pos] == s[op][i > 2 * n ? i - 2 * n : i]) pos++;
flag &= pos > 2 * n;
}
return flag;
}
int main()
{
#ifndef ONLINE_JUDGE
freopen("cpp.in", "r", stdin);
#endif
cas = read <int> ();
while(cas--)
{
n = read <int> (), scanf("%s", s[0] + 1), scanf("%s", s[1] + 1), scanf("%s", s[2] + 1);
for(int i = 1; i <= n; i++) T[i] = '1', T[n + i] = '0'; T[2 * n + 1] = '1';
if(check()) { for(int i = 1; i <= 2 * n + 1; i++) printf("%c", T[i]); puts(""); continue; }
for(int i = 1; i <= n; i++) T[i] = '1', T[n + i] = '0'; T[2 * n + 1] = '0';
if(check()) { for(int i = 1; i <= 2 * n + 1; i++) printf("%c", T[i]); puts(""); continue; }
for(int i = 1; i <= n; i++) T[i] = '0', T[n + i] = '1'; T[2 * n + 1] = '0';
if(check()) { for(int i = 1; i <= 2 * n + 1; i++) printf("%c", T[i]); puts(""); continue; }
for(int i = 1; i <= n; i++) T[i] = '0', T[n + i] = 1; T[2 * n + 1] = '1';
if(check()) { for(int i = 1; i <= 2 * n + 1; i++) printf("%c", T[i]); puts(""); continue; }
T[1] = '0'; for(int i = 1; i <= n; i++) T[i + 1] = '1', T[n + i + 1] = '0';
if(check()) { for(int i = 1; i <= 2 * n + 1; i++) printf("%c", T[i]); puts(""); continue; }
T[1] = '1'; for(int i = 1; i <= n; i++) T[i + 1] = '1', T[n + i + 1] = '0';
if(check()) { for(int i = 1; i <= 2 * n + 1; i++) printf("%c", T[i]); puts(""); continue; }
T[1] = '1'; for(int i = 1; i <= n; i++) T[i + 1] = '0', T[n + i + 1] = '1';
if(check()) { for(int i = 1; i <= 2 * n + 1; i++) printf("%c", T[i]); puts(""); continue; }
T[1] = '0'; for(int i = 1; i <= n; i++) T[i + 1] = '0', T[n + i + 1] = '1';
if(check()) { for(int i = 1; i <= 2 * n + 1; i++) printf("%c", T[i]); puts(""); continue; }
}
return 0;
}
|
#include <bits/stdc++.h>
using namespace std;
const int N=205;
int n,ma[N],tmp[N];
bool ok=1,can[N][N],f,dp[N];
int main()
{
scanf("%d",&n);
for(int i=1,ai,bi;i<=n;i++){
scanf("%d%d",&ai,&bi);
if(ai>0 && ma[ai]) ok=0;
if(bi>0 && ma[bi]) ok=0;
if(ai>0 && bi>0)
ma[ai]=bi,ma[bi]=ai;
else if(ai>0) ma[ai]=-1;
else if(bi>0) ma[bi]=-2;
// cout<<i<<" "<<ok<<endl;
}
if(!ok){
printf("No\n");
return 0;
}
n<<=1;
// for(int l=1;l<=n;l++)
// cout<<ma[l]<<" ";
// cout<<endl;
for(int l=1;l<=n;l++)
for(int r=l;r<=n;r++){
if((r-l+1)%2) continue;f=1;
int k=(r-l+1)/2;
for(int i=l;i+k<=r;i++){
if(ma[i]>0 && ma[i]!=i+k) f=0;
if(ma[i+k]>0 && ma[i+k]!=i) f=0;
if(ma[i] && ma[i+k] && ma[i]!=i+k) f=0;
if(ma[i]==-2 || ma[i+k]==-1) f=0;
}
can[l][r]=f;
}
// cout<<can[1][2]<<endl;
dp[0]=1;
for(int i=1;i<=n;i++)
{
for(int j=0;j<i;j++)
if(dp[j] && can[j+1][i])
dp[i]=1;
// cout<<dp[i]<<" ";
}
// cout<<endl;
if(dp[n]) printf("Yes\n");
else printf("No\n");
return 0;
} | // author: xay5421
// created: Sat May 29 20:25:20 2021
#ifdef xay5421
#define D(...) fprintf(stderr,__VA_ARGS__)
#else
#define D(...) ((void)0)
//#define NDEBUG
#endif
#include<bits/stdc++.h>
#define SZ(x) ((int)(x).size())
#define rep(i,a,b) for(int i=(a);i<=(b);++i)
using namespace std;
const int N=505;
int T,n,a[N];
bool ok(){
rep(i,1,n)if(a[i]!=i)return 0;
return 1;
}
int main(){
#ifdef xay5421
freopen("a.in","r",stdin);
#endif
scanf("%d",&T);
rep(_,1,T){
D("_=%d\n",_);
scanf("%d",&n);
rep(i,1,n)scanf("%d",&a[i]);
vector<int>ans;
while(1){
if(ok())break;
bool flg=0;
for(int i=(n-1)&1?n-1:n-2;i>=1;i-=2){
if(a[i]>a[i+1]){
swap(a[i],a[i+1]),ans.push_back(i);
flg=1;
break;
}
}
if(flg==0){
swap(a[1],a[2]),ans.push_back(1);
}
if(ok())break;
flg=0;
for(int i=2;i<n;i+=2){
if(a[i]>a[i+1]){
swap(a[i],a[i+1]),ans.push_back(i);
flg=1;
break;
}
}
if(flg==0){
swap(a[2],a[3]),ans.push_back(2);
}
}
printf("%d\n",SZ(ans));
for(int x:ans)printf("%d ",x);
puts("");
}
return 0;
} |
/* Piyush Sharma*/
#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
int main()
{
ll testcase = 1;
// ll testcase;
// cin >> testcase;
while (testcase > 0)
{
double n, D, H;
cin >> n >> D >> H;
double maxVal = INT_MIN;
double backup = 0 * 1.0000;
while ( n > 0 ) {
double d, h;
cin >> d >> h;
double res = double((h*1.0) - ((d*1.0)*(((H-h)*1.0)/(D-d))));
if ( res >= maxVal ) {
maxVal = res;
}
n--;
}
if ( maxVal <= 0 ) {
cout << setprecision(16) << backup;
}
else {
cout << setprecision(16) << maxVal;
}
testcase--;
}
return 0;
} | #include <bits/stdc++.h>
using namespace std;
#define rep(i,t,n) for(int64_t i=t;i<n;i++)
#define Sort(a) sort(a.begin(),a.end())
#define rSort(a,n,m) sort(a.begin()+n-1,a.begin()+m)
#define Reverse(a) reverse(a.begin(),a.end())
#define rReverse(a,n,m) reverse(a.begin()+n-1,a.begin()+m)
#define MOD 1000000007
#define sign(i) -1*pow(-1,i)
#define vi(A,N,i) vector<int64_t> A(N,i)
#define vs(A,N,i) vector<string> A(N,i)
#define vb(A,N,i) vector<bool> A(N,i)
#define INF ((1LL<<62)-(1LL<<31))
//((a+b+c)-max(a,max(b,c))-min(a,min(b,c)))
/*template <class T>
}*/
//cout << fixed << setprecision(桁数);
int64_t def_str(string x,string y){
int64_t def=0;
rep(i,0,(int64_t)x.size()){
if(x[i]!=y[i]){
def++;
}
}
return def;
}
int main() {
//int64_t a,b,c,d,e,f,g,h,hi,ans=0,now_ans=0,mlt_ans=1;
double a,b,c,d,e,f,ans=0,now_ans=0,mlt_ans=1;
string x,y,z;
char s,t,u;
bool frag=false,frag1=false,frag2=false;
vector<int64_t> A{},B{},C{},D{};
vector<string> Cg{},Dg{};
vector<char> E{},F{};
vector<bool> G(26,false);
cin>>a>>b>>c;
//cin>>x;
//cin>>s>>t;////////////////////////
rep(i,0,a){
cin>>d>>e;
f=-(b*(c-e)/(b-d))+c;
ans=max(ans,f);
}
cout << fixed << setprecision(20);
cout<<ans;
} |
#include <iostream> // cout, endl, cin
#include <string> // string, to_string, stoi
#include <vector> // vector
#include <algorithm> // min, max, swap, sort, reverse, lower_bound, upper_bound
#include <utility> // pair, make_pair
#include <tuple> // tuple, make_tuple
#include <cstdint> // int64_t, int*_t
#include <cstdio> // printf
#include <map> // map
#include <queue> // queue, priority_queue
#include <set> // set
#include <stack> // stack
#include <deque> // deque
#include <unordered_map> // unordered_map
#include <unordered_set> // unordered_set
#include <bitset> // bitset
#include <cctype> // isupper, islower, isdigit, toupper, tolower
#include <stdexcept>
#include<math.h>
#include<iomanip>
using namespace std;
using Graph=vector<vector<int>>;
using ll=long long ;
#define rep(i,n) for(int i=0;i<(n);i++)
#define f first
#define sc second
const int mod=1'000'000'007;
// UnionFind
// coding: https://youtu.be/TdR816rqc3s?t=726
// comment: https://youtu.be/TdR816rqc3s?t=6822
struct UnionFind {
vector<int> d;
UnionFind(int n=0): d(n,-1) {}
int find(int x) {
if (d[x] < 0) return x;
return d[x] = find(d[x]);
}
bool unite(int x, int y) {
x = find(x); y = find(y);
if (x == y) return false;
if (d[x] > d[y]) swap(x,y);
d[x] += d[y];
d[y] = x;
return true;
}
bool same(int x, int y) { return find(x) == find(y);}
int size(int x) { return -d[find(x)];}
};
int fact(int n){
if(n==0){
return 1;
}else{
return n*fact(n-1);
}
}
bool is_prime(int x){
if(x<=1) return false;
for(int i=2;i*i<x;i++){
if(x%i==0) return false;}
return true;}
template<class T>void chmin(T& a,T b){
if(a>b){
a=b;
}
}
template<class T>void chmax(T& a,T b){
if(a<b){
a=b;
}
}
int gcd(int x, int y) {
if(x % y == 0) {
return y;
} else {
return gcd(y, x % y);
}
}
ll f(ll x,ll c,ll d){
return x-x/c-x/d+x/(c/(gcd(c,d))*d);
}
string to_oct(int n){
string s;
while(n){
s = std::to_string(n%8) + s;
n /= 8;
}
return s;
}
using namespace std;
int main(){
int a,b,c;
cin>>a>>b>>c;
if(a*a+b*b<c*c){
cout << "Yes" << endl;
}else{
cout << "No" << endl;
}
} | #include <bits/stdc++.h>
#define int long long
#define INT_MAX INT64_MAX
#define INT_MIN INT64_MIN
#define PI 3.14159265358979323846
#define CLK clock_t clk = clock();//Start of main
#define OCLK cerr << "Time (in ms): " << (double)(clock() - clk) * 1000.0 / CLOCKS_PER_SEC << '\n';//End of main
#define MOD 1000000007
/* DEFINE cout */
#define pln cout << "===============================\n"
#define on cout<<"\n"
#define os cout<<" "
#define o2(a,b) cout<<a<<" "<<b
#define o(a) cout << a
#define bitcount __builtin_popcountll
/* DEFINE cout */
#define endl "\n"
#define fastio ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);//fastio
using namespace std;
struct hash_pair { // use pair as key in unordered_map<pair<int,int>,int,hash_pair>;
template <class T1, class T2>
size_t operator()(const pair<T1, T2>& p) const
{
auto hash1 = hash<T1>{}(p.first);
auto hash2 = hash<T2>{}(p.second);
return hash1 ^ hash2;
}
};
bool prime[10000001];
int P=MOD-2;
int factorial[10000001]={0};
int powerFunction(int x,int y){
int res = 1;
int p = MOD;
x = x % p;
while (y > 0){
if (y & 1)
res = (res*x) % p;
y = y>>1;
x = (x*x) % p;
}
return res;
}
void sieveFunction(int maxLimit){
memset(prime, true, sizeof(prime));
prime[0] = prime[1]=false;
for(int i=2; maxLimit >= i ; i++){
if(prime[i]){
for(int j=2*i ; maxLimit >= j ; j+=i)
prime[j]=false;
}
}
}
void factorialFunction(int maxLimit){
factorial[0]=1;
for(int i=1 ; i <= maxLimit ; i++)
factorial[i]=(factorial[i-1]*i)%MOD;
return;
}
int gcd(int a, int b){
if (b == 0)
return a;
return gcd(b, a % b);
}
signed main(){
int n, m, t;
cin >> n >> m >> t;
int a[m], b[m];
int batt = n;
int tm = 0;
bool fg = true;
for(int i=0; m>i; i++){
cin >> a[i] >> b[i];
int reach = a[i] - tm;
// cout << batt << endl;
if(batt > reach){
batt -= reach;
}else{
fg = false;
}
int stay = b[i]-a[i];
batt += stay;
batt = min(n, batt);
tm = b[i];
}
// cout << batt << endl;
int rem = t - b[m-1];
if(batt <= rem){
fg = false;
}
if(fg){
cout << "Yes\n";
}else{
cout << "No\n";
}
}
|
#include <stdio.h>
typedef long long ll;
int main(void) {
ll i, j, k, n, a, b, c = 2, s, t, now;
bool ans = true;
scanf("%lld%lld", &n, &k);
if(k > n * n * n / 2) ans = false, k = n * n * n - k + 1;
s = n + n + 1;
while(s - c > 1) {
t = (s + c) / 2;
now = t * (t - 1) * (t - 2) / 6;
if(t > n + 2) now -= (t - n) * (t - n - 1) * (t - n - 2) * 3 / 6;
if(now < k) c = t;
else s = t;
}
t = c;
k -= t * (t - 1) * (t - 2) / 6;
if(t > n + 2) k += (t - n) * (t - n - 1) * (t - n - 2) * 3 / 6;
c++;
now = 0;
for(i = 1; ; ++i) {
if(c - i > n) t = 2 * n - c + i + 1;
else t = c - i - 1;
if(now + t >= k) {
a = i, k -= now;
break;
}
now += t;
}
for(i = 1; k; ++i) if(a + i + n >= c) --k;
b = i - 1;
if(ans) printf("%lld %lld %lld", a, b, c - a - b);
else printf("%lld %lld %lld", n - a + 1, n - b + 1, n - c + a + b + 1);
return 0;
} | //ABC 200 E - Patisserie ABC 2
//https://atcoder.jp/contests/abc200/tasks/abc200_e
#include <bits/stdc++.h>
using namespace std;
long long dp[4][3000005] = {};
int main() {
int n;
long long k;
cin >> n >> k;
//已选了几个数，其数字和是多少
dp[0][0] = 1;
for(int i = 0; i < 3; i++) { // 推送给、贡献给父问题
for(int j = 0; j <= i * n; j++) {
dp[i + 1][j + 1] += dp[i][j]; //区间统一修：差分
dp[i + 1][j + n + 1] -= dp[i][j];
}
for(int j = 1; j <= (i + 1) * n; j++) //差分+前缀和
dp[i + 1][j] += dp[i + 1][j - 1]; //才是最后的值
}
int x;
for(int i = 3; i <= 3 * n; i++)
if(k <= dp[3][i]) {
x = i;
break;
} else k -= dp[3][i]; //为何要减去？
for(int i = 1; i <= n; i++) {
int jmi = max(1, x - i - n);
int jma = min(n, x - i - 1);
if(jmi > jma) continue;
if(k > (jma - jmi + 1)) {
k -= (jma - jmi + 1);
continue;
}
int y = jmi + k - 1;
int z = x - i - y;
cout << i << ' ' << y << ' ' << z << '\n';
return 0;
}
}
|
#include<bits/stdc++.h>
using namespace std;
const int M = 100005;
#define ll long long int
ll N = 1e9 + 7;
ll Z = 998244353;
#define all(x) (x).begin(), (x).end()
#define deb(x) cerr << #x << " = " << x <<"\n";
#define rep(i, begin, end) for (__typeof(end) i = (begin) — ((begin) > (end)); i != (end) — ((begin) > (end)); i += 1 — 2 * ((begin) > (end)))
ll power(ll x, unsigned int y, int p)
{
ll res = 1;
x = x % p;
while (y > 0)
{
if (y & 1)
res = (res*x) % p;
y = y>>1;
x = (x*x) % p;
}
return res;
}
ll modinv(ll x, int p){
return (power(x, p-2, p));
}
bool compare(const pair<int, int> &p1, const pair<int, int> &p2){
return (p1.first < p2.first); // Ascending Order
// return (p1.first > p2.first); // Descending Order
}
// min({args}), max({args})
void precompute(){
}
int main(){
#ifdef SARTHAK
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
freopen("error.txt", "w", stderr);
auto start = chrono::high_resolution_clock::now();
#endif
ios_base::sync_with_stdio(false);
cin.tie(NULL); cout.tie(NULL);
int t=1;
//cin>>t;
precompute();
while(t--){
int n;
cin>>n;
cout<<(n-1)/100 + 1<<"\n";
}
#ifdef SARTHAK
auto end = chrono::high_resolution_clock::now();
double time_taken = chrono::duration_cast<chrono::nanoseconds>(end - start).count(); time_taken *= 1e-9;
cout << "\nTime taken by program is : " << fixed << time_taken << setprecision(9); cout << " sec" << endl;
#endif
return 0;
}
| #include<bits/stdc++.h>
using namespace std;
void century(int year)
{
if(year<=0)
return;
else if(year % 100 == 0)
{
cout<<(year/100);
}
else
cout<<(year /100) +1;
}
int main()
{
int N;
cin>>N; // year//
century(N);
return 0;
} |
#include <algorithm>
#include <array>
#include <cassert>
#include <cstdio>
#include <cstring>
#include <iostream>
#include <map>
#include <queue>
#include <set>
#include <vector>
using namespace std;
using ll = long long;
const int MAX_H = 2e5;
const int MAX_W = 2e5;
// From https://cp-algorithms.com/data_structures/fenwick.html
struct FenwickTree {
vector<int> bit; // binary indexed tree
int n;
FenwickTree(int n) {
this->n = n;
bit.assign(n, 0);
}
FenwickTree(vector<int> a) : FenwickTree(a.size()) {
for (size_t i = 0; i < a.size(); i++)
add(i, a[i]);
}
int sum(int r) {
int ret = 0;
for (; r >= 0; r = (r & (r + 1)) - 1)
ret += bit[r];
return ret;
}
int sum(int l, int r) {
return sum(r) - sum(l - 1);
}
void add(int idx, int delta) {
for (; idx < n; idx = idx | (idx + 1))
bit[idx] += delta;
}
void set(int idx, int val) {
int curr = sum(idx, idx);
if (curr == 1) add(idx, -1);
add(idx, val);
}
};
vector<int> byRow[MAX_H + 1], byCol[MAX_W + 1];
int main() {
int h, w, m;
scanf("%d %d %d", &h, &w, &m);
for (int i = 0; i < m; i++) {
int x, y;
scanf("%d %d", &x, &y);
byRow[x].push_back(y);
byCol[y].push_back(x);
}
for (int i = 1; i <= h; i++) {
byRow[i].push_back(w + 1);
sort(byRow[i].begin(), byRow[i].end());
}
for (int i = 1; i <= w; i++) {
byCol[i].push_back(h + 1);
sort(byCol[i].begin(), byCol[i].end());
}
ll ans = 0;
// Go right, then down
for (int i = 1; i < byRow[1].front(); i++) {
assert(byCol[i].front() > 1);
ans += byCol[i].front() - 1;
}
FenwickTree blockedColumns(w + 1);
// Go down, then right
for (int i = 1; i < byCol[1].front(); i++) {
assert(!byRow[i].empty());
assert(byRow[i].front() > 1);
// Add cells that in columns you can't reach by going right first
ans += max(0, byRow[i].front() - byRow[1].front());
// Add cells that are blocked from above
ans += blockedColumns.sum(1, byRow[i].front() - 1);
for (int blockedColumn : byRow[i]) {
if (blockedColumn < byRow[1].front()) blockedColumns.set(blockedColumn, 1);
}
}
printf("%lld\n", ans);
return 0;
}
| #include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define REP(i,n) for(ll i=0; i<ll(n); i++)
#define FOR(i,m,n) for(ll i=ll(m); i<ll(n); i++)
#define ALL(obj) (obj).begin(),(obj).end()
#define VI vector<int>
#define VP vector<pair<ll,ll>>
#define VPP vector<pair<int,pair<int,int>>>
#define VLL vector<long long>
#define VVI vector<vector<int>>
#define VVLL vector<vector<long long>>
#define VC vector<char>
#define VS vector<string>
#define VVC vector<vector<char>>
#define VB vector<bool>
#define VVB vector<vector<bool>>
#define fore(i,a) for(auto &i:a)
typedef pair <int, int> P;
template<typename T> using min_priority_queue = priority_queue<T, vector<T>, greater<T>>;
template<class T> bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; }
template<class T> bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; }
const ll INF = (1 << 30) - 1;
const ll INFL = 1LL << 60;
const ll mod = 1000000007;
VLL tate[200005];
VLL yoko[200005];
VLL cnt[200005];
struct Segment_tree {
using T = ll;
ll n;
vector<T> data;
const T out = 0LL;
inline T vmerge(T l, T r) { return l + r; }
Segment_tree(ll n) :n(n) { data.assign(2 * n, out); }
void update(ll p, T x) { // set value at position p
for (data[p += n] = x; p > 1; p >>= 1) {
data[p >> 1] = vmerge(data[p], data[p ^ 1]);
}
}
T query(ll l, ll r) { // sum on interval [l, r)
T resl = out, resr = out;
for (l += n, r += n; l < r; l >>= 1, r >>= 1) {
if (l & 1) resl = vmerge(data[l++], resl);
if (r & 1) resr = vmerge(resr, data[--r]);
}
return vmerge(resl, resr);
}
};
int main() {
ll h, w, m;
cin >> h >> w >> m;
vector<pair<ll, ll>> v(m);
REP(i, m) {
cin >> v[i].first >> v[i].second;
v[i].first--;
v[i].second--;
tate[v[i].first].push_back(v[i].second);
yoko[v[i].second].push_back(v[i].first);
}
REP(i, 200005) {
sort(ALL(tate[i]));
sort(ALL(yoko[i]));
}
ll x;
if (tate[0].size() == 0)x = w;
else x = tate[0][0];
ll ans = 0;
REP(i, x) {
if (yoko[i].size() == 0) {
ans += h;
cnt[h].push_back(i);
}
else {
ans += yoko[i][0];
cnt[yoko[i][0]].push_back(i);
}
//cerr << " "<<ans << endl;
}
FOR(i, x, w) {
cnt[0].push_back(i);
}
Segment_tree rsq(200005);
cerr << ans << endl;
ll y;
if (yoko[0].size() == 0)y = h;
else y = yoko[0][0];
cerr << y << endl;
FOR(i, 0, y) {
if (tate[i].size() == 0) {
ans += rsq.query(0, w);
}
else {
ans += rsq.query(0, tate[i][0]);
}
for (ll j : cnt[i]) {
//cerr << i << ' ' << j << endl;
rsq.update(j, 1);
}
}
cout << ans << endl;
}
|
#include<bits/stdc++.h>
using namespace std;
#define int long long int
#define rep(i,a,b) for(int i=a;i<b;i++)
void abcd(){
int n,k;
string s;
cin >> s;
n=0;
rep(i,0,9){
if(s[i]=='Z' && s[i+1]=='O' && s[i+2]=='N' && s[i+3]=='e'){
n++;
}
}
cout << n;
}
int32_t main(){
int t=1;
// scanf("%lld",&t);
while(t--){
abcd();
}
return 0;
} | #include<bits/stdc++.h>
using namespace std;
int main()
{string s;
cin>>s;
int ans=0;
string a="ZONe";
for(int i=0;i<9;i++)
{string x=s.substr(i,4);
if(x==a) {ans++;}}
cout<<ans;
return 0;} |
#include <bits/stdc++.h>
using namespace std;
#define rep(i,x,n) for(int i=x;i<(int)n;++i)
#define sp(p) cout<<setprecision(16)<<fixed<<p<<endl;
#define ceiling(a,b) ((a+b-1)/b)
#define out(a) cout<<a<<endl;
#define vout(v) rep(i,0,v.size())cout<<v[i]<<(i==v.size()-1?"\n":" ");
#define vvout(vv) rep(j,0,vv.size()){vout(vv[j])}
#define mout(m) for(auto&e:m)cout<<e.first<<": "<<e.second<<endl;
#define _CHK_ 1
#define chk(a) if(_CHK_){cout<<#a<<": ";out(a)}
#define vchk(v) if(_CHK_){cout<<#v<<": ";vout(v)}
#define vvchk(vv) if(_CHK_){cout<<#vv<<": "<<endl;vvout(vv)}
#define mchk(m) if(_CHK_){cout<<#m<<": "<<endl;mout(m)}
template<int MOD> struct Fp {
long long val;
constexpr Fp(long long v = 0) noexcept : val(v % MOD) {
if (val < 0) val += MOD;
}
constexpr int getmod() { return MOD; }
constexpr Fp operator - () const noexcept {
return val ? MOD - val : 0;
}
constexpr Fp operator + (const Fp& r) const noexcept { return Fp(*this) += r; }
constexpr Fp operator - (const Fp& r) const noexcept { return Fp(*this) -= r; }
constexpr Fp operator * (const Fp& r) const noexcept { return Fp(*this) *= r; }
constexpr Fp operator / (const Fp& r) const noexcept { return Fp(*this) /= r; }
constexpr Fp& operator += (const Fp& r) noexcept {
val += r.val;
if (val >= MOD) val -= MOD;
return *this;
}
constexpr Fp& operator -= (const Fp& r) noexcept {
val -= r.val;
if (val < 0) val += MOD;
return *this;
}
constexpr Fp& operator *= (const Fp& r) noexcept {
val = val * r.val % MOD;
return *this;
}
constexpr Fp& operator /= (const Fp& r) noexcept {
long long a = r.val, b = MOD, u = 1, v = 0;
while (b) {
long long t = a / b;
a -= t * b; swap(a, b);
u -= t * v; swap(u, v);
}
val = val * u % MOD;
if (val < 0) val += MOD;
return *this;
}
constexpr bool operator == (const Fp& r) const noexcept {
return this->val == r.val;
}
constexpr bool operator != (const Fp& r) const noexcept {
return this->val != r.val;
}
friend constexpr ostream& operator << (ostream &os, const Fp<MOD>& x) noexcept {
return os << x.val;
}
// friend constexpr Fp<MOD> modpow(const Fp<MOD> &a, long long n) noexcept {
// if (n == 0) return 1;
// auto t = modpow(a, n / 2);
// t = t * t;
// if (n & 1) t = t * a;
// return t;
// }
};
const long long MOD = 1000000007;
using mint = Fp<MOD>;
mint modpow(const mint &a, int64_t n){
if(n==0)return 1;
mint t=modpow(a,n/2);
t=t*t;
if(n&1)t=t*a;
return t;
}
int main(){
int64_t H,W;
cin>>H>>W;
vector<vector<char>> S(H, vector<char>(W));
for (int64_t i = 0; i < H; i++) {
for (int64_t j = 0; j < W; j++) {
cin>>S[i][j];
}
}
// vvchk(S)
vector<vector<int64_t>> dp(H, vector<int64_t>(W, 0));
vector<vector<int64_t>> x(H, vector<int64_t>(W, 0));
vector<vector<int64_t>> y(H, vector<int64_t>(W, 0));
vector<vector<int64_t>> z(H, vector<int64_t>(W, 0));
dp[0][0]=1;
for (int64_t i = 0; i < H; i++) {
for (int64_t j = 0; j < W; j++) {
if(i==0&&j==0)continue;
if(j-1>=0&&S[i][j-1]=='.'&&S[i][j]=='.') x[i][j]=x[i][j-1]+dp[i][j-1];
if(i-1>=0&&S[i-1][j]=='.'&&S[i][j]=='.') y[i][j]=y[i-1][j]+dp[i-1][j];
if(j-1>=0&&i-1>=0&&S[i-1][j-1]=='.'&&S[i][j]=='.') z[i][j]=z[i-1][j-1]+dp[i-1][j-1];
dp[i][j]=x[i][j]+y[i][j]+z[i][j];
dp[i][j]%=MOD;
}
}
// vvchk(x)
// vvchk(y)
// vvchk(z)
// vvchk(dp)
out(dp[H-1][W-1])
return 0;
}
| #include<bits/stdc++.h>
#include<iostream>
#include<string>
#include<cmath>
#include<cstdio>
#include<cctype>
#include<cstring>
#include<iomanip>
#include<cstdlib>
#include<ctime>
#include<set>
#include<map>
#include<utility>
#include<queue>
#include<vector>
#include<stack>
#include<sstream>
#include<algorithm>
/************************************************/
#define rep(i,n) for(int i=0;i<n;i++)
#define m_p make_pair
#define pb push_back
#define fr first
#define se second
#define forn(i,a,n) for(int i=a;i<n;i++)
#define foreach(i,c) for(__typeof(c.begin())i=(c.begin());i!=(c).end();i++)
#define pii pair<int,int>
#define vi vector<int>
#define ll long long
#define sz(s) s.size()
#define all(s) s.begin(),s.end()
#define zero(x) memset(x,0,sizeof(x))
#define vii vector<pair<int,int> >
#define mpis map<int,string>
#define mpii map<int,int>
#define mpsi map<string,int>
#define re return
#define mod 1000000007
/************************************************/
using namespace std;
long long get(){
char c=getchar();
long long x=0LL;
while(c<'0'||c>'9')
c=getchar();
while(c>='0'&&c<='9'){
x*=10LL;
x+=(c-'0');
c=getchar();
}
return x;
}
string i_t_s(int x){
string t="";
while(x){
t+=x%10+'0';
x/=10;
}
reverse(all(t));
re t;
}
int s_t_i(string t){
int x=0;
rep(i,sz(t)){
x=x*10+(t[i]-'0');
}
re x;
}
bool vis[8];
int n;
ll t[8][8];
ll k;
int ans;
void dfs(int x,int cnt,ll sum){
if(cnt==n&&x==0&&sum==k){
ans++;
re;
}
if(vis[x])
re;
vis[x]=true;
rep(i,n){
if(sum+t[x][i]>k)
continue;
dfs(i,cnt+1,sum+t[x][i]);
}
vis[x]=false;
}
int main(){
ios::sync_with_stdio(0);
cin>>n>>k;
rep(i,n)
rep(j,n)
cin>>t[i][j];
dfs(0,0,0);
cout<<ans;
re 0;
}
|
// clang-format off
#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using P = pair<ll, ll>;
using G = vector<vector<ll>>;
#define G(i, j) i, vector<ll>(j)
#define Gv(i, j, k) i, vector<ll>(j, k)
#define rep(i,n) for(ll i=0, i##_len=(n); i<i##_len; ++i)
#define rep1(i,n) for(ll i=1, i##_len=(n); i<=i##_len; ++i)
#define rrep(i,n) for(ll i=n-1; i>=0; --i)
#define rrep1(i,n) for(ll i=n; i>0; --i)
#define all(x) (x).begin(),(x).end()
#define SORT(x) sort(all(x))
#define SORT_DESC(x) sort((x).rbegin(),(x).rend())
#define pb push_back
#define mp make_pair
#define coutl cout<<fixed<<setprecision(10)
#define ANS(ans) cout<<ans<<endl
#define END(ans) ANS(ans); return
const ll LINF = (1LL << 62) - 1;
const int INF = (1 << 30) - 1;
template<class T>inline bool chmax(T &a, const T &b){if (a<b){a=b;return 1;}return 0;}
template<class T>inline bool chmin(T &a, const T &b){if (b<a){a=b;return 1;}return 0;}
// clang-format on
void solve(std::string S) {
ll count = 0;
ll len = S.length();
for (ll i = 0; i < len; ++count) {
ll ret = S.find("ZONe", i);
if (ret == string::npos)
break;
i = ret + 1;
}
ANS(count);
}
// clang-format off
int main() {
std::string S;
std::cin >> S;
solve(S);
return 0;
}
| #include <bits/stdc++.h>
using namespace std;
#define F first
#define S second
#define pb push_back
#define mp make_pair
#define rep(i,n) for (int i = 0;i < n;i++)
typedef long long ll;
int main() {
#ifndef ONLINE_JUDGE
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
string s;
int p1 = 0;
int p2 = 1;
int p3 = 2;
int p4 = 3;
int count = 0;
cin >> s;
while (p4 < s.size()) {
if (s[p1] == 'Z' && s[p2] == 'O' && s[p3] == 'N' && s[p4] == 'e') {
count++;
}
p1++;
p2++;
p3++;
p4++;
}
cout << count;
return 0;
} |
#include <bits/stdc++.h>
using namespace std;
int main()
{
int H, W;
cin >> H >> W;
int count=0;
char S[H][W];
for (int i = 0; i < H; i++)
{
for (int j = 0; j < W; j++)
{
cin >> S[i][j];
}
}
for (int i = 1; i < H-1; i++)
{
for (int j = 1; j < W-1; j++)
{
if (S[i][j] == '.')
{
if (S[i-1][j-1]=='#' && S[i-1][j]=='#' && S[i][j-1]=='#')
{
count ++;
}
if (S[i+1][j-1]=='#' && S[i+1][j]=='#' && S[i][j-1]=='#')
{
count ++;
}
if (S[i-1][j+1]=='#' && S[i-1][j]=='#' && S[i][j+1]=='#')
{
count ++;
}
if (S[i+1][j+1]=='#' && S[i+1][j]=='#' && S[i][j+1]=='#')
{
count ++;
}
}
}
}
cout << 4 + 2*count << endl;
}
| #include <bits/stdc++.h>
using namespace std;
#define ll long long
#define drep(i, cc, n) for (ll i = (cc); i <= (n); ++i)
#define rep(i, n) drep(i, 0, n - 1)
#define P pair<ll, ll>
#define all(a) (a).begin(), (a).end()
int main(){
ll H, W;
cin >> H >> W;
vector<string> S(H);
rep(i, H) cin >> S.at(i);
ll ans = 0;
ll dh[4] = {0, 1, 0, 1};
ll dw[4] = {0, 0, 1, 1};
rep(h, H-1){
rep(w, W-1){
ll count = 0;
rep(i, 4){
ll nh = h + dh[i];
ll nw = w + dw[i];
if(S[nh][nw] == '#') count++;
}
if(count == 1 || count == 3) ans++;
}
}
cout << ans << endl;
} |
#include <bits/stdc++.h>
using namespace std;
int main(){
long long n;
cin >> n;
long long tsum = 0;
while(n--){
long long a, b;
cin >> a >> b;
long long sum1 = ((a-1) * a) / 2;
long long sum2 = ( b * (b+1)) / 2;
long long sum = sum2 - sum1;
tsum = tsum + sum;
}
cout << tsum << endl;
return 0;
} | #include <iostream>
#include <fstream>
#include <cstdio>
#include <string>
#include <stack>
#include <queue>
#include <random>
#include <deque>
#include <cassert>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <numeric>
#include <sstream>
#include <iomanip>
#include <algorithm>
#include <vector>
#include <list>
#include <forward_list>
#include <array>
#include <cstring>
#include <cmath>
#include <tuple>
#include <complex>
#include <bitset>
#include <climits>
using namespace std;
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using pdd = pair<double, double>;
using pld = pair<ld, ld>;
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
ll N, K;
cin >> N >> K;
ll res = 0;
for (ll cur_sum = 2 - min(0ll, K); cur_sum <= 2 * N - max(0ll, K); ++cur_sum)
{
res += (abs(cur_sum - 2 * max(1ll, cur_sum - N)) + 1) * (abs(cur_sum + K - 2 * max(1ll, cur_sum + K - N)) + 1);
}
cout << res;
}
|
#include<cstdio>
using namespace std;
int n,k,calc[200];
int dp[200][200];
char s[200];
inline int dfs(int cur,int p) {
if(p==0) {
if(s[cur]=='R')
return 1;
else if(s[cur]=='P')
return 2;
else if(s[cur]=='S')
return 3;
}
if(dp[cur][p])
return dp[cur][p];
int l=dfs(cur,p-1);
int r=dfs((cur+calc[p-1])%n,p-1);
int ans;
if(l==r)
ans=l;
else {
if(l==1) {
if(r==2) ans=2;
else ans=1;
} else if(l==2) {
if(r==1) ans=2;
else ans=3;
} else if(l==3) {
if(r==1) ans=1;
else ans=3;
}
}
dp[cur][p]=ans;
return ans;
}
inline void prework() {
scanf("%d%d",&n,&k);
scanf("%s",s);
calc[0]=1;
for(int i=1; i<=k; i++)
calc[i]=calc[i-1]*2%n;
int op=dfs(0,k);
if(op==1)
puts("R");
else if(op==2)
puts("P");
else
puts("S");
}
int main() {
prework();
return 0;
} | #include <bits/stdc++.h>
using namespace std;
char battle(char l_hand, char r_hand)
{
if ((l_hand == 'R' && r_hand == 'S') || (l_hand == 'P' && r_hand == 'R') || (l_hand == 'S' && r_hand == 'P'))
{
return l_hand;
}
if ((r_hand == 'R' && l_hand == 'S') || (r_hand == 'P' && l_hand == 'R') || (r_hand == 'S' && l_hand == 'P'))
{
return r_hand;
}
return l_hand;
}
int main()
{
int N, K;
string S;
cin >> N >> K >> S;
for (int k = 0; k < K; k++)
{
string T = S + S;
S = "";
for (int i = 0; i < N * 2; i += 2)
{
S += battle(T.at(i), T.at(i + 1));
}
}
cout << S.at(0) << endl;
}
|
#include <bits/stdc++.h>
//#include <atcoder/all>
#define rep(i, n) for (int i=0; i < (n); i++)
using namespace std;
//using namespace atcoder;
typedef long long ll;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef pair<int, int> P;
const int INF = 1 << 30;
const ll LINF = 1LL << 61;
const int NIL = -1;
const int MAX = 10000;
const int MOD = 1000000007;
const double pi = 3.141592653589;
bool is_seven_in_ten(int x){
while(x!=0){
if(x % 10 == 7)
return true;
else{
x /= 10;
}
}
return false;
}
bool is_seven_in_eight(int x){
while(x!=0){
if(x % 8 == 7){
return true;
}
else{
x /= 8;
}
}
return false;
}
int main() {
int n; cin >> n;
int ten = 0, eight = 0, ten_eight = 0;
for(int i=1;i<=n;i++){
if(is_seven_in_eight(i) && is_seven_in_ten(i)){
ten_eight++;
}
if(is_seven_in_ten(i)){
ten++;
}
if(is_seven_in_eight(i)){
eight++;
}
}
cout << n - ten - eight + ten_eight << endl;
return 0;
} | #include <bits/stdc++.h>
using namespace std;
#define tcase int _; cin >> _; while(_--)
//#define int long long
const int MOD = 1e9+7;
const int MAX = 1e6;
const int INF = 2e9;
void solve() {
int n;
cin >> n;
int a1=0, a2=0;
vector<int> v(n, 1);
for(int i=1; i<=n; i++) {
int ok=1;
int x = i;
while(x) {
if(x%10 == 7) ok=0;
x /= 10;
}
if(!ok) v[i-1] = 0;
}
for(int i=1; i<=n; i++) {
int ok=1;
for(int j=0; j<30; j+=3) {
if(((7<<j) & i) == (7<<j)) {
ok=0;
break;
}
}
if(!ok) v[i-1] = 0;
}
int ans=0;
for(int x : v) ans += x;
cout << ans << endl;
}
int32_t main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
solve();
return 0;
}
|
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef long double ld;
#define F first
#define S second
const int MOD = 1e9 + 7;//XXX
const int C = 26;//XXX
void add(int &x, int y){
x += y;
while (x >= MOD) x -= MOD;
while (x < 0) x += MOD;
}
int fix(int x){
while (x >= MOD) x -= MOD;
while (x < 0) x += MOD;
return x;
}
int pw(int a, int b){
int ret = 1;
while (b){
if (b & 1)
ret = 1ll*ret*a%MOD;
b >>= 1;
a = 1ll*a*a%MOD;
}
return ret;
}
const int MAXN = 1e6 + 10;
map<ll,ll> mp;
ll go(ll X, ll Y) {
if(Y <= X) {
return X - Y;
}
if(mp.count(Y))
return mp[Y];
if(Y % 2 == 0) {
return mp[Y] = min(go(X, Y/2)+1, Y - X);
}
return mp[Y] = min(go(X, Y+1), go(X, Y-1)) + 1;
}
void solve() {
ll X, Y;
cin >> X >> Y;
cout << go(X, Y) << "\n";
}
int main(){
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
//cout << fixed << setprecision(6);
int te = 1;
//cin >> te;
for (int w = 1; w <= te; w++){
//cout << "Case #" << w << ": ";
solve();
}
return 0;
}
| #include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vi = vector<int>;
using ii = pair<int,int>;
const int MAX = 1e6+10;
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int l,r;
cin >> l >> r;
ll res = 0;
for(int i=2;i<=r;i++){
int t = i;
int fail = 0;
int factors = 0;
if( t%4 == 0){
continue;
}
if( t%2 == 0){
factors ++;
t/=2;
}
for(int d =3;d*d<=t;d+=2){
if( t%d ) continue;
factors ++;
if( t%(d*d) == 0 ){
fail = 1;
break;
}
t/=d;
}
if( t > 1) factors ++;
if( fail ) continue;
int sign = -1;
if( factors%2 ) sign = 1;
ll sumand = r/i - (l-1)/i;
sumand = sumand*sumand*sign;
res += sumand;
}
for(int i=max(2,l);i<=r;i++){
res -= 2*(r/i) - 1;
}
cout << res << endl;
}
|
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ull = unsigned long long;
using ld = long double;
#define repp(i, a, b) for(int i = a; i <= b; i++)
#define rep(i, a, b) for(int i = a; i < b; i++)
#define rrep(i, b, a) for(int i = b; i >= a; i--)
#define pb emplace_back
#define ff first
#define ss second
#define all(v) v.begin(),v.end()
#define rall(v) v.rbegin(),v.rend()
#define LB lower_bound
#define UB upper_bound
#define MP make_pair
#define in_edges(M) repp(I, 1, M){int A, B; cin >> A >> B; v[A].pb(B), v[B].pb(A);}
#define endl "\n"
const ll MOD = 1e9 + 7;
const ll INF = 1e18 + 1;
ll power(ll x,ll y){ll res = 1; x%=MOD;while(y>0){if(y&1)res=(res*x)%MOD;y=y>>1,x=(x*x)%MOD;}return res;}
void pre();
void solve();
void post();
map<ull, bool> m;
int main()
{
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
int t = 1;
// cin >> t;
pre();
repp(tst, 1, t){
solve();
post();
}
}
/*--------------------------------------------------------------------------------------------------------------------*/
void pre(){
ull a = 3, b = 5;
while(a < INF){
b = 5;
while(b < INF){
m[a + b] = 1;
if(b * 5 < b) break;
b *= 5;
}
if(a * 3 < a) break;
a *= 3;
}
}
void solve(){
ull n;
cin >> n;
ull a = 3, b = 5;
ll x = 1, y = 1;
while(a < INF){
b = 5;
y = 1;
while(b < INF){
if(a + b == n){
cout << x << " " << y;
return;
}
m[a + b] = 1;
if(b * 5 < b) break;
b *= 5;
y++;
}
if(a * 3 < a) break;
a *= 3;
x++;
}
cout << -1;
}
void post(){} | #include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <cassert>
#include <algorithm>
#include <functional>
#include <iostream>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <tuple>
#include <vector>
#define repi(i,a,b) for(ll i=(a);i<(b);++i)
#define rep(i,a) repi(i,0,a)
#define repdi(i,a,b) for(ll i=(a)-1;i>=(b);--i)
#define repd(i,a) repdi(i,a,0)
#define itr(it,a) for( auto it = (a).begin(); it != (a).end(); ++it )
#define all(a) (a).begin(), (a).end()
#define rall(a) (a).rbegin(), (a).rend()
#define endl '\n'
#define debug(x) std::cerr << #x << " = " << (x) << endl;
using ll = long long;
using P = std::pair<ll, ll>;
constexpr ll INF = 1ll<<60;
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
template<class S, class T>
std::ostream& operator<< ( std::ostream& out, const std::pair<S,T>& a )
{ std::cout << '(' << a.first << ", " << a.second << ')'; return out; }
template<class T>
std::ostream &operator<< ( std::ostream& out, const std::vector<T>& a )
{ std::cout << '['; rep( i, a.size() ){ std::cout << a[i]; if( i != a.size()-1 ) std::cout << ", "; } std::cout << ']'; return out; }
const ll mod = 998244353;
struct mint {
ll x; // typedef long long ll;
mint(ll x=0):x((x%mod+mod)%mod){}
mint operator-() const { return mint(-x);}
mint& operator+=(const mint a) {
if ((x += a.x) >= mod) x -= mod;
return *this;
}
mint& operator-=(const mint a) {
if ((x += mod-a.x) >= mod) x -= mod;
return *this;
}
mint& operator*=(const mint a) { (x *= a.x) %= mod; return *this;}
mint operator+(const mint a) const { return mint(*this) += a;}
mint operator-(const mint a) const { return mint(*this) -= a;}
mint operator*(const mint a) const { return mint(*this) *= a;}
mint pow(ll t) const {
if (!t) return 1;
mint a = pow(t>>1);
a *= a;
if (t&1) a *= *this;
return a;
}
// for prime mod
mint inv() const { return pow(mod-2);}
mint& operator/=(const mint a) { return *this *= a.inv();}
mint operator/(const mint a) const { return mint(*this) /= a;}
};
std::istream& operator>>(std::istream& is, mint& a) { return is >> a.x;}
std::ostream& operator<<(std::ostream& os, const mint& a) { return os << a.x;}
struct combination {
std::vector<mint> fact, ifact;
combination(int n):fact(n+1),ifact(n+1) {
assert(n < mod);
fact[0] = 1;
for (int i = 1; i <= n; ++i) fact[i] = fact[i-1]*i;
ifact[n] = fact[n].inv();
for (int i = n; i >= 1; --i) ifact[i-1] = ifact[i]*i;
}
mint operator()(int n, int k) {
if (k < 0 || k > n) return 0;
return fact[n]*ifact[k]*ifact[n-k];
}
};
ll N, M;
mint mp[5010];
int main() {
std::cin >> N >> M;
mp[0] = 1;
rep( i, N )
mp[i+1] = mp[i]*M;
mint ans = mint(N)*mint(M).pow(N);
repi( x, 1, M+1 ) {
mint dp = 1;
repi( w, 1, N ) {
ans -= dp*mp[N-(w+1)]*(N-w);
dp *= M-x;
}
}
std::cout << ans << endl;
return 0;
} |
#include<bits/stdc++.h>
using namespace std;
#define FOR(i,s,t) for(int i=(s),_t=(t); i<=_t; ++i)
#define DOR(i,s,t) for(int i=(s),_t=(t); i>=_t; --i)
#define EOR(i,x) for(int i=Head[x]; ~i; i=Nxt[i])
typedef double db;
typedef long long ll;
typedef unsigned long long ull;
namespace Eddd {
char sc() {
return getchar();
static const int LEN=100000;
static char Buf[LEN],*OP=Buf,*ED=Buf;
if(OP==ED) ED=(OP=Buf)+fread(Buf,1,LEN,stdin);
return *OP++;
}
template<class T> void rd(T &x) {
static int c,f;x=f=0;
while(c=sc(),c<48) if(c=='-') f=1;
do x=(x<<3)+(x<<1)+(c^48);
while(c=sc(),c>47);if(f) x=-x;
}
template<class T> void pt(T x) {
if(x<0) putchar('-'),x=-x;
else if(!x) putchar('0');
static int Stk[30],tp=0;
for(; x; x/=10) Stk[tp++]=x%10;
while(tp) putchar(Stk[--tp]^48);
}
template<class T> void ptk(const T &x) {
pt(x);putchar(' ');
}
template<class T> void ptn(const T &x) {
pt(x);putchar('\n');
}
template<class T> bool chkmi(T &x,const T &y) {
return x>y?x=y,true:false;
}
template<class T> bool chkmx(T &x,const T &y) {
return x<y?x=y,true:false;
}
template<class T> T gcd(const T &x,const T &y) {
return y?gcd(y,x%y):x;
}
}
using namespace Eddd;
int main() {
int n,x;
rd(n);rd(x);
while(n--) {
int a;
rd(a);
if(a!=x) ptk(a);
}
putchar('\n');
return 0;
} | #include <bits/stdc++.h>
using namespace std;
int main() {
int N, X;
cin >> N >> X;
vector<int> A;
for (int i = 0; i < N; i++) {
int n;
cin >> n;
if (n != X) {
A.push_back(n);
}
}
bool first = true;
for (int apple : A) {
if (first) {
first = false;
} else {
cout << " ";
}
cout << apple;
}
cout << endl;
}
|
#include <stdio.h>
int f;
long long n, k;
long long l, m, r;
long long x, y, z;
long long r1(long long a) {
long long b = a * (a + 1) * (a + 2) / 6;
if (a > n) {
b -= (a - n) * (a - n + 1) * (a - n + 2) / 2;
}
return b;
}
long long r2(long long a) {
long long b;
if (x <= n) {
b = x * (x + 1) / 2;
b -= (x - a) * (x - a + 1) / 2;
return b;
}
else {
if (x - n < a) {
b = n * (n + 1) / 2;
b -= (n - a) * (n - a + 1) / 2;
b += (x - n) * (a - (x - n) - 1);
}
else {
b = (a + 2 * n - x - 1) * (a + 2 * n - x) / 2;
b -= (2 * n - x - 1) * (2 * n - x) / 2;
}
}
return b;
}
int main() {
scanf("%lld%lld", &n, &k);
if (2 * k == n * n * n + 1) {
printf("%lld %lld %lld\n", (n + 1) / 2, (n + 1) / 2, (n + 1) / 2);
return 0;
}
if (2 * k > n * n * n + 1) {
k = n * n * n + 1 - k;
f = 1;
}
r = n + (n - 1) / 2;
while (r - l - 1) {
m = (l + r) / 2;
if (r1(m) < k)l = m;
else r = m;
}
x = r;
if (r > n)r = n;
l = 0;
k -= r1(x - 1);
while (r - l - 1) {
m = (l + r) / 2;
if (r2(m) < k)l = m;
else r = m;
}
y = r;
z = k - r2(l);
if (n < x && y <= x - n) {
z += x - n - y + 1;
}
if (f)printf("%lld %lld %lld\n", n + 1 - y, n + 1 - z, n + 1 - (x - y - z + 2));
else printf("%lld %lld %lld\n", y, z, x - y - z + 2);
} | #include<bits/stdc++.h>
typedef long long ll;
using namespace std;
ll seq[4000005];
int main(){
ll n,k;
cin>>n>>k;
for(int i=n;i<=n*2-1;i++)seq[i]=i+1-n;
for(int i=n*2;i<=n*3-2;i++)seq[i]=n*3-1-i;
ll cnt=0,sum=0,S=3;
int l=3*n-2,r=4*n-3;
for(int I=1;I<=3*n-2;I++){
cnt-=seq[r+1];
cnt+=seq[l];
if(sum+cnt>=k)break;
else sum+=cnt;
l--;
r--;
S++;
}
int p;
for(p=1;p<=r-l+1;p++){
if(sum+seq[p+l-1]>=k)break;
else sum+=seq[p+l-1];
}
for(int i=1;i<=n;i++){
if(p+i>=S-n && p+i<S)sum++;
if(sum==k){
cout<<p<<' '<<i<<' '<<S-p-i<<endl;
break;
}
}
return 0;
} |
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
#ifdef ENABLE_DEBUG
#define dump(a) cerr<<#a<<"="<<a<<endl
#define dumparr(a,n) cerr<<#a<<"["<<n<<"]="<<a[n]<<endl
#else
#define dump(a)
#define dumparr(a,n)
#endif
#define FOR(i, a, b) for(ll i = (ll)a;i < (ll)b;i++)
#define For(i, a) FOR(i, 0, a)
#define REV(i, a, b) for(ll i = (ll)b-1LL;i >= (ll)a;i--)
#define Rev(i, a) REV(i, 0, a)
#define REP(a) For(i, a)
#define SIGN(a) (a==0?0:(a>0?1:-1))
typedef long long int ll;
typedef unsigned long long ull;
typedef unsigned int uint;
typedef pair<ll, ll> pll;
typedef pair<ll,pll> ppll;
typedef vector<ll> vll;
typedef long double ld;
typedef pair<ld,ld> pdd;
pll operator+(pll a,pll b){
return pll(a.first+b.first,a.second+b.second);
}
pll operator-(pll a,pll b){
return pll(a.first-b.first,a.second-b.second);
}
pll operator*(ll a,pll b){
return pll(b.first*a,b.second*a);
}
const ll INF=(1LL<<60);
#if __cplusplus<201700L
ll gcd(ll a, ll b) {
a=abs(a);
b=abs(b);
if(a==0)return b;
if(b==0)return a;
if(a < b) return gcd(b, a);
ll r;
while ((r=a%b)) {
a = b;
b = r;
}
return b;
}
#endif
template<class T>
bool chmax(T& a,const T& b){
if(a<b){
a=b;
return true;
}
return false;
}
template<class T>
bool chmin(T& a,const T& b){
if(a>b){
a=b;
return true;
}
return false;
}
template<class S,class T>
std::ostream& operator<<(std::ostream& os,pair<S,T> a){
os << "(" << a.first << "," << a.second << ")";
return os;
}
template<class T>
std::ostream& operator<<(std::ostream& os,vector<T> a){
os << "[ ";
REP(a.size()){
os<< a[i] << " ";
}
os<< " ]";
return os;
}
const long long MOD = 1000000007;
long long modpow(long long a,unsigned long long b){
long long base=a,ans=(1LL);
while(b){
if(b&1){
ans=ans*base%MOD;
}
base=base*base%MOD;
b>>=1;
}
return ans;
}
long long invpow(long long a){
return modpow(a,MOD-2);
}
class UF{
vector<long> par,rank,size_uf;
long _chunk_size;
public:
UF(long size):_chunk_size(size){
for (long i = 0; i < size; i++) {
par.push_back(i);
rank.push_back(0);
size_uf.push_back(1);
}
}
long find(long x){
if(par[x]==x)return x;
return par[x]=find(par[x]);
}
void unite(long x,long y){
x=find(x);
y=find(y);
if(x==y)return;
--_chunk_size;
if(rank[x]<rank[y]){
par[x]=y;
size_uf[y]+=size_uf[x];
}
else{
par[y]=x;
size_uf[x]+=size_uf[y];
if(rank[x]==rank[y])rank[x]++;
}
}
bool same(long x,long y){
return find(x)==find(y);
}
long operator [](long x){
return this->find(x);
}
long size(long x){
x=find(x);
return size_uf[x];
}
long chunk_size(){
return this->_chunk_size;
}
};
void solve(long long H, long long W, std::vector<std::string> S){
ll K=0;
UF uft(H*W),ufy(H*W);
For(i,H){
For(j,W){
if(S[i][j]=='.'){
++K;
if(i<H-1&&S[i+1][j]=='.'){
uft.unite(W*i+j,W*(i+1)+j);
}
if(j<W-1&&S[i][j+1]=='.'){
ufy.unite(W*i+j,W*i+j+1);
}
}
}
}
ll all = modpow(2,K)*K%MOD;
ll diff=0;
For(i,H){
For(j,W){
if(S[i][j]=='.'){
ll cnt=uft.size(W*i+j)+ufy.size(W*i+j)-1;
diff=(diff+modpow(2,K-cnt))%MOD;
}
}
}
cout<<(MOD+all-diff)%MOD<<endl;
}
int main(){
cout<<setprecision(1000);
long long H;
scanf("%lld",&H);
long long W;
scanf("%lld",&W);
std::vector<std::string> S(H);
for(int i = 0 ; i < H ; i++){
std::cin >> S[i];
}
solve(H, W, std::move(S));
return 0;
}
| #include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#define rep(i, n) for (int i = 0; i < (n); ++i)
using namespace std;
typedef long long ll;
constexpr ll mod = 1e9 + 7;
ll modpow(ll a, ll b) {
ll r = 1;
while (b) {
if (b & 1) r = r * a % mod;
a = a * a % mod;
b >>= 1;
}
return r;
}
int main() {
// ios::sync_with_stdio(false);
// cin.tie(nullptr);
ll n, w, h, ans = 0, cnt = 0;
cin >> h >> w;
string s[h];
ll tate[h][w] = {}, yoko[h][w] = {};
rep(i, h) cin >> s[i];
rep(i, h) rep(j, w) if (s[i][j] == '.') cnt++;
if (cnt == h * w) {
ll t = h + w - 1;
ans = (modpow(2, t) - 1) * modpow(2, h * w - t);
ans %= mod;
ans *= h * w;
ans %= mod;
cout << ans << endl;
return 0;
}
ans = 0;
rep(i, h) rep(j, w) {
if (s[i][j] == '#') continue;
ll now = 1;
for (int k = i - 1; k >= 0; --k)
if (s[k][j] == '.')
now++;
else
break;
for (int k = i + 1; k < h; ++k)
if (s[k][j] == '.')
now++;
else
break;
for (int k = j - 1; k >= 0; --k)
if (s[i][k] == '.')
now++;
else
break;
for (int k = j + 1; k < w; ++k)
if (s[i][k] == '.')
now++;
else
break;
ll add = (modpow(2, now) - 1) * modpow(2, cnt - now) % mod;
(ans += add) %= mod;
}
cout << ans << endl;
return 0;
} |
#include<bits/stdc++.h>
using namespace std;
#define w(x) int x;cin>>x;while(x--)
#define ll long long int
#define ld long double
#define pb push_back
#define fast ios_base::sync_with_stdio(false);cin.tie(NULL)
#define vi vector<int>
#define inf 1e18
#define mod 998244353
void solve()
{
ll no;
cin>>no;
ll k=5;
vector<ll>v5;
vector<ll>v3;
while(k<=inf){
v5.pb(k);
k=k*5;
}
k=3;
while(k<=inf){
v3.pb(k);
k=k*3;
}
int n=v3.size();
int m=v5.size();
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
if(v3[i]+v5[j]==no){
cout<<i+1<<" "<<j+1<<"\n";
return;
}
}
}
cout<<"-1\n";
}
int main() {
/*#ifndef ONLINE_JUDGE
freopen("input.txt", "r",stdin);
freopen("output.text", "w",stdout);
#endif*/
fast;
/*ll t;
cin>>t;
while(t--)*/
solve();
return 0;
} | #include <iostream>
#include <climits>
#include <list>
#include <queue>
#include <stack>
#include <set>
#include <functional>
#include <algorithm>
#include <string>
#include <map>
#include <unordered_map>
#include <unordered_set>
#include <iomanip>
#include <cmath>
#include <random>
#include <bitset>
#include <cstdio>
#include <numeric>
#include <cassert>
#include <ctime>
using namespace std;
#define PB push_back
#define MP make_pair
#define YES cout << "YES" << endl
#define Yes cout << "Yes" << endl
#define NO cout << "NO" << endl
#define No cout << "No" << endl
#define INF (1 << 28)
#define LLINF (1LL << 60)
#define MOD 998244353
//#define MOD 1000000007
#define rep(i, n) for (int i = 0; i < n; i++)
#define llrep(i, n) for (ll i = 0; i < n; i++)
using ll = long long;
typedef pair<ll, ll> P;
int main()
{
int n;
cin>>n;
if(floor(1.08*n)<206){
cout << "Yay!" << endl;
}
else if(floor(1.08*n)==206){
cout << "so-so" << endl;
}
else{
cout << ":(" << endl;
}
return 0;
} |
#include <bits/stdc++.h>
using namespace std;
vector<int> G[25];
int a[25], c[25];
vector<int> tmp;
void dfs1(int u) {
a[u] = 1;
tmp.push_back(u);
for (int v : G[u]) {
if (!a[v]) dfs1(v);
}
}
long long dfs2(int i) {
int u = tmp[i];
bool vis[3] = {false, false, false};
for (int v : G[u]) {
if (~c[v]) vis[c[v]] = true;
}
long long res = 0;
for (int j = 0; j < 3; ++j) {
if (!vis[j]) {
c[u] = j;
if (i == (int)tmp.size() - 1) ++res;
else res += dfs2(i + 1);
c[u] = -1;
}
}
return res;
}
int main() {
int n, m;
scanf("%d %d", &n, &m);
memset(c, -1, sizeof(c));
for (int i = 1; i <= m; ++i) {
int u, v;
scanf("%d %d", &u, &v);
G[u].push_back(v);
G[v].push_back(u);
}
long long res = 1;
for (int i = 1; i <= n; ++i) {
if (!a[i]) {
tmp.clear();
dfs1(i);
res *= dfs2(0);
}
}
printf("%lld\n", res);
return 0;
} | #include <iostream>
#include <string>
#include <vector>
#include <set>
#include <map>
#include <queue>
#include <stack>
#include <algorithm>
#include <math.h>
#include <cassert>
#define rep(i,n) for(int i = 0; i < n; ++i )
using namespace std;
using ll = long long;
int v[20][2];
int main() {
int n,m;
cin >> n >> m;
vector<int> a(m),b(m);
rep(i,m) cin >> a[i] >> b[i], --a[i], --b[i];
int k;
cin >> k;
rep(i,k) cin >> v[i][0] >> v[i][1], --v[i][0], --v[i][1];
int ans = 0;
rep(x,1<<k){
vector<bool> t(n);
rep(i,k) t[v[i][x>>i&1]] = true;
int res = 0;
rep(i,m) if(t[a[i]]&&t[b[i]]) ++res;
ans = max(ans,res);
}
cout << ans << endl;
}
|
#include<bits/stdc++.h>
#define pb emplace_back
#define pf first
#define ps second
#define all(x) x.begin(),x.end()
#define allr(x) x.rbegin(),x.rend()
#define Endl '\n'
#define codejam cout<<"Case #"<<t<<": ";
#define pl pair<ll,ll>
#define mod 1000000007
#define INF 1000000001
#define forn(i,n) for(ll i=0;i<n;i++)
#define MAX 200002
#define fast ios_base::sync_with_stdio(false);cin.tie(NULL);
using namespace std;
typedef long long int ll;
ll gcd(ll a,ll b)
{
if(b==0) return a;
return gcd(b,a%b);
}
//////////////////////////////////// JAI SHREE RAM /////////////////////////////////////
void JAISHREERAM()
{
ll n,i,j,ans=0;
string a;
cin>>a;
n=a.size();
i=0;
while(i<n && a[i]=='0') i++;
j=n-1;
while(j>=0 && a[j]=='0') j--;
while(i<j)
{
if(a[i]!=a[j]) return void(cout<<"No");
i++,j--;
}
cout<<"Yes";
}
int main()
{
fast;
int T=1;
// cin>>T;
for(int t=1;t<=T;t++)
{
// codejam
JAISHREERAM();
}
return 0;
} | #pragma GCC optimize("Ofast")
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define eb emplace_back
#define mp make_pair
#define pb push_back
#define watch(x) cout << (#x) << " = " << (x) << endl;
#define w(x) int x; cin >> x; while(x--)
#define all(x) (x.begin(), x.end())
#define fastIO ios_base::sync_with_stdio(false); cin.tie(nullptr);
#define vi vector<int>
#define lcm(x, y) (x/__gcd(x, y))*y
#define sayHi cout << "Say Hi!!!!!!!!!!!!!!!!!!!!!!!!!\n";
#define rep(i,k,n) for(int i=k; i<n; i++)
#define REPR(i,k,n) for (int (i) = (k); (i) >= (n); (i)--)
#define sumAll(a) (accumulate ((a).begin(), (a).end(), 0ll))
#define mine(a) (*min_element((a).begin(), (a).end()))
#define maxe(a) (*max_element((a).begin(), (a).end()))
#define mini(a) (min_element((a).begin(), (a).end()) - (a).begin())
#define maxi(a) (max_element((a).begin(), (a).end()) - (a).begin())
#define lowb(a, x) (lower_bound((a).begin(), (a).end(), (x)) - (a).begin())
#define uppb(a, x) (upper_bound((a).begin(), (a).end(), (x)) - (a).begin())
#define mem0(a) (memset(a, 0, sizeof(a)))
#define mem1(a) (memset(a, -1, sizeof(a)))
const int MAXN = (int)((1e5) + 100);
const long long MOD = 1e9 + 7;
bool isPrime(ll n){if(n<2)return false;for(ll i=2;i*i<=n; i++){if(n%i==0)return false;}return true;}
int countDigit(ll n){int count=0;while(n!=0){n/=10;++count;}return count;}
void removeCharFromString(string &str,const char &ch){str.erase(remove(str.begin(),str.end(),ch),str.end());}
void showTime() {cerr<<"\nExecution time: "<<(float)clock()/CLOCKS_PER_SEC<<" secs\n";}
long long binExp(long long base,long long pow){
long long result=1;
while(pow){
if(pow%2){result*=base;}
base*=base;
pow/=2;
}
return result;
}
long long binExpMod(long long base,long long pow,long long M){
long long result=1;
while(pow){
if(pow%2){result=(result*base)%M;}
base=(base*base)%M;
pow/=2;
}
return result;
}
bool sortBySecAsc(const pair<ll,ll> &a, const pair<ll,ll> &b){
return (a.second < b.second);
}
bool sortBySecDes(const pair<ll,ll> &a, const pair<ll,ll> &b){
return (a.second > b.second);
}
/*#ifndef ONLINE_JUDGE
freopen("input.txt","r",stdin);
freopen("output.txt","w",stdout);
#endif*/
/*-----------------------------------------------------------------------------------------------------------------*/
int main() {
fastIO
ll n;
cin >> n;
if(n==0) {
cout << "Yes";
return 0;
}
while(n%10 == 0) {
n/=10;
}
string s, temp2;
s = temp2 = to_string(n);
reverse(s.begin(), s.end());
if(temp2 == s) {
cout << "Yes";
}else {
cout << "No";
}
return 0;
}
|
#include <cstdio>
#include <cstring>
#include <string>
#include <iostream>
#include <algorithm>
#define M 100001
int n, m, pthn, ans[M], head[M];
struct Edge {
int nxt, to, w;
}pth[M << 2];
void add(int from, int to, int w) {
pth[++pthn].to = to, pth[pthn].nxt = head[from];
pth[pthn].w = w, head[from] = pthn;
}
void dfs(int u, int now, int last) {
if (now == -1 && last == -1) ans[u] = 1;
else if (now == last) ans[u] = now + 1;
else if (now != last) ans[u] = now;
if (ans[u] > n) ans[u] = 1;
for (int i = head[u]; i; i = pth[i].nxt) {
int v = pth[i].to;
if (ans[v]) continue;
dfs(v, pth[i].w, ans[u]);
}
}
int main() {
scanf("%d %d", &n, &m);
for (int i = 1, u, v, w; i <= m; ++i) {
scanf("%d %d %d", &u, &v, &w);
add(u, v, w), add(v, u, w);
}
dfs(1, -1, -1);
for (int i = 1; i <= n; ++i) printf("%d\n", ans[i]);
return 0;
} | #include<bits/stdc++.h>
#define io ios_base::sync_with_stdio(0);
#define tie cin.tie(NULL);
#define Inf (1LL<<62)
#define inf (1<<30)
#define ll long long
#define pr pair<int,int>
#define pb push_back
#define fr0(i,n) for(i=0;i<n;i++)
#define fr1(i,n) for(i=1;i<=n;i++)
#define no cout<<"No\n";
#define yes cout<<"Yes\n";
#define mp make_pair
#define nl cout<<"\n";
#define mem(ara,val) memset(ara,val,sizeof(ara))
#define case(cs,n) printf("Case #%d: %lld\n",cs,n)
const int mx=2e5;
const ll mod=100000007;
using namespace std;
vector<ll>a(500,Inf),b(500,Inf);
ll c[500][500];
bool mat(int n)
{
int i,j;
fr0(i,n) b[0]=min(c[i][0],b[0]);
fr0(i,n) a[i]=c[i][0]-b[0];
fr1(j,n-1)
{
b[j]=c[0][j]-a[0];
fr1(i,n-1)
{
if(c[i][j]-a[i]!=b[j]) return 0;
}
}
return 1;
}
int main()
{
io tie
int n,i,j;
cin>>n;
fr0(i,n) fr0(j,n) cin>>c[i][j];
if(mat(n))
{
yes
fr0(i,n) cout<<a[i]<<' '; nl
fr0(i,n) cout<<b[i]<<' '; nl
}
else no
} |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef vector<int> vll;
typedef pair<int, int> pii;
#define F first
#define S second
#define PB push_back
#define MP make_pair
#define ALL(v) v.begin(), v.end()
#define rALL(v) v.rbegin(), v.rend()
#define INF 1000000007LL
#define MOD 998244353LL
const int LIM = 2e5 + 5;
void solve()
{
int n;
cin >> n;
vi v(n);
for(auto& i : v)
cin >> i;
sort(ALL(v));
reverse(ALL(v));
ll ways = 1;
for(int i = 1; i < n; i++)
{
ll p = v[i - 1] - v[i] + 1;
ways = ways * p % INF;
}
ways = ways * (v[n - 1] + 1) % INF;
cout << ways << '\n';
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int t = 1;
// cin >> t;
while (t--)
{
solve();
}
return 0;
}
| #include <bits/stdc++.h>
using namespace std;
int MOD = 998244353;
int N=3141, M=2718;
long comblist[6000];
long result[6000];
long fastpow(long a, int p){
long ans = 1;
while(p>0){
if (p%2==1)
ans = ans * a % MOD;
p >>= 1;
a = a * a % MOD;
}
return ans;
}
long fastinv(long a){
return fastpow(a, MOD - 2);
}
void preparecomb(){
comblist[0] = 1;
for (int i = 1; i <= N ; i++)
{
comblist[i] = comblist[i - 1] * (N - i + 1) % MOD * fastinv(i) % MOD;
}
}
void print(auto x){
cout << x << endl;
}
long solve2(){
//result[i] == f(2i)
result[0] = 1;
result[1] = comblist[2];
int i = 2;
while(2*i<=M){
for (int j = i>>1;j>=0&&2*(i-2*j)<=N; j--){
result[i] += result[j] * comblist[2*(i-2*j)] % MOD;
result[j] %= MOD;}
i++;
}
return result[M / 2] % MOD;
}
int main2()
{
cin >> N >> M;
if (N == 1 || M % 2 == 1)
{
print(0);
return 0;
}
if (N==2){
print(1);
return 0;
}
preparecomb();
print(solve2());
return 0;
}
int main(){
while(true){
main2();
break;
}
} |
#include <bits/stdc++.h>
#define ld long double
#define ll long long
#define pb push_back
#define mp make_pair
#define ff first
#define ss second
#define no cout<<"NO\n";
#define yes cout<<"YES\n";
#define nl cout<<"\n";
#define sp <<" "<<
#define ull unsigned long long
#define FAST ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0);srand(time(NULL));
#define MOD 1000000007
#define INF LONG_LONG_MAX
#define MINF LONG_LONG_MIN
using namespace std;
bool pr(int n){
if (n <= 1)
return 0;
for (ll i=2;i*i<=n;i++)
if (n%i == 0)
return 0;
return 1;
}
int main()
{
FAST
ll a,b;cin>>a>>b;
if(a+b>=15 && b>=8){
cout<<1<<endl;
}
else if(a+b>=10 &&b>=3)
{
cout<<2<<endl;
}
else if((a+b)>=3){
cout<<3<<endl;
}
else{
cout<<4<<endl;
}
} | #include <bits/stdc++.h>
using namespace std;
int main() {
int N, L;
cin >> N >> L;
if(N == L){
cout << N << endl;
}else if(N != 0 && L != 0){
cout << 0 << endl;
}else if(N != 1 && L != 1){
cout << 1 << endl;
}else{
cout << 2 << endl;
}
return 0;
} |
#include<bits/stdc++.h>
using namespace std;
#define fi(a,b) for(int i=a;i<b;i++)
#define fj(a,b) for(int j=a;j<b;j++)
#define ff first
#define ss second
#define ll long long
#define ld long double
#define ull unsigned long long
#define bp(x) __builtin_popcount(x)
#define pr(x) for(auto it: x) cout<<it<<" "; cout<<endl;
#define getMax(x) max_element(x.begin(),x.end())
#define getMin(x) min_element(x.begin(),x.end())
#define endl "\n"
typedef vector<int> vi;
typedef vector< pair<int, int> > vii;
typedef vector<long long> vl;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector< pair<ll, ll> > vll;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
// auto dist = uniform_int_distribution<int>(l, r);
// int dx[] = {1, 0, -1, 0};
// int dy[] = {0, 1, 0, -1};
// int dx[] = { -1, 0, 1, 1, 1, 0, -1, -1};
// int dy[] = { -1, -1, -1, 0, 1, 1, 1, 0};
vector<vi>adj;
vl depth, in, out, ans;
vector<vi> cache;
int tym = 0;
void dfs(int u = 0, int pre = -1, int dep = 0) {
depth[u] = dep;
in[u] = tym++;
cache[dep].push_back(in[u]);
for (auto v : adj[u]) {
if (v == pre) continue;
dfs(v, u, dep + 1);
}
out[u] = tym++;
}
bool isAnc(int u, int v) {
return (in[u] <= in[v] and out[u] >= out[v]);
}
void omae_wa_mou_shindeiru(int tc) {
int n;
cin >> n;
depth.assign(n, 0);
adj.assign(n, vi({}));
in.assign(n, 0);
out.assign(n, 0);
cache.assign(n + 5, vi({}));
fi(1, n) {
int v;
cin >> v;
v--;
adj[i].push_back(v);
adj[v].push_back(i);
}
dfs();
int q;
cin >> q;
ans.assign(q, 0);
fi(0, q) {
ll u, d;
cin >> u >> d;
u--, d;
cout << lower_bound(cache[d].begin(), cache[d].end(), out[u]) - lower_bound(cache[d].begin(), cache[d].end(), in[u]) << endl;
}
}
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
int tc = 1;
// cin >> tc;
fi(1, tc + 1) {
omae_wa_mou_shindeiru(i);
}
}
| #include <bits/stdc++.h>
#define fi first
#define se second
#define rep(i,s,n) for (int i = (s); i < (n); ++i)
#define rrep(i,n,g) for (int i = (n)-1; i >= (g); --i)
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
#define len(x) (int)(x).size()
#define dup(x,y) (((x)+(y)-1)/(y))
#define pb push_back
#define eb emplace_back
#define Field(T) vector<vector<T>>
#define pq(T) priority_queue<T,vector<T>,greater<T>>
using namespace std;
using ll = long long;
using P = pair<int,int>;
struct ArbitraryModInt {
int x;
ArbitraryModInt() : x(0) {}
ArbitraryModInt(int64_t y) : x(y >= 0 ? y % get_mod() : (get_mod() - (-y) % get_mod()) % get_mod()) {}
static int &get_mod() {
static int mod = 0;
return mod;
}
static void set_mod(int md) {
get_mod() = md;
}
ArbitraryModInt &operator+=(const ArbitraryModInt &p) {
if((x += p.x) >= get_mod()) x -= get_mod();
return *this;
}
ArbitraryModInt &operator-=(const ArbitraryModInt &p) {
if((x += get_mod() - p.x) >= get_mod()) x -= get_mod();
return *this;
}
ArbitraryModInt &operator*=(const ArbitraryModInt &p) {
unsigned long long a = (unsigned long long) x * p.x;
unsigned xh = (unsigned) (a >> 32), xl = (unsigned) a, d, m;
asm("divl %4; \n\t" : "=a" (d), "=d" (m) : "d" (xh), "a" (xl), "r" (get_mod()));
x = m;
return *this;
}
ArbitraryModInt &operator/=(const ArbitraryModInt &p) {
*this *= p.inv();
return *this;
}
ArbitraryModInt operator-() const { return ArbitraryModInt(-x); }
ArbitraryModInt operator+(const ArbitraryModInt &p) const { return ArbitraryModInt(*this) += p; }
ArbitraryModInt operator-(const ArbitraryModInt &p) const { return ArbitraryModInt(*this) -= p; }
ArbitraryModInt operator*(const ArbitraryModInt &p) const { return ArbitraryModInt(*this) *= p; }
ArbitraryModInt operator/(const ArbitraryModInt &p) const { return ArbitraryModInt(*this) /= p; }
bool operator==(const ArbitraryModInt &p) const { return x == p.x; }
bool operator!=(const ArbitraryModInt &p) const { return x != p.x; }
ArbitraryModInt inv() const {
int a = x, b = get_mod(), u = 1, v = 0, t;
while(b > 0) {
t = a / b;
swap(a -= t * b, b);
swap(u -= t * v, v);
}
return ArbitraryModInt(u);
}
ArbitraryModInt pow(int64_t n) const {
ArbitraryModInt ret(1), mul(x);
while(n > 0) {
if(n & 1) ret *= mul;
mul *= mul;
n >>= 1;
}
return ret;
}
friend ostream &operator<<(ostream &os, const ArbitraryModInt &p) {
return os << p.x;
}
friend istream &operator>>(istream &is, ArbitraryModInt &a) {
int64_t t;
is >> t;
a = ArbitraryModInt(t);
return (is);
}
};
using mint = ArbitraryModInt;
void mul(vector<mint> &dp, int d) {
int MAX = len(dp)-1;
rrep(i,MAX+1,d) {
dp[i] -= dp[i - d];
}
}
void div(vector<mint> &dp, int d) {
int MAX = len(dp);
rep(i,d,MAX+1) {
dp[i] += dp[i - d];
}
}
int main() {
int n, k, m;
cin >> n >> k >> m;
mint::set_mod(m);
vector<mint> dp(n*n*k+1, 0);
vector<vector<mint>> vals(n+1, vector<mint>(n*n*k+1));
dp[0] = mint(1);
vals[0][0] = dp[0];
rep(i,1,n) {
div(dp, i);
mul(dp, i*(k+1));
rep(j,0,n*n*k) {
vals[i][j] = dp[j];
}
}
rep(i,0,n) {
mint ans = 0;
rep(j,0,n*n*k+1) {
ans += vals[i][j] * vals[n-i-1][j];
}
cout << ans*(k+1)-1 << endl;
}
return 0;
}
|
#include<bits/stdc++.h>
#define ll long long
using namespace std;
int main(){
int n,s,d;
cin>>n>>s>>d;
int sec[n];
int pow[n];
for(int i=0;i<n;i++){
cin>>sec[i];
cin>>pow[i];
}
int count=0;
for(int i=0;i<n;i++){
if(sec[i]<s and pow[i]>d){
count++;
}
}
if(count>0){
cout<<"Yes"<<endl;
}
else{
cout<<"No"<<endl;
}
}
| #include <bits/stdc++.h>
using namespace std;
typedef long long ll;
//イテレーション
#define REP(i,n) for(ll i=0;i<ll(n);i++)
#define REPD(i,n) for(ll i=n-1;i>=0;i--)
#define FOR(i,a,b) for(ll i=a;i<=ll(b);i++)
#define FORD(i,a,b) for(ll i=a;i>=ll(b);i--)
#define FORA(i,I) for(const auto& i:I)
//x:コンテナ
#define ALL(x) x.begin(),x.end()
#define SIZE(x) ll(x.size())
//定数
#define INF32 2147483647 //2.147483647×10^{9}:32bit整数のinf
#define INF64 9223372036854775807 //9.223372036854775807×10^{18}:64bit整数のinf
//#define MOD 1000000007 //問題による
//略記
#define F first
#define S second
//出力(空白区切りで昇順に)
#define coutALL(x) for(auto i=x.begin();i!=--x.end();i++)cout<<*i<<" ";cout<<*--x.end()<<endl;
const string YES = "Yes";
const string NO = "No";
void solve(long long N, long long S, long long D, std::vector<long long> X, std::vector<long long> Y){
REP(i, N) {
if (X[i] < S && Y[i] > D) {
cout << YES << endl;
return;
}
}
cout << NO << endl;
}
signed main(){
//小数の桁数の出力指定
cout<<fixed<<setprecision(10);
//入力の高速化用のコード
ios::sync_with_stdio(false);
cin.tie(nullptr);
long long N;
scanf("%lld",&N);
long long S;
scanf("%lld",&S);
long long D;
scanf("%lld",&D);
std::vector<long long> X(N);
std::vector<long long> Y(N);
for(ll i = 0 ; i < N ; i++){
scanf("%lld",&X[i]);
scanf("%lld",&Y[i]);
}
solve(N, S, D, std::move(X), std::move(Y));
return 0;
}
|
#include <bits/stdc++.h>
using namespace std;
int main() {
int N;
cin >> N;
vector<int>A(N),B(N),C(N);
vector<int>cnt(N+1);
for(int i = 0; i < N; i++) {
cin >> A[i];
}
for(int i = 0; i < N; i++) {
cin >> B[i];
}
for(int i = 0; i < N; i++) {
cin >> C[i];
C[i] = B[C[i]-1];
cnt[C[i]]++;
}
long long ans = 0;
for(int i = 0; i < N; i++) {
ans += cnt[A[i]];
}
cout << ans << endl;
}
| #include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <stack>
#include <queue>
#include <cmath>
#include <tuple>
#include <cstdio>
#include <bitset>
#include <sstream>
#include <iterator>
#include <numeric>
#include <map>
#include <cstring>
#include <set>
#include <functional>
#include <iomanip>
using namespace std;
#define DEBUG_ //!!$BDs=P;~$K%3%a%s%H%"%&%H(B!!
#ifdef DEBUG_
#define dump(x) cerr << #x << " = " << (x) << endl;
#else
#define dump(x) ;
#endif
#define equals(a,b) (fabs((a)-(b)) < EPS)
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n) FOR(i,0,n)
#define SZ(x) ((int)(x).size())
#define pb push_back
#define eb emplace_back
//#define int long long
typedef long long LL;
typedef vector<int> VI;
typedef vector<LL> VL;
typedef vector<VI> VVI;
typedef vector<VL> VVL;
typedef vector<string> VS;
typedef pair<int, int> PII;
typedef pair<LL, LL> PLL;
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }
template <typename T>
std::string printVector(const std::vector<T> &data)
{
std::stringstream ss;
std::ostream_iterator<T> out_it(ss, ", ");
ss << "[";
std::copy(data.begin(), data.end() - 1, out_it);
ss << data.back() << "]";
return ss.str();
}
template <typename T>
void print_array(const T &ary, int size){
REP(i,size){
cout << ary[i] << " ";
}
cout << endl;
}
const int mod = 1e9+7;
const LL LINF = 1001002003004005006ll;
const int INF = 1001001001;
const double EPS = (1e-10);
const long double PI = 3.14159265358979323846264338327950288419716939937510582097494459230781640628620899;
int dx[] = {0,0,-1,1};
int dy[] = {-1,1,0,0};
signed main(int argc, char const *argv[])
{
cin.tie(0);
ios::sync_with_stdio(false);
cout << setprecision(12);
int N; cin >> N;
VI A(N),B(N);
REP(i,N) cin >> A[i];
REP(i,N) cin >> B[i];
int amax = -1, bmin = INF;
REP(i,N){
chmax(amax, A[i]);
chmin(bmin, B[i]);
}
cout << max(0, bmin-amax+1) << endl;
} |
#include<bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define ll long long int
#define pb push_back
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
#define all(v) v.begin(),v.end()
typedef tree<pair<ll, ll>, null_type, less< pair<ll,ll>>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
const ll mod=(1e+9)+7;
const ll MAX = 5e5+9;
const ll INF = 1e9;
ll power(ll a,ll b,ll m = mod) {ll res = 1;while(b>0){if(b&1)res = (res*a)%m;b = b>>1;a = (a*a)%m;}return res;}
bool prime[10000];
void sieve(ll n)
{
memset(prime, true, sizeof(prime));
for(ll i = 2; i*i <= n; i++){
if(prime[i]){
for(ll p = i*i; p <= n; p += i)
prime[p] = false;
}
}
ll cnt = 0;
for(ll i = 1; i <= n; i++){
if(prime[i]){
cnt++;
}
}
}
void factors(ll n){
for(ll i = 1; i*i <= n; i++){
if(n%i == 0){
cout<<i<<" ";
if(n/i != i){
cout<<n/i<<" ";
}
}
}
cout<<"\n";
}
vector <ll> G[MAX];
bool vis[MAX];
void dfs(ll v){
if(vis[v] == true)
return;
vis[v] = true;
for(ll i = 0; i < G[v].size(); i++){
dfs(G[v][i]);
}
}
int main()
{
fastio;
ll t = 1;
// cin>>t;
while(t--)
{
ll a,b;
cin >> a >> b;
cout << a*b*1.0/100<<"\n";
}
}
//ordered set is a policy based data structure with 2 extra funcs st.order_of_key(x) (no of elements which are strictly //smaller than x)
//find_by_order(x) returns the iterator corresponding to the xth position {1 based index} both functions take log(n) time
| #include <iostream>
#include <iomanip>
#include <fstream>
#include <set>
#include <map>
#include <stack>
#include <queue>
#include <vector>
#include <algorithm>
#include <cmath>
#include <complex>
#include <chrono>
using namespace std;
int main(int argc, const char * argv[]) {
ios::sync_with_stdio(false);
cin.tie(0);
int N; cin >> N;
double x0, y0, xop, yop;
cin >> x0 >> y0 >> xop >> yop;
double cx = (x0 + xop) / 2., cy = (y0 + yop) / 2.;
double vx = x0 - cx, vy = y0 - cy;
double x1 = cx + cos(2. * M_PI / N) * vx - sin(2. * M_PI / N) * vy;
double y1 = cy + sin(2. * M_PI / N) * vx + cos(2. * M_PI / N) * vy;
printf("%.10f %.10f\n", x1, y1);
return 0;
}
|
// #define _GLIBCXX_DEBUG // for STL debug (optional)
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <string>
#include <cstring>
#include <deque>
#include <list>
#include <queue>
#include <stack>
#include <vector>
#include <utility>
#include <algorithm>
#include <map>
#include <set>
#include <complex>
#include <cmath>
#include <limits>
#include <cfloat>
#include <climits>
#include <ctime>
#include <cassert>
#include <numeric>
#include <fstream>
#include <functional>
#include <bitset>
using namespace std;
using ll = long long int;
using int64 = long long int;
template<typename T> void chmax(T &a, T b) {a = max(a, b);}
template<typename T> void chmin(T &a, T b) {a = min(a, b);}
template<typename T> void chadd(T &a, T b) {a = a + b;}
int dx[] = {0, 0, 1, -1};
int dy[] = {1, -1, 0, 0};
const int INF = 1LL << 29;
const ll LONGINF = 1LL << 60;
const ll MOD = 1000000007LL;
int main() {
int N; cin >> N;
N <<= 1;
vector<int> A(N);
for(auto &e : A) cin >> e;
vector< pair<int, int> > pairs;
for(int i=0; i<N; i++) {
pairs.emplace_back(A[i], i);
}
sort(pairs.rbegin(), pairs.rend());
vector<int> isBig(N);
for(int i=0; i<N; i++) {
int idx = pairs[i].second;
isBig[idx] = (i < N/2);
}
stack<int> stk;
string s = "";
for(int i=0; i<N; i++) {
if(stk.empty() or stk.top() == isBig[i]) {
s += "(";
stk.push(isBig[i]);
}
else {
s += ")";
stk.pop();
}
}
cout << s << endl;
return 0;
}
| //#include <bits/stdc++.h>
#include <iostream>
#include <iomanip>
#include <math.h>
#include <cmath>
#include <algorithm>
#include <climits>
#include <functional>
#include <cstring>
#include <string>
#include <cstdlib>
#include <ctime>
#include <cstdio>
#include <vector>
#include <stack>
#include <queue>
#include <deque>
#include <map>
#include <set>
#include <bitset>
#include <complex>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
#define itn int
#define nit int
#define ll long long
#define ms multiset
#define F(i,a,b) for(register int i=a,i##end=b;i<=i##end;++i)
#define UF(i,a,b) for(register int i=a,i##end=b;i>=i##end;--i)
#define re register
#define ri re int
#define il inline
#define pii pair<int,int>
#define cp complex<double>
//#pra gma G CC opti mize(3)
using namespace std;
using std::bitset;
//using namespace __gnu_pbds;
const double Pi=acos(-1);
namespace fastIO {
template<class T>
inline void read(T &x) {
x=0;
bool fu=0;
char ch=0;
while(ch>'9'||ch<'0') {
ch=getchar();
if(ch=='-')fu=1;
}
while(ch<='9'&&ch>='0') x=(x*10-48+ch),ch=getchar();
if(fu)x=-x;
}
inline int read() {
int x=0;
bool fu=0;
char ch=0;
while(ch>'9'||ch<'0') {
ch=getchar();
if(ch=='-')fu=1;
}
while(ch<='9'&&ch>='0') x=(x*10-48+ch),ch=getchar();
return fu?-x:x;
}
template<class T,class... Args>
inline void read(T& t,Args&... args) {
read(t);
read(args...);
}
char _n_u_m_[40];
template<class T>
inline void write(T x ) {
if(x==0){
putchar('0');
return;
}
T tmp = x > 0 ? x : -x ;
if( x < 0 ) putchar('-') ;
register int cnt = 0 ;
while( tmp > 0 ) {
_n_u_m_[ cnt ++ ] = tmp % 10 + '0' ;
tmp /= 10 ;
}
while( cnt > 0 ) putchar(_n_u_m_[ -- cnt ]) ;
}
template<class T>
inline void write(T x ,char ch) {
write(x);
putchar(ch);
}
}
using namespace fastIO;
pii s[400002];
ll n;
int orz;
int a[400002];
char ans[400002];
bool tp[400002];
int main() {
cin>>n;n<<=1;
F(i,1,n)read(a[i]);
F(i,1,n)s[i]=make_pair(a[i],i);
sort(s+1,s+n+1);
F(i,1,n/2)tp[s[i].second]=1;
F(i,1,n){
if(tp[i]==1){
if(orz<=0){
--orz;
ans[i]='(';
}else{
--orz;
ans[i]=')';
}
}else{
if(orz>=0){
++orz;
ans[i]='(';
}else{
++orz;
ans[i]=')';
}
}
}
F(i,1,n)putchar(ans[i]);
return 0;
}
|
//Geekio_op
#include<bits/stdc++.h>
using namespace std;
int main(){
vector<int>v(3);
for(int i=0;i<3;i++){
cin >> v[i];
}
sort(v.begin(),v.end());
for(int i=0;i<3-1;i++){
if((abs(v[i]-v[i+1]))==(abs(v[i+1]-v[i+2]))){
cout << "Yes";
return 0;
}
}
cout << "No";
} | #include <bits/stdc++.h>
#define rep(i,n) for(int i=0;i<(int)(n);i++)
using namespace std;
typedef long long ll;
int main() {
ll a, b, c, d;
cin >> a >> b >> c >> d;
ll x, y;
if (a >= b) {
x = a;
} else {
x = b;
}
if (c >= d) {
y = d;
} else {
y = c;
}
cout << x - y << endl;
} |
#include <bits/stdc++.h>
using namespace std;
/*^ debug */
template <typename A, typename B> string to_string(pair<A, B> p);
template <typename A, typename B, typename C> string to_string(tuple<A, B, C> p);
template <typename A, typename B, typename C, typename D> string to_string(tuple<A, B, C, D> p);
string to_string(const string& s) { return '"' + s + '"'; }
string to_string(const char* s) { return to_string((string) s); }
string to_string(bool b) { return (b ? "true" : "false"); }
string to_string(vector<bool> v) {
bool first = true;
string res = "{";
for (int i = 0; i < static_cast<int>(v.size()); i++) {
if (!first) { res += ", "; }
first = false;
res += to_string(v[i]);
}
res += "}";
return res;
}
template <size_t N>
string to_string(bitset<N> v) {
string res = "";
for (size_t i = 0; i < N; i++) { res += static_cast<char>('0' + v[i]); }
return res;
}
template <typename A>
string to_string(A v) {
bool first = true;
string res = "{";
for (const auto &x : v) {
if (!first) { res += ", "; }
first = false;
res += to_string(x);
}
res += "}";
return res;
}
template <typename A, typename B>
string to_string(pair<A, B> p) { return "(" + to_string(p.first) + ", " + to_string(p.second) + ")"; }
template <typename A, typename B, typename C>
string to_string(tuple<A, B, C> p) { return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ")"; }
template <typename A, typename B, typename C, typename D>
string to_string(tuple<A, B, C, D> p) { return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ", " + to_string(get<3>(p)) + ")"; }
void debug_out() { cerr << endl; }
template <typename Head, typename... Tail>
void debug_out(Head H, Tail... T) { cerr << " " << to_string(H); debug_out(T...); }
#ifdef LOCAL
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif
/* debug $*/
/*^ generic definitions */
template<typename F>
struct _RecurFun : F {
_RecurFun(F&& f) : F(forward<F>(f)) {}
template<typename... Args>
decltype(auto) operator()(Args&&... args) const { return F::operator()(*this, forward<Args>(args)...); }
};
template<typename F>
decltype(auto) RecurFun(F&& f) { return _RecurFun<F> { forward<F>(f) }; }
template<typename D, typename R>
vector<R> maps(const vector<D> &&d, function<R(D)> f) {
vector<R> r(d.size());
for (int i = 0; i < (int) d.size(); ++i) r[i] = f(d[i]);
return r;
}
/* generic definitions $*/
int main() {
ios::sync_with_stdio(false);
int N; { cin >> N; }
vector<int> C(N); {
for (int i = 0; i < N; ++i) cin >> C[i];
}
vector<vector<int>> G(N); {
for (int i = 0; i + 1 < N; ++i) {
int u, v; { cin >> u >> v; --u, --v; }
G[u].push_back(v);
G[v].push_back(u);
}
}
vector<int> res;
set<int> bag;
function<void(int, int)> dfs = [&](int u, int fa) {
for (int v : G[u]) if (v != fa) {
bool flag = false;
if (!bag.count(C[v])) flag = true, bag.insert(C[v]), res.push_back(v);
dfs(v, u);
if (flag) bag.erase(C[v]);
}
};
res.push_back(0);
bag.insert(C[0]);
dfs(0, -1);
sort(res.begin(), res.end());
for (int u : res) cout << u+1 << "\n";
}
| #include<bits/stdc++.h>
using namespace std;
#pragma GCC optimization("Ofast")
#pragma GCC optimization("unroll-loops")
#pragma GCC target ("avx2,avx,fma")
typedef long long int ll;
//#define int long long int
typedef long double db;
typedef pair <int,int> ii ;
typedef vector < int > vi ;
typedef vector < ii > vii ;
#define rep(i,n) for(int i = 0 ; i < n ; i++)
#define repu(i,a,b) for(int i = a ; i <= b ; i++)
#define repd(i,b,a) for(int i = b ; i >= a ; i--)
#define pb push_back
#define fi first
#define se second
#define all(p) p.begin(),p.end()
#define IOS std::ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
#define Endl endl
inline ll poww(ll a,ll b){ll r=1LL;while(b>0){if(b&1)r=r*a;b/=2;a=a*a;}return (int)r;}
template <class T>inline void sary(T st, T nd){while(st<nd)cin>>*st++;/*sf("%d", st++);*/}
int mod=998244353;
inline ll mul(ll a, ll b){return ((a%mod)*(b%mod))%mod;}
inline ll add(ll a, ll b){return ((a%mod)+(b%mod))%mod;}
inline ll sub(ll a, ll b){return ((a%mod)-(b%mod)+mod)%mod;}
inline ll divi(ll a, ll b) { return (500000004*(a%mod))%mod; }
const int N= 5002;
int sum(int n) {
int s=0;
while(n) {
s+=n%10; n/=10;
}
return s;
}
void solve() {
int a, b; cin>>a>>b;
cout<<max(sum(a),sum(b));
}
int32_t main() {
IOS
int t=1;
//cin>>t;
#ifndef ONLINE_JUDGE
clock_t clk = clock();
#endif
while(t--) solve();
#ifndef ONLINE_JUDGE
cerr << "\nTime (in ms): " << double(clock() - clk) * 1000.0 / CLOCKS_PER_SEC << '\n';
#endif
} |
///********************** Bismillahir Rahmanir Rahim *****************///
#include<bits/stdc++.h>
using namespace std;
///*********************** Template Start Here ***********************///
///************************ C o n t a i n e r ************************///
typedef long long ll;
typedef unsigned long long ull;
typedef vector<ll> vl;
typedef vector<int> vi;
typedef vector<char> vc;
typedef vector<string> vs;
typedef vector<int>::iterator vit;
typedef set<int> si;
typedef set<string> ss;
typedef set<int>::iterator sit;
typedef map<int, int> mii;
typedef map<string, int> msi;
typedef map<int, string> mis;
typedef map<string, string> mss;
typedef pair<ll, ll> pll;
typedef pair<int,int> pii;
typedef pair<double, double> pdd;
typedef double dl;
///**************************** M a r c o ****************************///
#define f first
#define s second
#define endl '\n'
#define sp <<" "<<
#define pb push_back
#define MP make_pair
#define MOD 1000000007
#define sqr(a) ((a) * (a))
#define sz(x) (int)x.size()
#define mid(l,r) ((l+r)/2)
#define fora(a) for(auto u:a)
#define gcd(a,b) __gcd(a,b)
#define lcm(a,b) (a*(b/gcd(a,b)))
#define all(a) (a).begin(),(a).end()
#define rall(a) (a).rbegin(),(a).rend()
#define mem(a,b) memset(a, b, sizeof(a))
#define test int tc; cin>>tc; while(tc--)
#define forn(i,n) for(auto i=0; i<n; i++)
#define rforn(i,n) for(auto i=n-1; i>=0; i--)
#define printv(a) {for(auto u:a) cout<<u<<" "; cout<<endl;}
#define printm(a) {for(auto u:a) cout<<u.f sp u.s<<endl;}
#define abid() ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define ssd(a,b,c) set_symmetric_difference(all(a), all(b), c.begin());
#define fori(a,b,c) {for(a = c.begin(); a!=b; a++) cout<< *a<< " "; cout<<endl;}
#define fraction(a) cout.unsetf(ios::floatfield); cout.precision(a); cout.setf(ios::fixed,ios::floatfield);
#define file() freopen("input.txt","r",stdin);freopen("output.txt","w",stdout);
///**************************** C o n s t ****************************///
const double PI = acos(-1);
const double eps = 1e-9;
const int inf = 2000000000;
const ll infLL = 9000000000000000000;
///************************ Template End Here ************************///
int main()
{
abid();
int x,y,z;
cin>>x>>y>>z;
cout<<(y*z-1)/x<<endl;
return 0;
}
| #include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define countof(array) (sizeof(array) / sizeof(array[0]))
#define rep(i,n) for(int i = 0; i < (n); ++i)
#define rrep(i,n) for(int i = (n)-1; i >= 0; --i)
#define rep2(i,n) for(int i = 1; i <= (n); ++i)
#define rrep2(i,n) for(int i = (n); i > 0; --i)
#define srep(i,s,n) for(int i = s; i < (n); ++i)
#define rsrep(i,s,n) for(int i = (n)-1; i >= s; --i)
#define all(a) (a).begin(),(a).end()
#define rall(a) (a).rbegin(),(a).rend()
#define aall(a) (a), (a)+countof(a)//for array sorting
#define raall(a) (a), (a)+countof(a), greater<>()
#define show(x) cout<<#x<<" = "<<(x)<<endl;
#define vfind(v, a) find(all(v), a) != v.end()
#define yn(f) { if (f) puts("YES"); else puts("NO"); }
#define yns(f) { if (f) puts("Yes"); else puts("No"); }
#define show_ary(...) { cout<<#__VA_ARGS__<<" = "; for (const auto& x : (__VA_ARGS__)) { cout<<x<<" "; } cout<<endl; }
#define show_pair(...) cout<<#__VA_ARGS__<<" = "<<endl; for (const auto& x : (__VA_ARGS__)) { cout<<" "<<x.fi<<" : "<<x.se<<endl; }
#define out_ary(...) { int n = (__VA_ARGS__).size(); rep(i, n) printf("%d%s", (__VA_ARGS__)[i], i != n-1 ? " " : "\n"); }
#define argmax(v) distance((v).begin(), max_element(all(v)))
#define argmin(v) distance((v).begin(), min_element(all(v)))
#define vmax(v) *max_element(all(v))
#define vmin(v) *min_element(all(v))
typedef long long int ll;
typedef pair<int, int> P;
typedef vector<P> vpair;
typedef vector<int> vint;
typedef vector<ll> vll;
typedef vector<double> vdouble;
typedef vector<string> vstr;
typedef vector<bool> vbool;
typedef vector<vint> vvint;
typedef vector<vll> vvll;
typedef vector<vstr> vvstr;
typedef vector<vbool> vvbool;
const ll LINF = 2000000000000000000ll;
const int INF = 1000000100;
const ll MOD = 1e9+7;
int main() {
int n, m;
cin >> n >> m;
vint a(m), b(m);
rep(i, m) cin >> a[i] >> b[i];
int k;
cin >> k;
vint c(k), d(k);
rep(i, k) cin >> c[i] >> d[i];
rep(i, m) {
--a[i];
--b[i];
}
rep(i, k) {
--c[i];
--d[i];
}
int ans = 0;
rep(i, 1<<k) {
vbool sara(m, false);
rep(j, k) {
if ((i>>j)&1) sara[d[j]] = true;
else sara[c[j]] = true;
}
int t = 0;
rep(j, m) if (sara[a[j]] && sara[b[j]]) t++;
ans = max(ans, t);
}
cout << ans << endl;
return 0;
} |
//================code===================//
//#define TLE
#ifdef TLE
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#endif
#include <bits/stdc++.h>
#include <unordered_map>
#include <unordered_set>
#include <random>
#include <ctime>
#define ci(t) cin>>t
#define co(t) cout<<t
#define LL long long
#define ld double
#define fa(i,a,b) for(LL i=(a);i<(LL)(b);++i)
#define fd(i,a,b) for(LL i=(a);i>(LL)(b);--i)
#define setp tuple<LL,LL,LL>
#define setl pair<LL,LL>
#define micro 0.000001
using namespace std;
LL gcd(LL a, LL b) { return a % b ? gcd(b, a % b) : b; }
#ifdef OHSOLUTION
#define ce(t) cerr<<t
#define AT cerr << "\n=================ANS=================\n"
#define AE cerr << "\n=====================================\n"
#define DB(a) cerr << __LINE__ << ": " << #a << " = " << (a) << endl;
#define __builtin_popcount __popcnt
#define __builtin_popcountll __popcnt64
#else
#define AT
#define AE
#define ce(t)
#endif
pair <int, int> vu[9] = { {0,-1},{1,0},{0,1} ,{-1,0},{0,0},{1,1}, {-1,1} , {1,-1},{-1,-1} }; //RDLU EWSN
template<typename T, typename U> void ckmax(T& a, U b) { a = a < b ? b : a; }
template<typename T, typename U> void ckmin(T& a, U b) { a = a > b ? b : a; }
struct gcmp { bool operator()(LL a, LL b) { return a < b; } bool operator()(setl& a, setl& b) { return a.second < b.second; } };
struct lcmp { bool operator()(LL a, LL b) { return a > b; } bool operator()(setl& a, setl& b) { return a.second > b.second; } };
const int max_v = 1e5+ 7;
const int max_k = 1e1 + 7;
const int INF = 1e9 + 7;
const LL LNF = (LL)5e18 + 7ll;
LL mod = 998244353;
template<typename T, typename U> void MOD(T& a, U b) { a += b; if (a >= mod) a -= mod; }
int main()
{
#ifdef OHSOLUTION
freopen("input.txt", "r", stdin);
#endif
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
int n; ci(n);
vector<int> vi(n);
fa(i, 0, n) ci(vi[i]);
vector<int> prime;
vector<int> sp(57);
fa(i, 2, 57)
{
if (!sp[i]) prime.push_back(i);
for (auto& x : prime)
{
if (i * x >= 57) break;
sp[i * x] = x;
if (i % x == 0) break;
}
}
vector<int> tar;
LL ans = LNF;
auto check = [&](LL x)
{
fa(i, 0, n)
{
if (gcd(x, vi[i]) == 1) return false;
}
return true;
};
fa(i, 0, 1 << 15)
{
tar.clear();
LL tmp = 1;
fa(j, 0, 15) if (i & (1 << j)) tar.push_back(prime[j]),tmp*=prime[j];
if(check(tmp)) ckmin(ans,tmp);
}
co(ans);
return 0;
}
| #include<bits/stdc++.h>
using ll = int_fast64_t;
using P = std::pair<ll,ll>;
using PP = std::pair<ll,P>;
#define REP(i,b,e) for(int i=b; i<e; i++)
#define PRINT(vec) {printf("[ ");for(auto &i:vec)printf("%ld ",i);puts("]");}
#define fi first
#define se second
const int MOD = 1e9+7;
int dx[] = {0, 1, 0, -1, 1, 1, -1, -1}, dy[] = {1, 0, -1, 0, 1, -1, -1, 1};
int main(){
ll n;
scanf("%ld", &n);
std::set<ll> st;
REP(i, 2, 100000){
ll x = i;
REP(j, 2, 40){
x *= i;
if(x>n) break;
st.insert(x);
}
}
printf("%ld\n", n - st.size());
return 0;
}
|
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> p_ll;
template<class T>
void debug(T itr1, T itr2) { auto now = itr1; while(now<itr2) { cout << *now << " "; now++; } cout << endl; }
#define repr(i,from,to) for (ll i=(ll)from; i<(ll)to; i++)
#define all(vec) vec.begin(), vec.end()
#define rep(i,N) repr(i,0,N)
#define per(i,N) for (ll i=(ll)N-1; i>=0; i--)
#define popcount __builtin_popcount
const ll LLINF = pow(2,61)-1;
const ll INF = pow(2,30)-1;
ll gcd(ll a, ll b) { if (a<b) swap(a,b); return b==0 ? a : gcd(b, a%b); }
ll lcm(ll a, ll b) { return a/gcd(a,b)*b; }
int main() {
ll N; cin >> N;
ll a[N]; rep(i,N) cin >> a[i];
ll b[N]; rep(i,N) cin >> b[i];
ll result[N] = {}, ma = 0;
rep(i,N) {
ma = max(ma, a[i]);
if (i==0) result[i] = ma*b[i];
else result[i] = max(result[i-1], ma*b[i]);
}
debug(result,result+N);
return 0;
} | #include <vector>
#include <list>
#include <map>
#include <set>
#include <queue>
#include <deque>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <ctime>
#include <unordered_map>
using namespace std;
#define x first
#define y second
#define all(v) v.begin(), v.end()
#define compress(v) (sort(all(v)), v.erase(unique(all(v)), v.end()))
typedef long long ll;
typedef pair<int, int> p;
int main() {
ios_base::sync_with_stdio(0); cin.tie(0);
int n; cin >> n;
vector<ll> x(n), y(n);
for (auto &a : x) cin >> a;
for (auto &a : y) cin >> a;
ll mx = -1, value = -1;
for (int i = 0; i < n; i++) {
mx = max(mx, x[i]);
value = max(value, mx*y[i]);
cout << value << '\n';
}
} |
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int maxn=1e5+10;
const int maxm=3e5+10;
int head[maxn],w[maxm],dis[20][maxn],nt[maxm],to[maxm],tot;
int cnt[maxn],d[maxn],vis[maxn];int n,m,c[maxn];
void add(int x,int y,int z)
{
to[++tot]=y;w[tot]=z;nt[tot]=head[x];head[x]=tot;
}
bool spfa(int p)
{
for(int i=1;i<=n;i++) dis[p][i]=1e9;
memset(vis,0,sizeof vis);
queue<int> q;
while(q.size()) q.pop();
dis[p][c[p]]=0;vis[c[p]]=true;q.push(c[p]);
while(q.size()){
int x=q.front();q.pop();vis[x]=false;
for(int i=head[x];i;i=nt[i]){
int y=to[i],z=w[i];
//cout<<dis[y]<<" "<<dis[x]+z<<endl;
if(dis[p][y]>dis[p][x]+z){
dis[p][y]=dis[p][x]+z;
if(!vis[y]) q.push(y),vis[y]=true;
}
}
}
return true;
}
int dp[1<<18][20];
int main()
{
scanf("%d%d",&n,&m);
for(int i=1;i<=m;i++){
int t1,t2;scanf("%d%d",&t1,&t2);
add(t1,t2,1);add(t2,t1,1);
}
int k;scanf("%d",&k);
for(int i=0;i<k;i++)
scanf("%d",&c[i]),spfa(i);
int ans=1e9;memset(dp,0x3f,sizeof dp);
for(int i=0;i<k;i++)
dp[1<<i][i]=1;
for(int s=1;s<(1<<k);s++){
for(int i=0;i<k;i++){
if(s&(1<<i)){
;
}else continue;
for(int j=0;j<k;j++){
if(i==j) continue;
if(s&(1<<j));else continue;
dp[s][j]=min(dp[s][j],dp[s^(1<<j)][i]+dis[i][c[j]]);
}
}
}
for(int i=0;i<k;i++)
ans=min(ans,dp[(1<<k)-1][i]);
if(ans==1e9) cout<<"-1"<<endl;
else
cout<<ans<<endl;
} | #include <cstdio>
#include <cstring>
#include <algorithm>
#include <vector>
#include <iostream>
#include <cassert>
#include <cmath>
#include <string>
#include <queue>
#include <set>
#include <map>
#include <cstdlib>
using namespace std;
#define mp make_pair
#define pb push_back
#define fi first
#define se second
#define li long long
#define pii pair<int, int>
#define vi vector<int>
#define li long long
#define forn(i, n) for (int i = 0; i < (int)n; i++)
#define fore(i, b, e) for (int i = (int)b; i <= (int)e; i++)
const int MAXK = 17;
const int MAXN = 1e5+5;
const int INF = 1e9;
vi edges[MAXN];
int dp[(1 << MAXK)][MAXK];
int d[MAXK][MAXN];
void upd(int& x, int y) {
x = min(x, y);
}
int main() {
int n, m;
scanf("%d%d", &n, &m);
forn(i, m) {
int x, y;
scanf("%d%d", &x, &y);
edges[x].pb(y);
edges[y].pb(x);
}
int k;
scanf("%d", &k);
vi chosen(k);
forn(i, k) {
scanf("%d", &chosen[i]);
}
forn(i, k) {
queue<int> q;
q.push(chosen[i]);
fore(v, 1, n) {
d[i][v] = INF;
}
d[i][chosen[i]] = 0;
while(!q.empty()) {
int v = q.front();
q.pop();
for (int u : edges[v]) {
if (d[i][u] == INF) {
d[i][u] = d[i][v] + 1;
q.push(u);
}
}
}
}
/*forn(i, k) {
fore(j, 1, n) {
printf("d[%d][%d] = %d\n", i, j, d[i][j]);
}
}*/
forn(mask, (1 << k))
forn(last, k)
dp[mask][last] = INF;
forn(j, k) {
dp[(1 << j)][j] = 1;
}
forn(mask, (1 << k)) {
forn(last, k) {
if (dp[mask][last] == INF) {
continue;
}
forn(next, k) {
if (!(mask & (1 << next)) && d[last][chosen[next]] != INF) {
upd(dp[mask | (1 << next)][next], dp[mask][last] + d[last][chosen[next]]);
}
}
}
}
int ans = INF;
forn(last, k) {
ans = min(ans, dp[(1 << k) - 1][last]);
}
if (ans == INF) {
ans = -1;
}
printf("%d", ans);
} |
#include<bits/stdc++.h>
using namespace std;
int main()
{
int N;
string S;
cin >> N >> S;
vector<vector<int>> a(N+1,vector<int>(N+1,0));
vector<vector<int>> t(N+1,vector<int>(N+1,0));
vector<vector<int>> c(N+1,vector<int>(N+1,0));
vector<vector<int>> g(N+1,vector<int>(N+1,0));
for (int i=0;i<N;i++)
{
if (S[i]=='A'){
a[0][i+1]=a[0][i]+1;
t[0][i+1]=t[0][i];
g[0][i+1]=g[0][i];
c[0][i+1]=c[0][i];
}
if (S[i]=='T'){
a[0][i+1]=a[0][i];
t[0][i+1]=t[0][i]+1;
g[0][i+1]=g[0][i];
c[0][i+1]=c[0][i];
}
if (S[i]=='C'){
a[0][i+1]=a[0][i];
t[0][i+1]=t[0][i];
g[0][i+1]=g[0][i];
c[0][i+1]=c[0][i]+1;
}
if (S[i]=='G'){
a[0][i+1]=a[0][i];
t[0][i+1]=t[0][i];
g[0][i+1]=g[0][i]+1;
c[0][i+1]=c[0][i];
}
}
for (int i=1;i<N+1;i++)
{
for (int j=0;j<=i;j++)
{
a[j][i]=a[0][i]-a[0][j];
t[j][i]=t[0][i]-t[0][j];
c[j][i]=c[0][i]-c[0][j];
g[j][i]=g[0][i]-g[0][j];
}
}
int ans=0;
for (int i=1;i<N+1;i++)
{
for (int j=0;j<i;j++)
{
if (a[j][i]==t[j][i] && c[j][i]==g[j][i]){
ans++;
}
}
}
cout << ans << endl;
} | #include <bits/stdc++.h>
#define rep(i,n) for (int i=0;i<(n);i++)
#define rep1(i,n) for (int i=1;i<(n);i++)
using namespace std;
using ll = long long;
using P = pair<int, ll>;
int main() {
int n;
cin >> n;
// vector<int> a(n);
map<int,int> m;
rep(i,n){
int a;
cin >> a;
m[a]++;
}
// sort(m.begin(), m.end());
ll sum = 0;
for(auto x : m){
n -= x.second;
sum += (ll)n * x.second;
}
cout << sum << endl;
return 0;
} |
#include<bits/stdc++.h>
typedef long long int ll;
using namespace std;
#define sz 1600008
#define mod 998244353
#define f first
#define s second
ll arr[sz+10],brr[sz+10];
ll num=1;
long long binpow(long long a, long long b) {
a %= mod;
long long res = 1;
while (b > 0) {
if (b & 1)
res = res * a % mod;
a = a * a % mod;
b >>= 1;
}
return res;
}
int main()
{
int t=1;
//scanf("%d",&t);
for(int cs=1;cs<=t;cs++)
{
ll n,m,k;
scanf("%lld %lld %lld",&n,&m,&k);
for(ll i=1;i<=k;i++)
{
arr[i]=binpow(i,n);
brr[i]=binpow(i,m);
}
ll ans=0;
ll last,fast;
if(n==1 || m==1)
{
for(ll i=1;i<=k;i++)
{
last=(arr[i]-arr[i-1]+mod)%mod;
ll a=k-i+1;
fast=(brr[a]-brr[a-1]+mod)%mod;
last=(last*fast)%mod;
ans=(ans+last)%mod;
}
printf("%lld\n",ans);
return 0;
}
for(ll i=1;i<=k;i++)
{
last=(arr[i]-arr[i-1]+mod)%mod;
ll a=k-i+1;
fast=(brr[a]+mod)%mod;
last=(last*fast)%mod;
ans=(ans+last)%mod;
}
printf("%lld\n",ans);
}
return 0;
} | #include <bits/stdc++.h>
using namespace std;
#pragma optimize("-O3")
#define int long long int
#define f first
#define s second
#define pb push_back
#define endl '\n'
const int MOD=998244353;
const int N=2e5+5;
int num[N];
int num2[N];
int ex[N];
int ex2[N];
int add(int x, int y)
{
return (x + y) % MOD;
}
int sub(int x, int y){
return add(x, MOD - y);
}
int mul(int x, int y)
{
return (x * 1ll * y) % MOD;
}
int binpow(int x, int y)
{
int z = 1;
while(y > 0)
{
if(y % 2 == 1)
z = mul(z, x);
x = mul(x, x);
y /= 2;
}
return z;
}
int inv(int x)
{
return binpow(x, MOD - 2);
}
main() {
ios::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
int n, m, k;
cin>>n>>m>>k;
num[1]=1;
ex[1]=1;
for(int i=2; i<=k; i++){
num[i]=sub(binpow(i, n), ex[i-1]);
ex[i]=add(ex[i-1], num[i]);
}
num2[k]=1;
ex2[k]=1;
for(int i=k-1; i>=1; i--){
num2[i]=sub(binpow(k-i+1, m), ex2[i+1]);
ex2[i]=add(ex2[i+1], num2[i]);
}
if(n==1 && m==1){
cout<<k;
return 0;
}
if(n==1){
int ans=0;
for(int i=1; i<=k; i++){
ans=add(ans, num2[i]);
}
cout<<ans;
return 0;
}
if(m==1){
int ans=0;
for(int i=1; i<=k; i++){
ans=add(ans, num[i]);
}
cout<<ans;
return 0;
}
int ans=0;
for(int i=1; i<=k; i++){
ans=add(ans, mul(num[i], binpow(k-i+1, m)));
}
cout<<ans;
return 0;
}
|
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