oj.uz

Submission #867320

# Submission time Handle Problem Language Result Execution time Memory
867320 2023-10-28T07:50:33 Z Reyam Zapina (COCI20_zapina) C++14
0 / 110
 0 ms 344 KB 
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define ll long long
#define fix fixed<<setprecision(20)
#define endl'\n'
#define c(x) cout<<x<<endl
#define int ll
 //int a[200090],pre[200090],suf[200090];
 int mx[]={0,0,-1,1},my[]={-1,1,0,0};
 int a[600][600];
 bool vis[200][200];
 int n,m;
 bool inside(int i,int j){
 return (i&&i<=n&&j&&j<=m);
    }
    void dfs (int i,int j){
        vis[i][j]=1;
        for(int k=0;k<4;k++){
            int nx=i+mx[k],ny=j+my[k];
            if(inside(nx,ny)&& !vis[nx][ny]&& a[nx][ny]=='*') { vis[nx][ny]=1;
            dfs(nx,ny);}
        }
    }

int32_t main()
{
    ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
 cin>>n;
 int ans=1;
 int x=n;

 for(int i=1;i<n;i++)
 {
     ans+=x;
     x*=x;
     x%=(1000000007);
     ans%=1000000007;
 }
 cout<<ans<<endl;
  }

Compilation message

zapina.cpp:7:9: warning: ISO C++11 requires whitespace after the macro name
    7 | #define endl'\n'
      |         ^~~~

Subtask #1
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 33.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 55.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -