oj.uz

Submission #473273

# Submission time Handle Problem Language Result Execution time Memory
473273 2021-09-15T11:13:23 Z BidoTeima Usmjeri (COCI17_usmjeri) C++17
0 / 140
 116 ms 372 KB 
/// isA AC
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
void ACPLS(){
#ifndef ONLINE_JUDGE
    freopen("output.txt","w",stdout);
    freopen("input.txt","r",stdin);
#endif
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
}
#define tc int tttttt;cin>>tttttt;while(tttttt--)
#define sumrange(l,r,arr) (l==0?arr[r]:arr[r]-arr[l-1])
#define all(v) v.begin(),v.end()
int main(){
    ACPLS(); 
    int n,m;
    cin>>n>>m;
    for(int i = 0; i < n-1; i++){
        int a,b;
        cin>>a>>b;
    }
    for(int i = 0; i < m; i++){
        int a,b;
        cin>>a>>b;
    }
    ll ans=1;
    for(int i = 0; i < n-1; i++){
        ans=(ans*2)%int(1e9+7);
    }
    cout<<ans;
}

Compilation message

usmjeri.cpp: In function 'void ACPLS()':
usmjeri.cpp:7:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |     freopen("output.txt","w",stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
usmjeri.cpp:8:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |     freopen("input.txt","r",stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 105 ms 332 KB Output isn't correct

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 103 ms 332 KB Output isn't correct

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 108 ms 332 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 113 ms 332 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 116 ms 372 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 107 ms 352 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 109 ms 332 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 105 ms 332 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 111 ms 332 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 105 ms 356 KB Output isn't correct
2 Halted 0 ms 0 KB -