Submission #521481

# Submission time Handle Problem Language Result Execution time Memory
521481 2022-02-02T08:48:06 Z Rasoul006 Usmjeri (COCI17_usmjeri) C++17
0 / 140
97 ms 20228 KB
#include <bits/stdc++.h>

#define endl "\n"

typedef long long ll;

using namespace std;

const int N = 1e6+5;
const int mod = 1e9+7;
ll n , m , is[200009] ;
pair < ll , ll > pr[300009] ;
int main()
{
    ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    cin >> n >> m ;
    for(int i = 0 ; i < n- 1 ; i++){
        ll a , b ;
        cin >> a >> b ;
    }
    for(int i =1 ; i <= m ; i++){
        ll a ,b ;
        cin >> pr[i].first >> pr[i].second ;
        is[pr[i].first] = 1 ;
        is[pr[i].second] = -1 ;
    }
    for(int i = 1 ; i < n  ;i++){
        is[i] += is[i-1] ;
    }
    ll ans = 1 ;
    for(int i = 1 ; i < n ; i++){
        if(is[i] == 0){
            ans = ((ans % mod) * (2 % mod)) % mod ;
        }
    }
    cout << ans << endl ;
    return 0;
}

Compilation message

usmjeri.cpp: In function 'int main()':
usmjeri.cpp:22:12: warning: unused variable 'a' [-Wunused-variable]
   22 |         ll a ,b ;
      |            ^
usmjeri.cpp:22:15: warning: unused variable 'b' [-Wunused-variable]
   22 |         ll a ,b ;
      |               ^
# Verdict Execution time Memory Grader output
1 Incorrect 50 ms 7452 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 97 ms 20228 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 336 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 460 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 460 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 48 ms 4516 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 49 ms 4508 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 54 ms 4536 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 44 ms 4508 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -