oj.uz

Submission #743048

# Submission time Handle Problem Language Result Execution time Memory
743048 2023-05-17T07:38:28 Z vjudge1 Lasers (NOI19_lasers) C++17
0 / 100
 14 ms 712 KB 
#include<bits/stdc++.h>

using namespace std;

using ll = long long ;
using pii = pair<ll , ll> ;
using i3 = tuple<ll , ll , ll> ;

const int MOD = 1e9+7 , N = 1e5+5 ;

int n , m , cnt , ans , qs[N] ;

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0);

    cin >> n >> m ;

    for(int i=1;i<=m;i++){
        int x ; cin >> x ;
        for(int j=1;j<=x;j++){
            int width ;
            cin >> width ;

            int now = n - width + 1 ;
            if(now <= width){
                qs[now]++ , qs[width+1]--;
            }
        }
    }
    for(int i=1;i<=1e5;i++){
        qs[i] += qs[i-1] ;

        if(qs[i] > 0) ans++;
    }

    cout << ans ;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Runtime error 1 ms 468 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Runtime error 1 ms 468 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 14 ms 712 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 596 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 14 ms 712 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Runtime error 1 ms 468 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -