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Submission #743211

# Submission time Handle Problem Language Result Execution time Memory
743211 2023-05-17T08:54:07 Z vjudge1 Lasers (NOI19_lasers) C++17
0 / 100
 1 ms 468 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 N = 1e4+5 ;

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

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

    cin >> l >> r ;

    for(int i=1;i<=r;i++){
        int x , y ; cin >> x >> y ;

        int st = l - y + 1 , ed = y ;

        if(st <= ed){
            qs[st]++ , qs[ed+1]-- ;
        }
    }
    for(int i=1;i<=l;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 Runtime error 1 ms 468 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 468 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 468 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 22.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 468 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 468 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -