Submission #1116954

#	Time	Username	Problem	Language	Result	Execution time	Memory
1116954		Trisanu_Das	Lasers (NOI19_lasers)	C++17	24 / 100	54 ms	6216 KiB

lasers

#include <bits/stdc++.h>
using namespace std;

signed main(){
    cin.tie(0)->sync_with_stdio(0);
    int l, r, ans = 0; cin >> l >> r;
    while(r--){
        int x, n; cin >> x >> n;
        ans = max(ans, max(0, 2 * n - l));
    }
    cout << ans << '\n';
}

• Subtask 1: 10 / 10
• Subtask 2: 14 / 14
• Subtask 3: 0 / 20
• Subtask 4: 0 / 21
• Subtask 5: 0 / 22
• Subtask 6: 0 / 13