Submission #966007

#	Time	Username	Problem	Language	Result	Execution time	Memory
966007		JungPS	Lasers (NOI19_lasers)	C++14	24 / 100	62 ms	6320 KiB

lasers

#include<iostream>
using namespace std;

int main(){
    ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
    int l,r,x,tmp;
    cin >> l >> r;
    int ans=0;
    while(r--){
        cin >> x >> tmp;
        ans=max(max(0,2*tmp-l),ans);
    }
    cout << ans;
}

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