제출 #576538

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
576538		MuntherCarrot	Fountain (eJOI20_fountain)	C++14	30 / 100	77 ms	2520 KiB

fountain

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define endl "\n"
#define all(x) x.begin(),x.end()
int main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int n,q;
    cin >> n >> q;
    vector<ll> d(n+1,0),c(n+1,0);
    for(int i=1;i<=n;i++) cin >> d[i] >> c[i];
    for(int i=1;i<n+1;i++) c[i]+=c[i-1];
    while(q--){
        int r,v;
        cin >> r >> v;
        v+=c[r-1];
        int ans=lower_bound(c.begin()+1,c.end(),v)-c.begin();
        cout << (ans > n ? 0:ans) << endl;
    }
    return 0;
}

• Subtask 1: 0 / 30
• Subtask 2: 30 / 30
• Subtask 3: 0 / 40