Submission #1127414

#	Time	Username	Problem	Language	Result	Execution time	Memory
1127414		khanhphucscratch	Fountain (eJOI20_fountain)	C++20	30 / 100	1595 ms	1296 KiB

fountain

//Subtask 1
#include<bits/stdc++.h>
using namespace std;
int capacity[100005], diameter[100005];
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int n, q;
    cin>>n>>q;
    for(int i = 1; i <= n; i++) cin>>diameter[i]>>capacity[i];
    for(int test = 0; test < q; test++){
        int v, r;
        cin>>r>>v;
        int last = -1;
        while(v > 0){
            while(r <= n && diameter[r] <= last) r++;
            if(r > n) break;
            v -= capacity[r]; last = diameter[r];
            //cout<<"A"<<r<<" "<<v<<endl;
        }
        if(v > 0) cout<<0<<'\n';
        else cout<<r<<'\n';
    }
}

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