Submission #1024798

#	Time	Username	Problem	Language	Result	Execution time	Memory
1024798		vjudge1	Fountain (eJOI20_fountain)	C++14	30 / 100	1572 ms	2164 KiB

fountain

#include <bits/stdc++.h>

using namespace std;

int main()
{
    long long n,q;
    cin>>n>>q;
    pair<long long,long long> niza[n];
    for(long long i=0; i<n; i++)cin>>niza[i].first>>niza[i].second;
    for(long long i=0; i<q; i++)
    {
        long long r,v;
        cin>>r>>v;
        r--;
        v-=niza[r].second;
        if(v<=0)
        {
            cout<<r+1<<endl;
            continue;
        }
        long long last=niza[r].first;
        r++;
        while(v>0)
        {
            if(niza[r].first>last)
            {
                v-=niza[r].second;
                last=niza[r].first;
                if(v<=0)break;
            }
            r++;
            if(r==n)break;
        }
        if(r>=n)
        {
            cout<<0<<endl;
        }
        else
        {
            cout<<r+1<<endl;
        }
    }
    return 0;
}

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