Submission #1609284

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
map<long long,long long>m;
int main(void)
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    long long N,K;
    cin>>N>>K;
    long long a,b;
    for(long long i=0;i<N;++i)
    {
        cin>>a>>b;
        m[a]+=b;
    }
    long long sum=0;
    for(auto j:m)
    {
        if(sum+j.second>=K)
        {
            cout <<j.first<<endl;
            return 0;
        }
        else
        {
            sum+=j.second;
        }
    }
    return 0;
}

Submission Info

Judge Result