Submission #1770806

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Source Code Expand

#include <iostream>
#include <algorithm>
using namespace std;

struct serial_num{
	int number;
	long serial;
};

bool compare(serial_num number1, serial_num number2){
	return number1.number < number2.number;
}

int main(){
	int N;
	long K;
	cin >> N >> K;
	serial_num nums[N];
	for(int i = 0; i < N; i++){
		cin >> nums[i].number;
		cin >> nums[i].serial;
	}
	sort(nums, nums + N, &compare);
	long count = 0;
	for(int i = 0; i < N; i++){
		count += nums[i].serial;
		if(count >= K){
			cout << nums[i].number << endl;
			return 0;
		}
	}
}

Submission Info

Judge Result