제출 #283695

#제출 시각아이디문제언어결과실행 시간메모리
283695emanIaicepsa커다란 상품 (IOI17_prize)C++14
20 / 100
1 ms416 KiB
#include "prize.h"
#include<bits/stdc++.h>
using namespace std;

int find_best(int n) {
	int l = 0, r = n-1;
	while(l<=r){
		int m = (l+r)/2;
		vector<int> v = ask(m);
		if(v[0] + v[1] == 0) return m;
		else if(v[0]) r = m - 1;
		else l = m + 1;
	}
	return -1;
}

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