제출 #263446

#제출 시각아이디문제언어결과실행 시간메모리
263446jairRSThe Big Prize (IOI17_prize)C++17
20 / 100
1 ms504 KiB
#include "prize.h"
using namespace std;

int find_best(int n)
{
	int lo = 0, hi = n - 1;
	while (true)
	{
		int mid = (hi + lo) / 2;
		vector<int> res = ask(mid);
		if (res[0] == res[1])
		{
			return mid;
		}
		else if (res[0] > res[1])
		{
			hi = mid - 1;
		}
		else
		{
			lo = mid + 1;
		}
	}
}
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