제출 #604205

#제출 시각아이디문제언어결과실행 시간메모리
604205pirhosigThe Big Prize (IOI17_prize)C++17
20 / 100
1 ms336 KiB
#include "prize.h"

int find_best(int n) {
	int low = 0;
	int upp = n - 1;
	while (low < upp) {
		int mid = (low + upp) / 2;
		auto a = ask(mid);
		if (a[0] + a[1] == 0) return mid;
		if (a[0]) upp = mid - 1;
		else low = mid + 1;
	}
	return low;
}
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