Submission #165372

#	Time	Username	Problem	Language	Result	Execution time	Memory
165372		johutha	The Big Prize (IOI17_prize)	C++14	20 / 100	9 ms	404 KiB

prize

#include "prize.h"

int find_best(int n)
{
	int l = -1;
	int r = n;

	while (r - l > 1)
	{
		int mid = (r + l) / 2;

		auto a = ask(mid);
		if (a[0] + a[1] == 0) return mid;

		if (a[0] < a[1])
		{
			l = mid;
		}
		else
		{
			r = mid;
		}
	}
	return l;
}

• Subtask 1: 20 / 20
• Subtask 2: 0 / 80