Submission #712955

#	Time	Username	Problem	Language	Result	Execution time	Memory
712955		dungnguyenn_05	The Big Prize (IOI17_prize)	C++17	20 / 100	1 ms	336 KiB

prize

#include "prize.h"
using namespace std;
typedef vector<int> vi;

int find_best(int n) {

	int l=0,r=n-1,pos=0;
	while(l<=r)
	{
		int mid=(l+r)>>1;
		vi res=ask(mid);

		if(res[1]==0)
		{
			pos=mid;
			r=mid-1;
		}
		else
			l=mid+1;
	}

	return pos;
}

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