Submission #289130

#	Time	Username	Problem	Language	Result	Execution time	Memory
289130		JoMee	The Big Prize (IOI17_prize)	C++17	20 / 100	83 ms	384 KiB

prize

#include "prize.h"
#include <bits/stdc++.h>

using namespace std;
int res = -1;

void q(int l,int r){
	if(l>=r)return;
	if(res != -1)return;
	int m = (l+r)/2;
	vector<int> qu = ask(m);
	if(qu[0]+qu[1] == 0){
		res = m;
		return;
	}
	if(qu[0] > 0){
		q(l,m);
	}
	if(qu[1] > 0){
		q(m+1,r);
	}
}
int find_best(int n) {
	q(0,n);
	return res;
}

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