Submission #429480

#	Time	Username	Problem	Language	Result	Execution time	Memory
429480		kwongweng	The Big Prize (IOI17_prize)	C++17	20 / 100	2 ms	320 KiB

prize

#include "prize.h"
#include <bits/stdc++.h>
using namespace std;

int find_best(int n) {
	int l = 0; int r = n-1;
	while (r >= l){
		int mid = (l+r)/2;
		vector<int> res = ask(mid);
		if (res[0] + res[1] == 0) return mid;
		if (res[0] > 0) r = mid-1;
		if (res[1] > 0) l = mid+1;
	}
	return 0;
}

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