Submission #1060827

#	Time	Username	Problem	Language	Result	Execution time	Memory
1060827		ArthuroWich	The Big Prize (IOI17_prize)	C++17	20 / 100	1 ms	344 KiB

prize

#include"prize.h"
#include<bits/stdc++.h>
using namespace std;
int find_best(int n) {
	vector<int> res;
	int l = 0, r = n-1;
	while(l < r) {
		int m = (l+r)/2;
		res = ask(m);
		if (res[0] == res[1] && res[0] == 0) {
			return m;
		} else if (res[0] <= res[1]) {
			l = m+1;
		} else if (res[0] > res[1]) {
			r = m-1;
		}
	}
	for (int i = l; i <= min(r, n-1); i++) {
		res = ask(i);
		if (res[0] == res[1] && res[0] == 0) {
			return i;
		}
	}
	return 0;
}

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