Submission #1078060

#	Time	Username	Problem	Language	Result	Execution time	Memory
1078060		kilikuma	The Big Prize (IOI17_prize)	C++17	20 / 100	1 ms	356 KiB

prize

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

using namespace std;

int find_best(int n) {

	int l = 0, r = n - 1;

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

	vector<int> fin = ask(r);

	if (fin[0] + fin[1] == 0) {
		return r;
	}
	return l;

}

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