Submission #113520

#	Time	Username	Problem	Language	Result	Execution time	Memory
113520		E869120	커다란 상품 (IOI17_prize)	C++14	20 / 100	3 ms	432 KiB

prize

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

int find_best(int n) {
	int cl = 0, cr = n, cm;
	for (int i = 0; i < 22; i++) {
		cm = (cl + cr) / 2;
		vector<int> B = ask(cm);
		if (B[0] == 1) cr = cm;
		else cl = cm;
		if (B[0] + B[1] == 0) return cm;
	}
	return 0;
}

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