Submission #566400

#	Time	Username	Problem	Language	Result	Execution time	Memory
566400		Temmie	The Big Prize (IOI17_prize)	C++17	0 / 100	1 ms	292 KiB

prize

//#include "public_a/cpp/prize.h"
#include "prize.h"

#include <bits/stdc++.h>

int find_best(int n) {
	int ans = 0;
	for (int b = 21; ~b; b--) {
		if (ans | (1 << b) >= n) {
			continue;
		}
		if (!ask(ans | (1 << b))[0]) {
			ans |= 1 << b;
		}
	}
	return ans + 1;
}

Compilation message (stderr)

prize.cpp: In function 'int find_best(int)':
prize.cpp:9:22: warning: suggest parentheses around comparison in operand of '|' [-Wparentheses]
    9 |   if (ans | (1 << b) >= n) {
      |             ~~~~~~~~~^~~~

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