Submission #1188980

#	Time	Username	Problem	Language	Result	Execution time	Memory
1188980		Mamikonm1	The Big Prize (IOI17_prize)	C++20	Compilation error	0 ms	0 KiB

prize

#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

int find_best(int n) {
	int l = 1, r = n + 1, md, ans = -1;
	while (l + 1 < r) {
		md = r + l >> 1;
		vector<int>cur = ask(md);
		if (cur[0])
			r = md;
		else if (cur[0])
			l = md;
		else {
			ans = md;
			break;
		}
	}
	return ans;
}

Compilation message (stderr)

prize.cpp: In function 'int find_best(int)':
prize.cpp:13:34: error: 'ask' was not declared in this scope
   13 |                 vector<int>cur = ask(md);
      |                                  ^~~