Submission #1018763

#	Time	Username	Problem	Language	Result	Execution time	Memory
1018763		vjudge1	The Big Prize (IOI17_prize)	C++17	Compilation error	0 ms	0 KiB

prize

#include<bits/stdc++.h>
using namespace std;
#define lli long long int


int find_best(int n){
    int a[2];
    int x=1,y=n,z;
    while(x!=y){
        z=(x+y)/2;
        a=ask(z);
        if(a[0]){
            y=z-1;
        }
        else if(a[1]){
            x=z+1;
        }
        else{
            return z;
        }
    }
    return x;
}

Compilation message (stderr)

prize.cpp: In function 'int find_best(int)':
prize.cpp:11:11: error: 'ask' was not declared in this scope
   11 |         a=ask(z);
      |           ^~~