Submission #738473

#	Time	Username	Problem	Language	Result	Execution time	Memory
738473		Elvin_Fritl	The Big Prize (IOI17_prize)	C++17	Compilation error	0 ms	0 KiB

prize

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

int find_best(int n) {
	int l=0,r=n-1;
	while(l<=r){
        int mid=(l+r)>>1;
        vector<int> a = ask(i);
        if(a[0] == a[1] && a[0] == 0){
            return mid;
        }
        if(a[0]==0){
            l=mid+1;
        }
        else{
            r=mid-1;
        }
	}
	return 0;
}

Compilation message (stderr)

prize.cpp: In function 'int find_best(int)':
prize.cpp:9:29: error: 'i' was not declared in this scope
    9 |         vector<int> a = ask(i);
      |                             ^