Submission #869257

#	Time	Username	Problem	Language	Result	Execution time	Memory
869257		velislavgarkov	커다란 상품 (IOI17_prize)	C++14	Compilation error	0 ms	0 KiB

prize

#include <iostream>
using namespace std;
int a[2];
int find_next(int l1, int r1) {
    int l, r, mid;
    l=l1; r=r1;
    while (l<r) {
        mid=(l+r)/2;
        a=ask(mid);
        if (a[0]>0) mid=r;
        else l=mid+1;
    }
    a=ask(l-1);
    if (a[0]+a[1]==0) return l-1;
    return find_next(l,r1);
}
int find_best(int n) {
    int ans=find_next(0,n-1);
    return ans;
}

Compilation message (stderr)

prize.cpp: In function 'int find_next(int, int)':
prize.cpp:9:11: error: 'ask' was not declared in this scope
    9 |         a=ask(mid);
      |           ^~~
prize.cpp:13:7: error: 'ask' was not declared in this scope
   13 |     a=ask(l-1);
      |       ^~~