Submission #588320

#	Time	Username	Problem	Language	Result	Execution time	Memory
588320		supercatex	Counting Mushrooms (IOI20_mushrooms)	C++14	Compilation error	0 ms	0 KiB

mushrooms

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

int use_machine(int[]);

int count_mushrooms(int n)
{
    vector<int> a, b;
    a.push_back(0);

    for (int i = 1; i < n; i++) {
        int q[] = {0, i};
        int x = use_machine(q);
        if (x == 0) a.push_back(i);
        else b.push_back(i);
    }
    return a.size();
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccg02mXv.o: in function `count_mushrooms(int)':
mushrooms.cpp:(.text+0xf7): undefined reference to `use_machine(int*)'
collect2: error: ld returned 1 exit status