Submission #1045852

#	Time	Username	Problem	Language	Result	Execution time	Memory
1045852		Sputnik123	Arranging Shoes (IOI19_shoes)	C++17	Compilation error	0 ms	0 KiB

shoes

#include <bits/stdc++.h>
#include "shoes.h"
#define ll long long
using namespace std;
long long count_swaps(vector<ll> s) {
    ll n = s.size();
    return n * (n - 1) / 2;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccLbfloE.o: in function `main':
grader.cpp:(.text.startup+0x2a8): undefined reference to `count_swaps(std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status