Submission #965354

#	Time	Username	Problem	Language	Result	Execution time	Memory
965354		Syrius	Arranging Shoes (IOI19_shoes)	C++14	Compilation error	0 ms	0 KiB

shoes

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

#define int long long
#define ll long long
#define ff first
#define ss second
#define pint pair < int , int >
#define fast ios_base::sync_with_stdio(NULL); cin.tie(NULL)

const int inf = 1e9 + 9;
const int mxn = 2e5 + 2;
const int mod = 1e9 + 7;

ll count_swaps(vector < int > v) {

	int n = v.size() / 2;
	return (n - 1) * n / 2;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccuFjcXG.o: in function `main':
grader.cpp:(.text.startup+0x29d): undefined reference to `count_swaps(std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status