Submission #1045871

#	Time	Username	Problem	Language	Result	Execution time	Memory
1045871		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) {
    int n = s.size() / 2;
    if(n == 1)
    {
        if(s[0] < 0)    return 0;
        else            return 1;
    }
    ll ans = 0;
    for(ll i = 0; i < n ;i++)
        ans += i;
    return ans;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccMyUwEP.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