Submission #879928

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
879928	2023-11-28 10:28:47	grafff	Arranging Shoes (IOI19_shoes)	C++17	Compilation error	0 ms	0 KiB

shoes

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#include <bits/stdc++.h>
#define ll long long
using namespace std;
ll n;
bool gr3(vector <ll> s)
{
    ll k = abs(s[0]);
    for(int i = 2; i < n * 2; i++)
    {
        if(abs(s[i]) != k)
        {
            return false;
        }
    }
    return true;
}
ll f3(vector <ll> s)
{
    ll k = 0;
    for(int i = 0; i < n; i++)
    {
        if(s[i * 2] > 0)
        {
            k++;
        }
    }
 
 
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Compilation message (stderr)

/usr/bin/ld: /tmp/cctd7fa2.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