Submission #1303729

#	Time	Username	Problem	Language	Result	Execution time	Memory
1303729		khba	Arranging Shoes (IOI19_shoes)	C++20	Compilation error	0 ms	0 KiB

shoes

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

#define int int64_t

int count_swaps(vector<int> s) {
	int n = s.size() / 2;
	return n * (n - 1) / 2;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccIQxR4j.o: in function `main':
grader.cpp:(.text.startup+0x26b): undefined reference to `count_swaps(std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status