Submission #1030694

#	Time	Username	Problem	Language	Result	Execution time	Memory
1030694		fv3	Arranging Shoes (IOI19_shoes)	C++14	15 / 100	17 ms	2004 KiB

shoes

#include "shoes.h"
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
ll count_swaps(vector<int> s) 
{
	const ll N = s.size() / 2;

	return N*(N-1ll)/2ll;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 15 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 15