Submission #1138850

#	Time	Username	Problem	Language	Result	Execution time	Memory
1138850		Aliyyiakbar	Arranging Shoes (IOI19_shoes)	C++20	15 / 100	14 ms	1864 KiB

shoes

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

long long count_swaps(vector<int> v)
{
    long long n = v.size();
    n /= 2LL;
    return 1LL * n * (n - 1) / 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