Submission #1291914

#	Time	Username	Problem	Language	Result	Execution time	Memory
1291914		lukaye_19	Arranging Shoes (IOI19_shoes)	C++20	15 / 100	13 ms	1968 KiB

shoes

#include <bits/stdc++.h>
using namespace std;

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

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