Submission #1303784

#	Time	Username	Problem	Language	Result	Execution time	Memory
1303784		yus1f_m	Arranging Shoes (IOI19_shoes)	C++20	15 / 100	13 ms	1968 KiB

shoes

//#pragma GCC optimize("O3")
#include <bits/stdc++.h>
#include "shoes.h"
using namespace std;
long long count_swaps(vector<int>nums)
{
    long long res=nums.size()/2,ans=res*(res-1)/2;
    return ans;
}

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