Submission #1242649

#	Time	Username	Problem	Language	Result	Execution time	Memory
1242649		mohamedboukerche55	Arranging Shoes (IOI19_shoes)	C++20	50 / 100	1097 ms	1864 KiB

shoes

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

long long count_swaps(vector<int> s) 
{
	int n = s.size();

	long long ans = 0;

	for (int i = 0; i < n; i += 2) 
    {
		for (int j = i+1; j < n; j++) 
        {
			if (s[j] == -s[i]) 
            {
				for (int k = j-1; k > i; k--) 
        {
					swap(s[k], s[k+1]);
					
					ans++;
				}
				if (s[i] > s[i+1]) 
        {
					swap(s[i], s[i+1]);
					ans++;
				}
				break;
			}
		}
	}
	return ans;
}

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