Submission #1251257

#	Time	Username	Problem	Language	Result	Execution time	Memory
1251257		mohamedboukerche55	Arranging Shoes (IOI19_shoes)	C++20	0 / 100	0 ms	324 KiB

shoes

#include "shoes.h"
using namespace std;
long long count_swaps(std::vector<int> S) 
{
	/*int n = S.size() / 2;
	int swaps = 0;
	for(int i = 0 ; i < n ; i++)
	{
		int t = S[i];

		for(int j = i + 1;i<n ; i++)
		{
			if(j == -(t))
			{
				swap(S[j],S[j-1]);
				swaps++;
			}
		}
	}
	return swaps;*/

	int n = S.size()/2;
	return n * (n+1)/2;

	
}

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