Submission #1251266

#	Time	Username	Problem	Language	Result	Execution time	Memory
1251266		mohamedboukerche55	Arranging Shoes (IOI19_shoes)	C++20	50 / 100	1096 ms	1864 KiB

shoes

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

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

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