Submission #1251275

#	Time	Username	Problem	Language	Result	Execution time	Memory
1251275		mohamedboukerche55	Arranging Shoes (IOI19_shoes)	C++20	45 / 100	14 ms	1952 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;
	long long l = 0;
	long long r = 0;
	for(int i = 0 ; i < n * (1 << 1) ; i++)
	{
		if(s[i] < 0)
		{
			l += abs(i - r);
			r += 2;
		}   
	}
	swaps = l;
	return swaps;
}

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