Submission #531229

#	Time	Username	Problem	Language	Result	Execution time	Memory
531229		MedalistSlayer	Arranging Shoes (IOI19_shoes)	C++14	25 / 100	29 ms	3100 KiB

shoes

#include <bits/stdc++.h>
using namespace std;
int64_t count_swaps(vector<int> s)
{
	if(s.size()==2)
	{
		if(s[1]<0)
		{
			return 1;
		}
		else
		{
			return 0;
		}
	}
	else
	{
		int64_t x=(int64_t)s.size()/2;
		return (x)*(x-1)/2;
	}
}

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