Submission #1274975

#	Time	Username	Problem	Language	Result	Execution time	Memory
1274975		rafsanamin2020	Arranging Shoes (IOI19_shoes)	C++20	10 / 100	13 ms	1960 KiB

shoes

#include <bits/stdc++.h>
#include "shoes.h"

long long count_swaps(std::vector<int> s)
{
	int N = s.size(), p = 0, n = 0;

	for (int i = 0; i < N; i += 2)
	{
		if (s[i] > 0)
		{
			p++;
		}
		else if (s[i + 1] < 0)
		{
			n++;
		}
	}

	return std::max(p, n);
}

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