Submission #1301771

#	Time	Username	Problem	Language	Result	Execution time	Memory
1301771		yusifm	Arranging Shoes (IOI19_shoes)	C++20	10 / 100	13 ms	1968 KiB

shoes

//#pragma GCC optimize("O3")
#include <bits/stdc++.h>
#include "shoes.h"
using namespace std;
long long count_swaps(vector<int>nums)
{
	long long ans=0;
	for(int i=0;i<nums.size();i++)
	{
		if((i%2==0 && nums[i]>0) || (i%2!=0 && nums[i]<0))
		{
			ans++;
		}
	}
	return ans/2;
}

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