Submission #211071

#	Time	Username	Problem	Language	Result	Execution time	Memory
211071		lyh	Arranging Shoes (IOI19_shoes)	C++14	10 / 100	1085 ms	3200 KiB

shoes

#include "shoes.h"
#include<bits/stdc++.h>
using namespace std;
 
long long count_swaps(std::vector<int> S)
{
	long long sum = 0;
	for (int i = 0; i < (int)S.size(); i += 2)
	{
		int k;
		for (k = i; k < (int)S.size(); k++)
		{
			if (S[k] < 0)
				break;
		}
		for (int j = k; j > i; j--)
		{
			swap(S[j], S[j - 1]);
			sum++;
		}
		for (k = i + 1; k < (int)S.size(); k++)
		{
			if (S[k] == -S[i])
			{
				break;
			}
		}
		for (int j = k; j > i + 1; j--)
		{
			swap(S[j], S[j - 1]);
			sum++;
		}
	}
	return sum;
}

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