제출 #601650

#제출 시각아이디문제언어결과실행 시간메모리
601650ShithilaArranging Shoes (IOI19_shoes)C++14
45 / 100
37 ms3532 KiB
#include "shoes.h"
#include <bits/stdc++.h>
long long count_swaps(std::vector<int> s) {
	long long len=s.size();
	len=len/2;
	int leftpos[len];
	long long pos=0;
	long long ans=0;
	for(int i=0;i<2*len;i++)
	{
		if(s[i]<0)
		{
			leftpos[pos]=i;
			pos++;
		}
	}
	for(int i=0;i<len;i++)
	{
		long long dif=abs(i+i-leftpos[i]);
		ans=ans+dif;
	}
	return ans;
}
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