Submission #758397

#	Time	Username	Problem	Language	Result	Execution time	Memory
758397		Trumling	Arranging Shoes (IOI19_shoes)	C++14	45 / 100	28 ms	3124 KiB

shoes

#include "shoes.h"
#include <bits/stdc++.h>
using namespace std; 

typedef long long ll;
#define pb push_back
#define F first
#define S second
#define enter cout<<'\n';
#define INF 99999999999999999
#define MOD 1000000007
#define all(x) x.begin(),x.end()

long long count_swaps(std::vector<int> s) 
{
	ll nn=s.size();

	ll idx=0,ans=0;
	for(int  i=0;i<nn;i++)
	if(s[i]<0)
		{
			ans+=abs(idx-i);
			idx+=2;
		}
	return ans;
}

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