Submission #830484

#	Time	Username	Problem	Language	Result	Execution time	Memory
830484		vnm06	Arranging Shoes (IOI19_shoes)	C++14	50 / 100	1081 ms	3132 KiB

shoes

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

int n;

long long count_swaps(std::vector<int> s)
{
    int br=0;
    n=s.size();
    for(int i=0; i<n; i+=2)
    {
        int j=i+1;
        while(j<n)
        {
            if(s[j]==-s[i]) break;
            j++;
        }
        for(;j>=i+2; j--)
        {
            br++;
            swap(s[j], s[j-1]);
        }
        if(s[i]>0) br++;
    }
	return br;
}

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