Submission #304930

#	Time	Username	Problem	Language	Result	Execution time	Memory
304930		azberjibiou	Arranging Shoes (IOI19_shoes)	C++17	50 / 100	1086 ms	3196 KiB

shoes

#include "shoes.h"
#include <bits/stdc++.h>
#define ll long long
using namespace std;
const int mxN=1010;
bool Chk[2*mxN];
int N;
ll ans;
long long count_swaps(vector<int> s)
{
	N=s.size()/2;
	for(int i=0;i<2*N;i+=2)
    {
        for(int j=i+1;j<2*N;j++)
        {
            if(s[i]!=-s[j]) continue;
            for(int k=j;k>=i+2;k--)
            {
                swap(s[k], s[k-1]);
                ans++;
            }
            if(s[i]>0)  ans++;
            break;
        }
    }
    return ans;
}

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