Submission #512562

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
512562	2022-01-16T13:09:17 Z	terrasphere	Arranging Shoes (IOI19_shoes)	C++17	30 / 100	34 ms	3504 KB

shoes

#include "shoes.h"
#include <bits/stdc++.h>

long long count_swaps(std::vector<int> s)
{
    int n=s.size();
    if(n==2)
    {
        if(s[0]>0)
            return 1;
        return 0;
    }
    int p=abs(s[0]);
    int t=1;
    for(int i=1;i<n;i++)
    {
        if(abs(s[i])!=p)
            t=0;
    }
    int arr[101010];
    int idx=0;
    if(t)
    {
        long long answer=0;
        for(int i=0;i<n;i++)
        {
            if(s[i]==p)
            {
                arr[idx]=i;
                idx++;
            }
        }
        for(int i=0;i<idx;i++)
            answer+=abs(arr[i]-2*i-1);
        return answer;
    }
    return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	588 KB	Output is correct
2	Correct	1 ms	588 KB	Output is correct

Subtask #2
0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	588 KB	Output is correct
2	Correct	1 ms	588 KB	Output is correct
3	Incorrect	1 ms	588 KB	Output isn't correct
4	Halted	0 ms	0 KB	-

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	588 KB	Output is correct
2	Correct	1 ms	588 KB	Output is correct
3	Correct	1 ms	676 KB	Output is correct
4	Correct	1 ms	588 KB	Output is correct
5	Correct	1 ms	588 KB	Output is correct
6	Correct	1 ms	676 KB	Output is correct
7	Correct	1 ms	588 KB	Output is correct
8	Correct	1 ms	588 KB	Output is correct
9	Correct	1 ms	588 KB	Output is correct
10	Correct	1 ms	620 KB	Output is correct
11	Correct	1 ms	588 KB	Output is correct
12	Correct	1 ms	588 KB	Output is correct
13	Correct	1 ms	588 KB	Output is correct
14	Correct	1 ms	588 KB	Output is correct
15	Correct	1 ms	588 KB	Output is correct
16	Correct	1 ms	588 KB	Output is correct
17	Correct	1 ms	672 KB	Output is correct
18	Correct	1 ms	684 KB	Output is correct
19	Correct	1 ms	588 KB	Output is correct
20	Correct	3 ms	844 KB	Output is correct
21	Correct	3 ms	844 KB	Output is correct
22	Correct	20 ms	2432 KB	Output is correct
23	Correct	34 ms	2508 KB	Output is correct
24	Correct	22 ms	2632 KB	Output is correct
25	Correct	19 ms	2532 KB	Output is correct
26	Correct	34 ms	3480 KB	Output is correct
27	Correct	22 ms	3224 KB	Output is correct
28	Correct	20 ms	3500 KB	Output is correct
29	Correct	19 ms	3480 KB	Output is correct
30	Correct	20 ms	3488 KB	Output is correct
31	Correct	22 ms	3504 KB	Output is correct
32	Correct	20 ms	3480 KB	Output is correct
33	Correct	27 ms	3268 KB	Output is correct
34	Correct	27 ms	3488 KB	Output is correct
35	Correct	1 ms	588 KB	Output is correct
36	Correct	1 ms	588 KB	Output is correct
37	Correct	22 ms	3484 KB	Output is correct
38	Correct	18 ms	3480 KB	Output is correct
39	Correct	19 ms	3476 KB	Output is correct