Submission #283271

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
283271	2020-08-25T13:11:06 Z	MKopchev	Ancient Books (IOI17_books)	C++14	50 / 100	191 ms	22780 KB

books

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

const int nmax=1e6+42;

int go_left[nmax],go_right[nmax];

long long minimum_walk(std::vector<int> p, int s)
{
    int n=p.size();

	int maxi=0;

	for(int i=0;i<n;i++)
        if(i!=p[i])
        {
            maxi=max(maxi,i);
            maxi=max(maxi,p[i]);

            if(i<p[i])go_left[i]++,go_left[p[i]]--;
            else go_right[p[i]]++,go_right[i]--;
        }

    for(int i=1;i<n;i++)
    {
        go_left[i]+=go_left[i-1];
        go_right[i]+=go_right[i-1];
    }

    long long outp=0;

    for(int i=0;i<maxi;i++)
    {
        //cout<<i<<" -> "<<go_left[i]<<" "<<go_right[i]<<endl;

        if(go_left[i]==0&&go_right[i]==0)outp+=2;
        else outp+=2*max(go_left[i],go_right[i]);
    }

    return outp;
}

Subtask #1

12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	0 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	1 ms	256 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	0 ms	384 KB	Output is correct
18	Correct	0 ms	384 KB	Output is correct

Subtask #2

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	0 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	1 ms	256 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	0 ms	384 KB	Output is correct
18	Correct	0 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	384 KB	Output is correct

Subtask #3

28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	0 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	1 ms	256 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	0 ms	384 KB	Output is correct
18	Correct	0 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	384 KB	Output is correct
30	Correct	191 ms	22776 KB	Output is correct
31	Correct	189 ms	22648 KB	Output is correct
32	Correct	156 ms	22648 KB	Output is correct
33	Correct	171 ms	22648 KB	Output is correct
34	Correct	172 ms	22648 KB	Output is correct
35	Correct	171 ms	22776 KB	Output is correct
36	Correct	167 ms	22776 KB	Output is correct
37	Correct	170 ms	22780 KB	Output is correct
38	Correct	180 ms	22700 KB	Output is correct
39	Correct	173 ms	22648 KB	Output is correct
40	Correct	178 ms	22776 KB	Output is correct
41	Correct	190 ms	22648 KB	Output is correct
42	Correct	180 ms	22776 KB	Output is correct
43	Correct	168 ms	22776 KB	Output is correct

Subtask #4

0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	1 ms	384 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2	Halted	0 ms	0 KB	-

Subtask #5

0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	0 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	1 ms	256 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	0 ms	384 KB	Output is correct
18	Correct	0 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	384 KB	Output is correct
30	Correct	191 ms	22776 KB	Output is correct
31	Correct	189 ms	22648 KB	Output is correct
32	Correct	156 ms	22648 KB	Output is correct
33	Correct	171 ms	22648 KB	Output is correct
34	Correct	172 ms	22648 KB	Output is correct
35	Correct	171 ms	22776 KB	Output is correct
36	Correct	167 ms	22776 KB	Output is correct
37	Correct	170 ms	22780 KB	Output is correct
38	Correct	180 ms	22700 KB	Output is correct
39	Correct	173 ms	22648 KB	Output is correct
40	Correct	178 ms	22776 KB	Output is correct
41	Correct	190 ms	22648 KB	Output is correct
42	Correct	180 ms	22776 KB	Output is correct
43	Correct	168 ms	22776 KB	Output is correct
44	Incorrect	1 ms	384 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-