Submission #1028671

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1028671	2024-07-20T06:53:58 Z	parsadox2	Ancient Books (IOI17_books)	C++17	50 / 100	87 ms	15956 KB

books

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

using namespace std;

const int N = 1e6 + 10;

int a[N] , n;
bool marked[N];

long long minimum_walk(vector<int> p, int s) {
	n = p.size();
	long long ans = 0;
	int cnt = (p[0] == 0 ? 0 : 1);
	marked[p[0]] = true;
	for(int i = 1 ; i < n ; i++)
	{
		ans += max(2 * cnt , 2);
		if(p[i] > i)
		{
			cnt++;
			marked[p[i]] = true;
		}
		if(marked[i])
			cnt--;
	}
	for(int i = n - 1 ; i > s ; i--)
	{
		if(p[i] != i)
			break;
		ans -= 2;
	}
	for(int i = 0 ; i < s ; i++)
	{
		if(p[i] != i)
			break;
		ans -= 2;
	}
	return ans;
}

Subtask #1

12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct

Subtask #2

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	344 KB	Output is correct
27	Correct	0 ms	344 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct

Subtask #3

28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	344 KB	Output is correct
27	Correct	0 ms	344 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	69 ms	15956 KB	Output is correct
31	Correct	87 ms	15848 KB	Output is correct
32	Correct	65 ms	14928 KB	Output is correct
33	Correct	70 ms	15848 KB	Output is correct
34	Correct	67 ms	15952 KB	Output is correct
35	Correct	68 ms	15848 KB	Output is correct
36	Correct	68 ms	15956 KB	Output is correct
37	Correct	74 ms	15844 KB	Output is correct
38	Correct	67 ms	15956 KB	Output is correct
39	Correct	66 ms	15956 KB	Output is correct
40	Correct	67 ms	15956 KB	Output is correct
41	Correct	70 ms	15716 KB	Output is correct
42	Correct	68 ms	15956 KB	Output is correct
43	Correct	70 ms	15848 KB	Output is correct

Subtask #4

0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	0 ms	348 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	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	344 KB	Output is correct
27	Correct	0 ms	344 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	69 ms	15956 KB	Output is correct
31	Correct	87 ms	15848 KB	Output is correct
32	Correct	65 ms	14928 KB	Output is correct
33	Correct	70 ms	15848 KB	Output is correct
34	Correct	67 ms	15952 KB	Output is correct
35	Correct	68 ms	15848 KB	Output is correct
36	Correct	68 ms	15956 KB	Output is correct
37	Correct	74 ms	15844 KB	Output is correct
38	Correct	67 ms	15956 KB	Output is correct
39	Correct	66 ms	15956 KB	Output is correct
40	Correct	67 ms	15956 KB	Output is correct
41	Correct	70 ms	15716 KB	Output is correct
42	Correct	68 ms	15956 KB	Output is correct
43	Correct	70 ms	15848 KB	Output is correct
44	Incorrect	0 ms	348 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-