Submission #1052989

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1052989	2024-08-11T07:24:37 Z	abczz	Ancient Books (IOI17_books)	C++17	50 / 100	58 ms	15188 KB

books

#include "books.h"
#include <iostream>
#define ll long long

using namespace std;

long long minimum_walk(std::vector<int> p, int s) {
	ll n = p.size(), l, r, f = 0, mx = 0;
	for (int i=0; i<n; ++i) {
		f += abs(i-p[i]);
	}
	l = n, r = -1;
	for (int i=0; i<n; ++i) {
		if (p[i] != i) {
			l = i;
			break;
		}
	}
	for (int i=n-1; i>=0; --i) {
		if (p[i] != i) {
			r = i;
			break;
		}
	}
	if (l == n) return 0;
	if (s < l) f += 2*(l-s);
	else if (r < s) f += 2*(s-r);
	for (int i=l; i<=r; ++i) {
		mx = max(mx, (ll)p[i]);
		if (mx == i) f += 2;
	}
	f -= 2;
	return f;
}

Subtask #1

12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 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	432 KB	Output is correct

Subtask #2

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 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	432 KB	Output is correct
19	Correct	1 ms	600 KB	Output is correct
20	Correct	0 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	1 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	432 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	432 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	0 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	432 KB	Output is correct
19	Correct	1 ms	600 KB	Output is correct
20	Correct	0 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	1 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	432 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	432 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	56 ms	14816 KB	Output is correct
31	Correct	57 ms	15188 KB	Output is correct
32	Correct	55 ms	14932 KB	Output is correct
33	Correct	55 ms	14828 KB	Output is correct
34	Correct	57 ms	14828 KB	Output is correct
35	Correct	55 ms	14816 KB	Output is correct
36	Correct	58 ms	14928 KB	Output is correct
37	Correct	55 ms	14964 KB	Output is correct
38	Correct	55 ms	14928 KB	Output is correct
39	Correct	56 ms	14928 KB	Output is correct
40	Correct	56 ms	14828 KB	Output is correct
41	Correct	57 ms	14960 KB	Output is correct
42	Correct	58 ms	14928 KB	Output is correct
43	Correct	55 ms	14932 KB	Output is correct

Subtask #4

0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	1 ms	344 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	0 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	432 KB	Output is correct
19	Correct	1 ms	600 KB	Output is correct
20	Correct	0 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	1 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	432 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	432 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	56 ms	14816 KB	Output is correct
31	Correct	57 ms	15188 KB	Output is correct
32	Correct	55 ms	14932 KB	Output is correct
33	Correct	55 ms	14828 KB	Output is correct
34	Correct	57 ms	14828 KB	Output is correct
35	Correct	55 ms	14816 KB	Output is correct
36	Correct	58 ms	14928 KB	Output is correct
37	Correct	55 ms	14964 KB	Output is correct
38	Correct	55 ms	14928 KB	Output is correct
39	Correct	56 ms	14928 KB	Output is correct
40	Correct	56 ms	14828 KB	Output is correct
41	Correct	57 ms	14960 KB	Output is correct
42	Correct	58 ms	14928 KB	Output is correct
43	Correct	55 ms	14932 KB	Output is correct
44	Incorrect	1 ms	344 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-