Submission #799174

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
799174	2023-07-31T10:30:20 Z	LittleCube	Ancient Books (IOI17_books)	C++17	50 / 100	114 ms	26600 KB

books

#include "books.h"
#include <bits/stdc++.h>
#define ll long long
#define pii pair<int, int>
#define pll pair<ll, ll>
#define F first
#define S second
using namespace std;

// PixelCat was here for a night ;)
// and mango is incredibly orz

int dp[1000005], a[1000005], b[1000005], last;

long long minimum_walk(std::vector<int> p, int s)
{
	int n = p.size();
	ll ans = 0;
	for (int i = 0; i < n; i++)
	{
		ans += abs(p[i] - i);
		a[i] = p[i];
		b[p[i]] = i;
	}
	for (int i = 0; i < n; i++)
		a[i] = max({i, a[i], b[i]});
	for (int i = 1; i < n; i++)
		a[i] = max(a[i - 1], a[i]);
	last = n - 1;
	while (p[last] == last)
		last--;
	dp[0] = 0;
	for (int i = 1; i < n; i++)
		dp[i] = 1e9;
	for (int i = 0; i < n; i++)
	{
		dp[i + 1] = min(dp[i + 1], dp[i] + 2);
		dp[a[i]] = min(dp[a[i]], dp[i]);
	}
	return ans + dp[last];
}

Subtask #1
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	304 KB	Output is correct
3	Correct	1 ms	304 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	308 KB	Output is correct
9	Correct	1 ms	304 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	304 KB	Output is correct
3	Correct	1 ms	304 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	308 KB	Output is correct
9	Correct	1 ms	304 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	308 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	0 ms	308 KB	Output is correct
28	Correct	1 ms	308 KB	Output is correct
29	Correct	1 ms	340 KB	Output is correct

Subtask #3
28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	304 KB	Output is correct
3	Correct	1 ms	304 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	308 KB	Output is correct
9	Correct	1 ms	304 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	308 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	0 ms	308 KB	Output is correct
28	Correct	1 ms	308 KB	Output is correct
29	Correct	1 ms	340 KB	Output is correct
30	Correct	99 ms	26476 KB	Output is correct
31	Correct	101 ms	26464 KB	Output is correct
32	Correct	114 ms	26600 KB	Output is correct
33	Correct	99 ms	26468 KB	Output is correct
34	Correct	99 ms	26468 KB	Output is correct
35	Correct	99 ms	26468 KB	Output is correct
36	Correct	99 ms	26460 KB	Output is correct
37	Correct	96 ms	26472 KB	Output is correct
38	Correct	100 ms	26484 KB	Output is correct
39	Correct	97 ms	26572 KB	Output is correct
40	Correct	97 ms	26464 KB	Output is correct
41	Correct	98 ms	26480 KB	Output is correct
42	Correct	113 ms	26472 KB	Output is correct
43	Correct	96 ms	26468 KB	Output is correct

Subtask #4
0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	1 ms	340 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	212 KB	Output is correct
2	Correct	1 ms	304 KB	Output is correct
3	Correct	1 ms	304 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	308 KB	Output is correct
9	Correct	1 ms	304 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	308 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	0 ms	308 KB	Output is correct
28	Correct	1 ms	308 KB	Output is correct
29	Correct	1 ms	340 KB	Output is correct
30	Correct	99 ms	26476 KB	Output is correct
31	Correct	101 ms	26464 KB	Output is correct
32	Correct	114 ms	26600 KB	Output is correct
33	Correct	99 ms	26468 KB	Output is correct
34	Correct	99 ms	26468 KB	Output is correct
35	Correct	99 ms	26468 KB	Output is correct
36	Correct	99 ms	26460 KB	Output is correct
37	Correct	96 ms	26472 KB	Output is correct
38	Correct	100 ms	26484 KB	Output is correct
39	Correct	97 ms	26572 KB	Output is correct
40	Correct	97 ms	26464 KB	Output is correct
41	Correct	98 ms	26480 KB	Output is correct
42	Correct	113 ms	26472 KB	Output is correct
43	Correct	96 ms	26468 KB	Output is correct
44	Incorrect	1 ms	340 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-

Submission #799174

Compilation message

Subtask #1 12.0 / 12.0

Subtask #2 10.0 / 10.0

Subtask #3 28.0 / 28.0

Subtask #4 0 / 20.0

Subtask #5 0 / 30.0

Subtask #1
12.0 / 12.0

Subtask #2
10.0 / 10.0

Subtask #3
28.0 / 28.0

Subtask #4
0 / 20.0

Subtask #5
0 / 30.0