Submission #431564

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
431564	2021-06-17T13:04:44 Z	rainboy	Ancient Books (IOI17_books)	C++	50 / 100	181 ms	18772 KB

books

#include "books.h"

using namespace std;

const int N = 1000000;

typedef vector<int> vi;

int dd[N];

long long minimum_walk(vi pp, int s) {
	int n = pp.size(), i;
	long long ans;

	ans = 0;
	for (i = 0; i < n; i++)
		if (i < pp[i])
			ans += pp[i] - i, dd[i]++, dd[pp[i]]--;
		else if (i > pp[i])
			ans += i - pp[i], dd[pp[i]]++, dd[i]--;
	for (i = 1; i < n - 1; i++)
		dd[i] += dd[i - 1];
	i = n - 1;
	while (i >= 0 && pp[i] == i)
		i--;
	for (i--; i >= 0; i--)
		if (dd[i] == 0)
			ans += 2;
	return ans;
}

Subtask #1

12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	296 KB	Output is correct
7	Correct	0 ms	292 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	292 KB	Output is correct

Subtask #2

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	296 KB	Output is correct
7	Correct	0 ms	292 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	292 KB	Output is correct
19	Correct	1 ms	256 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	300 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct

Subtask #3

28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	296 KB	Output is correct
7	Correct	0 ms	292 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	292 KB	Output is correct
19	Correct	1 ms	256 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	300 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	166 ms	18660 KB	Output is correct
31	Correct	172 ms	18772 KB	Output is correct
32	Correct	143 ms	18724 KB	Output is correct
33	Correct	161 ms	18656 KB	Output is correct
34	Correct	144 ms	18660 KB	Output is correct
35	Correct	146 ms	18656 KB	Output is correct
36	Correct	156 ms	18656 KB	Output is correct
37	Correct	177 ms	18660 KB	Output is correct
38	Correct	140 ms	18660 KB	Output is correct
39	Correct	144 ms	18712 KB	Output is correct
40	Correct	181 ms	18660 KB	Output is correct
41	Correct	168 ms	18656 KB	Output is correct
42	Correct	159 ms	18652 KB	Output is correct
43	Correct	168 ms	18660 KB	Output is correct

Subtask #4

0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	1 ms	204 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	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	296 KB	Output is correct
7	Correct	0 ms	292 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	292 KB	Output is correct
19	Correct	1 ms	256 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	300 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	166 ms	18660 KB	Output is correct
31	Correct	172 ms	18772 KB	Output is correct
32	Correct	143 ms	18724 KB	Output is correct
33	Correct	161 ms	18656 KB	Output is correct
34	Correct	144 ms	18660 KB	Output is correct
35	Correct	146 ms	18656 KB	Output is correct
36	Correct	156 ms	18656 KB	Output is correct
37	Correct	177 ms	18660 KB	Output is correct
38	Correct	140 ms	18660 KB	Output is correct
39	Correct	144 ms	18712 KB	Output is correct
40	Correct	181 ms	18660 KB	Output is correct
41	Correct	168 ms	18656 KB	Output is correct
42	Correct	159 ms	18652 KB	Output is correct
43	Correct	168 ms	18660 KB	Output is correct
44	Incorrect	1 ms	204 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-