Submission #71804

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
71804	2018-08-25T16:14:20 Z	nirshalmon	Ancient Books (IOI17_books)	C++14	50 / 100	237 ms	12876 KB

books

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

using namespace std;

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

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:10:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (; f < p.size(); ++f) {
         ~~^~~~~~~~~~

Subtask #1
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	3 ms	356 KB	Output is correct
3	Correct	3 ms	392 KB	Output is correct
4	Correct	2 ms	468 KB	Output is correct
5	Correct	2 ms	472 KB	Output is correct
6	Correct	2 ms	544 KB	Output is correct
7	Correct	2 ms	544 KB	Output is correct
8	Correct	2 ms	544 KB	Output is correct
9	Correct	2 ms	632 KB	Output is correct
10	Correct	2 ms	632 KB	Output is correct
11	Correct	2 ms	632 KB	Output is correct
12	Correct	2 ms	632 KB	Output is correct
13	Correct	2 ms	632 KB	Output is correct
14	Correct	3 ms	632 KB	Output is correct
15	Correct	2 ms	632 KB	Output is correct
16	Correct	4 ms	632 KB	Output is correct
17	Correct	3 ms	632 KB	Output is correct
18	Correct	2 ms	632 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	3 ms	356 KB	Output is correct
3	Correct	3 ms	392 KB	Output is correct
4	Correct	2 ms	468 KB	Output is correct
5	Correct	2 ms	472 KB	Output is correct
6	Correct	2 ms	544 KB	Output is correct
7	Correct	2 ms	544 KB	Output is correct
8	Correct	2 ms	544 KB	Output is correct
9	Correct	2 ms	632 KB	Output is correct
10	Correct	2 ms	632 KB	Output is correct
11	Correct	2 ms	632 KB	Output is correct
12	Correct	2 ms	632 KB	Output is correct
13	Correct	2 ms	632 KB	Output is correct
14	Correct	3 ms	632 KB	Output is correct
15	Correct	2 ms	632 KB	Output is correct
16	Correct	4 ms	632 KB	Output is correct
17	Correct	3 ms	632 KB	Output is correct
18	Correct	2 ms	632 KB	Output is correct
19	Correct	3 ms	632 KB	Output is correct
20	Correct	2 ms	632 KB	Output is correct
21	Correct	2 ms	632 KB	Output is correct
22	Correct	3 ms	632 KB	Output is correct
23	Correct	2 ms	632 KB	Output is correct
24	Correct	2 ms	632 KB	Output is correct
25	Correct	3 ms	632 KB	Output is correct
26	Correct	2 ms	632 KB	Output is correct
27	Correct	2 ms	632 KB	Output is correct
28	Correct	3 ms	632 KB	Output is correct
29	Correct	2 ms	632 KB	Output is correct

Subtask #3
28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	3 ms	356 KB	Output is correct
3	Correct	3 ms	392 KB	Output is correct
4	Correct	2 ms	468 KB	Output is correct
5	Correct	2 ms	472 KB	Output is correct
6	Correct	2 ms	544 KB	Output is correct
7	Correct	2 ms	544 KB	Output is correct
8	Correct	2 ms	544 KB	Output is correct
9	Correct	2 ms	632 KB	Output is correct
10	Correct	2 ms	632 KB	Output is correct
11	Correct	2 ms	632 KB	Output is correct
12	Correct	2 ms	632 KB	Output is correct
13	Correct	2 ms	632 KB	Output is correct
14	Correct	3 ms	632 KB	Output is correct
15	Correct	2 ms	632 KB	Output is correct
16	Correct	4 ms	632 KB	Output is correct
17	Correct	3 ms	632 KB	Output is correct
18	Correct	2 ms	632 KB	Output is correct
19	Correct	3 ms	632 KB	Output is correct
20	Correct	2 ms	632 KB	Output is correct
21	Correct	2 ms	632 KB	Output is correct
22	Correct	3 ms	632 KB	Output is correct
23	Correct	2 ms	632 KB	Output is correct
24	Correct	2 ms	632 KB	Output is correct
25	Correct	3 ms	632 KB	Output is correct
26	Correct	2 ms	632 KB	Output is correct
27	Correct	2 ms	632 KB	Output is correct
28	Correct	3 ms	632 KB	Output is correct
29	Correct	2 ms	632 KB	Output is correct
30	Correct	237 ms	10660 KB	Output is correct
31	Correct	212 ms	10680 KB	Output is correct
32	Correct	180 ms	10680 KB	Output is correct
33	Correct	165 ms	10680 KB	Output is correct
34	Correct	149 ms	10680 KB	Output is correct
35	Correct	152 ms	10680 KB	Output is correct
36	Correct	182 ms	10680 KB	Output is correct
37	Correct	178 ms	11268 KB	Output is correct
38	Correct	181 ms	12876 KB	Output is correct
39	Correct	214 ms	12876 KB	Output is correct
40	Correct	167 ms	12876 KB	Output is correct
41	Correct	190 ms	12876 KB	Output is correct
42	Correct	168 ms	12876 KB	Output is correct
43	Correct	181 ms	12876 KB	Output is correct

Subtask #4
0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	3 ms	12876 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	2 ms	248 KB	Output is correct
2	Correct	3 ms	356 KB	Output is correct
3	Correct	3 ms	392 KB	Output is correct
4	Correct	2 ms	468 KB	Output is correct
5	Correct	2 ms	472 KB	Output is correct
6	Correct	2 ms	544 KB	Output is correct
7	Correct	2 ms	544 KB	Output is correct
8	Correct	2 ms	544 KB	Output is correct
9	Correct	2 ms	632 KB	Output is correct
10	Correct	2 ms	632 KB	Output is correct
11	Correct	2 ms	632 KB	Output is correct
12	Correct	2 ms	632 KB	Output is correct
13	Correct	2 ms	632 KB	Output is correct
14	Correct	3 ms	632 KB	Output is correct
15	Correct	2 ms	632 KB	Output is correct
16	Correct	4 ms	632 KB	Output is correct
17	Correct	3 ms	632 KB	Output is correct
18	Correct	2 ms	632 KB	Output is correct
19	Correct	3 ms	632 KB	Output is correct
20	Correct	2 ms	632 KB	Output is correct
21	Correct	2 ms	632 KB	Output is correct
22	Correct	3 ms	632 KB	Output is correct
23	Correct	2 ms	632 KB	Output is correct
24	Correct	2 ms	632 KB	Output is correct
25	Correct	3 ms	632 KB	Output is correct
26	Correct	2 ms	632 KB	Output is correct
27	Correct	2 ms	632 KB	Output is correct
28	Correct	3 ms	632 KB	Output is correct
29	Correct	2 ms	632 KB	Output is correct
30	Correct	237 ms	10660 KB	Output is correct
31	Correct	212 ms	10680 KB	Output is correct
32	Correct	180 ms	10680 KB	Output is correct
33	Correct	165 ms	10680 KB	Output is correct
34	Correct	149 ms	10680 KB	Output is correct
35	Correct	152 ms	10680 KB	Output is correct
36	Correct	182 ms	10680 KB	Output is correct
37	Correct	178 ms	11268 KB	Output is correct
38	Correct	181 ms	12876 KB	Output is correct
39	Correct	214 ms	12876 KB	Output is correct
40	Correct	167 ms	12876 KB	Output is correct
41	Correct	190 ms	12876 KB	Output is correct
42	Correct	168 ms	12876 KB	Output is correct
43	Correct	181 ms	12876 KB	Output is correct
44	Incorrect	3 ms	12876 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-

Submission #71804

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