Submission #289305

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
289305	2020-09-02T14:24:07 Z	Touubs	Ancient Books (IOI17_books)	C++17	50 / 100	186 ms	8316 KB

books

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

long long minimum_walk(std::vector<int> p, int s) {
    std::vector<bool> visited(p.size());
    long long res = 0;
    int maxVis = 0;
    for (int i = 0; i < p.size() && p[i] == i && i < s; i++);

    for (int i = 0; i < p.size(); i++) {
	if (maxVis < i) res+=2;
	res += abs(p[i] - i);
	maxVis = std::max(maxVis, p[i]);
    }
    for (int i = p.size() - 1; i > 0 && p[i] == i; i--) res-=2;
    return res;
}

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:8:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |     for (int i = 0; i < p.size() && p[i] == i && i < s; i++);
      |                     ~~^~~~~~~~~~
books.cpp:10:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |     for (int i = 0; i < p.size(); i++) {
      |                     ~~^~~~~~~~~~

Subtask #1
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	0 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	0 ms	256 KB	Output is correct
5	Correct	0 ms	256 KB	Output is correct
6	Correct	0 ms	256 KB	Output is correct
7	Correct	1 ms	256 KB	Output is correct
8	Correct	1 ms	288 KB	Output is correct
9	Correct	0 ms	256 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	0 ms	256 KB	Output is correct
13	Correct	0 ms	256 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	256 KB	Output is correct
16	Correct	0 ms	256 KB	Output is correct
17	Correct	1 ms	256 KB	Output is correct
18	Correct	1 ms	256 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	0 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	0 ms	256 KB	Output is correct
5	Correct	0 ms	256 KB	Output is correct
6	Correct	0 ms	256 KB	Output is correct
7	Correct	1 ms	256 KB	Output is correct
8	Correct	1 ms	288 KB	Output is correct
9	Correct	0 ms	256 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	0 ms	256 KB	Output is correct
13	Correct	0 ms	256 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	256 KB	Output is correct
16	Correct	0 ms	256 KB	Output is correct
17	Correct	1 ms	256 KB	Output is correct
18	Correct	1 ms	256 KB	Output is correct
19	Correct	1 ms	256 KB	Output is correct
20	Correct	3 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	0 ms	256 KB	Output is correct
23	Correct	1 ms	256 KB	Output is correct
24	Correct	1 ms	256 KB	Output is correct
25	Correct	0 ms	256 KB	Output is correct
26	Correct	1 ms	256 KB	Output is correct
27	Correct	1 ms	256 KB	Output is correct
28	Correct	1 ms	256 KB	Output is correct
29	Correct	1 ms	256 KB	Output is correct

Subtask #3
28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	0 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	0 ms	256 KB	Output is correct
5	Correct	0 ms	256 KB	Output is correct
6	Correct	0 ms	256 KB	Output is correct
7	Correct	1 ms	256 KB	Output is correct
8	Correct	1 ms	288 KB	Output is correct
9	Correct	0 ms	256 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	0 ms	256 KB	Output is correct
13	Correct	0 ms	256 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	256 KB	Output is correct
16	Correct	0 ms	256 KB	Output is correct
17	Correct	1 ms	256 KB	Output is correct
18	Correct	1 ms	256 KB	Output is correct
19	Correct	1 ms	256 KB	Output is correct
20	Correct	3 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	0 ms	256 KB	Output is correct
23	Correct	1 ms	256 KB	Output is correct
24	Correct	1 ms	256 KB	Output is correct
25	Correct	0 ms	256 KB	Output is correct
26	Correct	1 ms	256 KB	Output is correct
27	Correct	1 ms	256 KB	Output is correct
28	Correct	1 ms	256 KB	Output is correct
29	Correct	1 ms	256 KB	Output is correct
30	Correct	168 ms	8312 KB	Output is correct
31	Correct	168 ms	8312 KB	Output is correct
32	Correct	149 ms	8312 KB	Output is correct
33	Correct	154 ms	8312 KB	Output is correct
34	Correct	164 ms	8288 KB	Output is correct
35	Correct	186 ms	8312 KB	Output is correct
36	Correct	169 ms	8264 KB	Output is correct
37	Correct	163 ms	8312 KB	Output is correct
38	Correct	157 ms	8312 KB	Output is correct
39	Correct	170 ms	8312 KB	Output is correct
40	Correct	165 ms	8312 KB	Output is correct
41	Correct	167 ms	8312 KB	Output is correct
42	Correct	176 ms	8316 KB	Output is correct
43	Correct	160 ms	8288 KB	Output is correct

Subtask #4
0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	1 ms	384 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	256 KB	Output is correct
2	Correct	0 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	0 ms	256 KB	Output is correct
5	Correct	0 ms	256 KB	Output is correct
6	Correct	0 ms	256 KB	Output is correct
7	Correct	1 ms	256 KB	Output is correct
8	Correct	1 ms	288 KB	Output is correct
9	Correct	0 ms	256 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	0 ms	256 KB	Output is correct
13	Correct	0 ms	256 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	256 KB	Output is correct
16	Correct	0 ms	256 KB	Output is correct
17	Correct	1 ms	256 KB	Output is correct
18	Correct	1 ms	256 KB	Output is correct
19	Correct	1 ms	256 KB	Output is correct
20	Correct	3 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	0 ms	256 KB	Output is correct
23	Correct	1 ms	256 KB	Output is correct
24	Correct	1 ms	256 KB	Output is correct
25	Correct	0 ms	256 KB	Output is correct
26	Correct	1 ms	256 KB	Output is correct
27	Correct	1 ms	256 KB	Output is correct
28	Correct	1 ms	256 KB	Output is correct
29	Correct	1 ms	256 KB	Output is correct
30	Correct	168 ms	8312 KB	Output is correct
31	Correct	168 ms	8312 KB	Output is correct
32	Correct	149 ms	8312 KB	Output is correct
33	Correct	154 ms	8312 KB	Output is correct
34	Correct	164 ms	8288 KB	Output is correct
35	Correct	186 ms	8312 KB	Output is correct
36	Correct	169 ms	8264 KB	Output is correct
37	Correct	163 ms	8312 KB	Output is correct
38	Correct	157 ms	8312 KB	Output is correct
39	Correct	170 ms	8312 KB	Output is correct
40	Correct	165 ms	8312 KB	Output is correct
41	Correct	167 ms	8312 KB	Output is correct
42	Correct	176 ms	8316 KB	Output is correct
43	Correct	160 ms	8288 KB	Output is correct
44	Incorrect	1 ms	384 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-

Submission #289305

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