Submission #105221

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
105221	2019-04-11T03:01:30 Z	bert30702	Ancient Books (IOI17_books)	C++17	50 / 100	219 ms	19004 KB

books

#include <bits/stdc++.h>
#include "books.h"
using namespace std;
const int MX = 1e6 + 100;
int G[MX];
long long minimum_walk(vector<int> p, int s) {
	int n = p.size();
	long long sum = 0;
	for(int i = 0; i < n; i ++) {
		G[p[i]] = max(G[p[i]], i);
		G[i]    = max(G[i], p[i]);
		sum += abs(i - p[i]);
	}
	for(int i = 0; i + 1 < n; i ++) {
		if(p[i] == i and i != s) continue;
		int ptr = i + 1, mx = i;
		while(ptr <= G[i] or (ptr != s and ptr < n and p[ptr] == ptr)) {
			if(ptr <= G[i]) mx = ptr;
			G[i] = max(G[i], G[ptr]);
			ptr ++;
		}
		if(ptr < n) sum += 2 * (ptr - mx);
		i = ptr - 1;
	}
	return sum;
}
//main () {
//	cout << minimum_walk({2, 3, 0, 1}, 0);
//}

Subtask #1

12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	3 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	3 ms	384 KB	Output is correct
7	Correct	2 ms	256 KB	Output is correct
8	Correct	3 ms	384 KB	Output is correct
9	Correct	3 ms	256 KB	Output is correct
10	Correct	3 ms	384 KB	Output is correct
11	Correct	3 ms	304 KB	Output is correct
12	Correct	3 ms	384 KB	Output is correct
13	Correct	2 ms	384 KB	Output is correct
14	Correct	3 ms	384 KB	Output is correct
15	Correct	2 ms	384 KB	Output is correct
16	Correct	2 ms	384 KB	Output is correct
17	Correct	3 ms	384 KB	Output is correct
18	Correct	2 ms	256 KB	Output is correct

Subtask #2

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	3 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	3 ms	384 KB	Output is correct
7	Correct	2 ms	256 KB	Output is correct
8	Correct	3 ms	384 KB	Output is correct
9	Correct	3 ms	256 KB	Output is correct
10	Correct	3 ms	384 KB	Output is correct
11	Correct	3 ms	304 KB	Output is correct
12	Correct	3 ms	384 KB	Output is correct
13	Correct	2 ms	384 KB	Output is correct
14	Correct	3 ms	384 KB	Output is correct
15	Correct	2 ms	384 KB	Output is correct
16	Correct	2 ms	384 KB	Output is correct
17	Correct	3 ms	384 KB	Output is correct
18	Correct	2 ms	256 KB	Output is correct
19	Correct	2 ms	384 KB	Output is correct
20	Correct	3 ms	256 KB	Output is correct
21	Correct	3 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	2 ms	256 KB	Output is correct
24	Correct	2 ms	384 KB	Output is correct
25	Correct	2 ms	384 KB	Output is correct
26	Correct	3 ms	384 KB	Output is correct
27	Correct	3 ms	256 KB	Output is correct
28	Correct	2 ms	384 KB	Output is correct
29	Correct	4 ms	256 KB	Output is correct

Subtask #3

28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	3 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	3 ms	384 KB	Output is correct
7	Correct	2 ms	256 KB	Output is correct
8	Correct	3 ms	384 KB	Output is correct
9	Correct	3 ms	256 KB	Output is correct
10	Correct	3 ms	384 KB	Output is correct
11	Correct	3 ms	304 KB	Output is correct
12	Correct	3 ms	384 KB	Output is correct
13	Correct	2 ms	384 KB	Output is correct
14	Correct	3 ms	384 KB	Output is correct
15	Correct	2 ms	384 KB	Output is correct
16	Correct	2 ms	384 KB	Output is correct
17	Correct	3 ms	384 KB	Output is correct
18	Correct	2 ms	256 KB	Output is correct
19	Correct	2 ms	384 KB	Output is correct
20	Correct	3 ms	256 KB	Output is correct
21	Correct	3 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	2 ms	256 KB	Output is correct
24	Correct	2 ms	384 KB	Output is correct
25	Correct	2 ms	384 KB	Output is correct
26	Correct	3 ms	384 KB	Output is correct
27	Correct	3 ms	256 KB	Output is correct
28	Correct	2 ms	384 KB	Output is correct
29	Correct	4 ms	256 KB	Output is correct
30	Correct	197 ms	12124 KB	Output is correct
31	Correct	164 ms	12168 KB	Output is correct
32	Correct	135 ms	12024 KB	Output is correct
33	Correct	136 ms	12024 KB	Output is correct
34	Correct	144 ms	12024 KB	Output is correct
35	Correct	149 ms	18808 KB	Output is correct
36	Correct	162 ms	18808 KB	Output is correct
37	Correct	219 ms	18780 KB	Output is correct
38	Correct	145 ms	19004 KB	Output is correct
39	Correct	180 ms	18824 KB	Output is correct
40	Correct	155 ms	18780 KB	Output is correct
41	Correct	159 ms	18792 KB	Output is correct
42	Correct	158 ms	18784 KB	Output is correct
43	Correct	152 ms	18780 KB	Output is correct

Subtask #4

0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	2 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	2 ms	256 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	3 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	3 ms	384 KB	Output is correct
7	Correct	2 ms	256 KB	Output is correct
8	Correct	3 ms	384 KB	Output is correct
9	Correct	3 ms	256 KB	Output is correct
10	Correct	3 ms	384 KB	Output is correct
11	Correct	3 ms	304 KB	Output is correct
12	Correct	3 ms	384 KB	Output is correct
13	Correct	2 ms	384 KB	Output is correct
14	Correct	3 ms	384 KB	Output is correct
15	Correct	2 ms	384 KB	Output is correct
16	Correct	2 ms	384 KB	Output is correct
17	Correct	3 ms	384 KB	Output is correct
18	Correct	2 ms	256 KB	Output is correct
19	Correct	2 ms	384 KB	Output is correct
20	Correct	3 ms	256 KB	Output is correct
21	Correct	3 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	2 ms	256 KB	Output is correct
24	Correct	2 ms	384 KB	Output is correct
25	Correct	2 ms	384 KB	Output is correct
26	Correct	3 ms	384 KB	Output is correct
27	Correct	3 ms	256 KB	Output is correct
28	Correct	2 ms	384 KB	Output is correct
29	Correct	4 ms	256 KB	Output is correct
30	Correct	197 ms	12124 KB	Output is correct
31	Correct	164 ms	12168 KB	Output is correct
32	Correct	135 ms	12024 KB	Output is correct
33	Correct	136 ms	12024 KB	Output is correct
34	Correct	144 ms	12024 KB	Output is correct
35	Correct	149 ms	18808 KB	Output is correct
36	Correct	162 ms	18808 KB	Output is correct
37	Correct	219 ms	18780 KB	Output is correct
38	Correct	145 ms	19004 KB	Output is correct
39	Correct	180 ms	18824 KB	Output is correct
40	Correct	155 ms	18780 KB	Output is correct
41	Correct	159 ms	18792 KB	Output is correct
42	Correct	158 ms	18784 KB	Output is correct
43	Correct	152 ms	18780 KB	Output is correct
44	Incorrect	2 ms	384 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-