Submission #638777

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
638777	2022-09-07T12:27:52 Z	qwerasdfzxcl	Ancient Books (IOI17_books)	C++17	50 / 100	122 ms	35304 KB

books

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

using namespace std;
typedef long long ll;
int a[1001000], n, s;
bool visited[1001000];

ll myabs(ll x){
    if (x<0) return -x;
    return x;
}

ll solve(int l, int r){
    if (l>r) return 0;
    ll ret = 0;
    int mx = l;

    for (int i=l;i<=mx;i++) if (!visited[i]){
        for (int j=i;!visited[j];j=a[j]){
            visited[j] = 1;
            ret += myabs(j - a[j]);
            mx = max(mx, j);
        }
    }

    ll ret2 = solve(mx+1, r);
    return ret + (ret2 ? ret2+2 : 0);
}

long long minimum_walk(std::vector<int> P, int S) {
    n = P.size();
	for (int i=1;i<=n;i++) a[i] = P[i-1] + 1;
	s = S+1;

	return solve(1, n);
}

Subtask #1
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	216 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	232 KB	Output is correct
9	Correct	1 ms	216 KB	Output is correct
10	Correct	0 ms	304 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	308 KB	Output is correct
15	Correct	0 ms	216 KB	Output is correct
16	Correct	0 ms	312 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	0 ms	316 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	216 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	232 KB	Output is correct
9	Correct	1 ms	216 KB	Output is correct
10	Correct	0 ms	304 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	308 KB	Output is correct
15	Correct	0 ms	216 KB	Output is correct
16	Correct	0 ms	312 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	0 ms	316 KB	Output is correct
19	Correct	1 ms	308 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	304 KB	Output is correct
26	Correct	1 ms	312 KB	Output is correct
27	Correct	1 ms	308 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct

Subtask #3
28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	216 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	232 KB	Output is correct
9	Correct	1 ms	216 KB	Output is correct
10	Correct	0 ms	304 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	308 KB	Output is correct
15	Correct	0 ms	216 KB	Output is correct
16	Correct	0 ms	312 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	0 ms	316 KB	Output is correct
19	Correct	1 ms	308 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	304 KB	Output is correct
26	Correct	1 ms	312 KB	Output is correct
27	Correct	1 ms	308 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	108 ms	19764 KB	Output is correct
31	Correct	106 ms	19764 KB	Output is correct
32	Correct	96 ms	35304 KB	Output is correct
33	Correct	100 ms	29804 KB	Output is correct
34	Correct	96 ms	29672 KB	Output is correct
35	Correct	101 ms	26860 KB	Output is correct
36	Correct	122 ms	21744 KB	Output is correct
37	Correct	94 ms	20068 KB	Output is correct
38	Correct	98 ms	19700 KB	Output is correct
39	Correct	96 ms	19688 KB	Output is correct
40	Correct	96 ms	19692 KB	Output is correct
41	Correct	113 ms	19700 KB	Output is correct
42	Correct	101 ms	19696 KB	Output is correct
43	Correct	96 ms	19660 KB	Output is correct

Subtask #4
0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	1 ms	224 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	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	216 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	232 KB	Output is correct
9	Correct	1 ms	216 KB	Output is correct
10	Correct	0 ms	304 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	308 KB	Output is correct
15	Correct	0 ms	216 KB	Output is correct
16	Correct	0 ms	312 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	0 ms	316 KB	Output is correct
19	Correct	1 ms	308 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	304 KB	Output is correct
26	Correct	1 ms	312 KB	Output is correct
27	Correct	1 ms	308 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	108 ms	19764 KB	Output is correct
31	Correct	106 ms	19764 KB	Output is correct
32	Correct	96 ms	35304 KB	Output is correct
33	Correct	100 ms	29804 KB	Output is correct
34	Correct	96 ms	29672 KB	Output is correct
35	Correct	101 ms	26860 KB	Output is correct
36	Correct	122 ms	21744 KB	Output is correct
37	Correct	94 ms	20068 KB	Output is correct
38	Correct	98 ms	19700 KB	Output is correct
39	Correct	96 ms	19688 KB	Output is correct
40	Correct	96 ms	19692 KB	Output is correct
41	Correct	113 ms	19700 KB	Output is correct
42	Correct	101 ms	19696 KB	Output is correct
43	Correct	96 ms	19660 KB	Output is correct
44	Incorrect	1 ms	224 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-

Submission #638777

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