Submission #69662

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
69662	2018-08-21T11:11:59 Z	aquablitz11	Ancient Books (IOI17_books)	C++14	50 / 100	323 ms	12476 KB

books

#include <bits/stdc++.h>
#include "books.h"
using namespace std;

using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using plpii = pair<ll, pii>;

const int N = 1e6+10;
const ll INF = 1e9;

int qs[N];

ll minimum_walk(vector<int> p, int s)
{
    int n = p.size();
    ll dist = 0;
    for (int i = 0; i < n; ++i) {
        if (p[i] == -1) continue;
        if (p[i] == i) continue;
        int u = i;
        while (p[u] != -1) {
            int v = p[u];
            dist += abs(u-v);
            p[u] = -1;
            qs[min(u, v)] += 1;
            qs[max(u, v)] -= 1;
            u = v;
        }
    }
    int last = -1;
    if (p[s] == s) p[s] = -1;
    for (int i = 0; i < n-1; ++i) {
        if (i > 0) qs[i] += qs[i-1];
        if (last != -1 && p[i] == -1) {
            dist += 2*(i-last);
            last = -1;
        }
        if (qs[i] == 0 && p[i] == -1)
            last = i;
    }

    return dist;
}

Subtask #1

12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 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	3 ms	468 KB	Output is correct
5	Correct	2 ms	468 KB	Output is correct
6	Correct	3 ms	468 KB	Output is correct
7	Correct	2 ms	552 KB	Output is correct
8	Correct	4 ms	572 KB	Output is correct
9	Correct	2 ms	580 KB	Output is correct
10	Correct	2 ms	580 KB	Output is correct
11	Correct	2 ms	580 KB	Output is correct
12	Correct	3 ms	636 KB	Output is correct
13	Correct	3 ms	636 KB	Output is correct
14	Correct	2 ms	636 KB	Output is correct
15	Correct	2 ms	636 KB	Output is correct
16	Correct	3 ms	636 KB	Output is correct
17	Correct	2 ms	636 KB	Output is correct
18	Correct	3 ms	636 KB	Output is correct

Subtask #2

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 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	3 ms	468 KB	Output is correct
5	Correct	2 ms	468 KB	Output is correct
6	Correct	3 ms	468 KB	Output is correct
7	Correct	2 ms	552 KB	Output is correct
8	Correct	4 ms	572 KB	Output is correct
9	Correct	2 ms	580 KB	Output is correct
10	Correct	2 ms	580 KB	Output is correct
11	Correct	2 ms	580 KB	Output is correct
12	Correct	3 ms	636 KB	Output is correct
13	Correct	3 ms	636 KB	Output is correct
14	Correct	2 ms	636 KB	Output is correct
15	Correct	2 ms	636 KB	Output is correct
16	Correct	3 ms	636 KB	Output is correct
17	Correct	2 ms	636 KB	Output is correct
18	Correct	3 ms	636 KB	Output is correct
19	Correct	2 ms	636 KB	Output is correct
20	Correct	2 ms	636 KB	Output is correct
21	Correct	2 ms	636 KB	Output is correct
22	Correct	3 ms	636 KB	Output is correct
23	Correct	3 ms	748 KB	Output is correct
24	Correct	2 ms	748 KB	Output is correct
25	Correct	3 ms	748 KB	Output is correct
26	Correct	3 ms	748 KB	Output is correct
27	Correct	3 ms	748 KB	Output is correct
28	Correct	2 ms	748 KB	Output is correct
29	Correct	2 ms	748 KB	Output is correct

Subtask #3

28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 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	3 ms	468 KB	Output is correct
5	Correct	2 ms	468 KB	Output is correct
6	Correct	3 ms	468 KB	Output is correct
7	Correct	2 ms	552 KB	Output is correct
8	Correct	4 ms	572 KB	Output is correct
9	Correct	2 ms	580 KB	Output is correct
10	Correct	2 ms	580 KB	Output is correct
11	Correct	2 ms	580 KB	Output is correct
12	Correct	3 ms	636 KB	Output is correct
13	Correct	3 ms	636 KB	Output is correct
14	Correct	2 ms	636 KB	Output is correct
15	Correct	2 ms	636 KB	Output is correct
16	Correct	3 ms	636 KB	Output is correct
17	Correct	2 ms	636 KB	Output is correct
18	Correct	3 ms	636 KB	Output is correct
19	Correct	2 ms	636 KB	Output is correct
20	Correct	2 ms	636 KB	Output is correct
21	Correct	2 ms	636 KB	Output is correct
22	Correct	3 ms	636 KB	Output is correct
23	Correct	3 ms	748 KB	Output is correct
24	Correct	2 ms	748 KB	Output is correct
25	Correct	3 ms	748 KB	Output is correct
26	Correct	3 ms	748 KB	Output is correct
27	Correct	3 ms	748 KB	Output is correct
28	Correct	2 ms	748 KB	Output is correct
29	Correct	2 ms	748 KB	Output is correct
30	Correct	278 ms	12476 KB	Output is correct
31	Correct	323 ms	12476 KB	Output is correct
32	Correct	198 ms	12476 KB	Output is correct
33	Correct	189 ms	12476 KB	Output is correct
34	Correct	162 ms	12476 KB	Output is correct
35	Correct	210 ms	12476 KB	Output is correct
36	Correct	181 ms	12476 KB	Output is correct
37	Correct	172 ms	12476 KB	Output is correct
38	Correct	187 ms	12476 KB	Output is correct
39	Correct	161 ms	12476 KB	Output is correct
40	Correct	208 ms	12476 KB	Output is correct
41	Correct	234 ms	12476 KB	Output is correct
42	Correct	209 ms	12476 KB	Output is correct
43	Correct	177 ms	12476 KB	Output is correct

Subtask #4

0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	3 ms	12476 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	3 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	3 ms	468 KB	Output is correct
5	Correct	2 ms	468 KB	Output is correct
6	Correct	3 ms	468 KB	Output is correct
7	Correct	2 ms	552 KB	Output is correct
8	Correct	4 ms	572 KB	Output is correct
9	Correct	2 ms	580 KB	Output is correct
10	Correct	2 ms	580 KB	Output is correct
11	Correct	2 ms	580 KB	Output is correct
12	Correct	3 ms	636 KB	Output is correct
13	Correct	3 ms	636 KB	Output is correct
14	Correct	2 ms	636 KB	Output is correct
15	Correct	2 ms	636 KB	Output is correct
16	Correct	3 ms	636 KB	Output is correct
17	Correct	2 ms	636 KB	Output is correct
18	Correct	3 ms	636 KB	Output is correct
19	Correct	2 ms	636 KB	Output is correct
20	Correct	2 ms	636 KB	Output is correct
21	Correct	2 ms	636 KB	Output is correct
22	Correct	3 ms	636 KB	Output is correct
23	Correct	3 ms	748 KB	Output is correct
24	Correct	2 ms	748 KB	Output is correct
25	Correct	3 ms	748 KB	Output is correct
26	Correct	3 ms	748 KB	Output is correct
27	Correct	3 ms	748 KB	Output is correct
28	Correct	2 ms	748 KB	Output is correct
29	Correct	2 ms	748 KB	Output is correct
30	Correct	278 ms	12476 KB	Output is correct
31	Correct	323 ms	12476 KB	Output is correct
32	Correct	198 ms	12476 KB	Output is correct
33	Correct	189 ms	12476 KB	Output is correct
34	Correct	162 ms	12476 KB	Output is correct
35	Correct	210 ms	12476 KB	Output is correct
36	Correct	181 ms	12476 KB	Output is correct
37	Correct	172 ms	12476 KB	Output is correct
38	Correct	187 ms	12476 KB	Output is correct
39	Correct	161 ms	12476 KB	Output is correct
40	Correct	208 ms	12476 KB	Output is correct
41	Correct	234 ms	12476 KB	Output is correct
42	Correct	209 ms	12476 KB	Output is correct
43	Correct	177 ms	12476 KB	Output is correct
44	Incorrect	3 ms	12476 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-