Submission #73670

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
73670	2018-08-28T17:09:29 Z	aquablitz11	Ancient Books (IOI17_books)	C++14	50 / 100	313 ms	12412 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; ++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	2 ms	376 KB	Output is correct
2	Correct	2 ms	488 KB	Output is correct
3	Correct	3 ms	488 KB	Output is correct
4	Correct	3 ms	488 KB	Output is correct
5	Correct	2 ms	488 KB	Output is correct
6	Correct	2 ms	488 KB	Output is correct
7	Correct	2 ms	488 KB	Output is correct
8	Correct	3 ms	488 KB	Output is correct
9	Correct	3 ms	488 KB	Output is correct
10	Correct	2 ms	488 KB	Output is correct
11	Correct	2 ms	488 KB	Output is correct
12	Correct	3 ms	520 KB	Output is correct
13	Correct	3 ms	568 KB	Output is correct
14	Correct	3 ms	568 KB	Output is correct
15	Correct	2 ms	568 KB	Output is correct
16	Correct	2 ms	596 KB	Output is correct
17	Correct	2 ms	596 KB	Output is correct
18	Correct	2 ms	596 KB	Output is correct

Subtask #2

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	488 KB	Output is correct
3	Correct	3 ms	488 KB	Output is correct
4	Correct	3 ms	488 KB	Output is correct
5	Correct	2 ms	488 KB	Output is correct
6	Correct	2 ms	488 KB	Output is correct
7	Correct	2 ms	488 KB	Output is correct
8	Correct	3 ms	488 KB	Output is correct
9	Correct	3 ms	488 KB	Output is correct
10	Correct	2 ms	488 KB	Output is correct
11	Correct	2 ms	488 KB	Output is correct
12	Correct	3 ms	520 KB	Output is correct
13	Correct	3 ms	568 KB	Output is correct
14	Correct	3 ms	568 KB	Output is correct
15	Correct	2 ms	568 KB	Output is correct
16	Correct	2 ms	596 KB	Output is correct
17	Correct	2 ms	596 KB	Output is correct
18	Correct	2 ms	596 KB	Output is correct
19	Correct	2 ms	596 KB	Output is correct
20	Correct	2 ms	596 KB	Output is correct
21	Correct	3 ms	620 KB	Output is correct
22	Correct	3 ms	620 KB	Output is correct
23	Correct	3 ms	620 KB	Output is correct
24	Correct	3 ms	620 KB	Output is correct
25	Correct	3 ms	620 KB	Output is correct
26	Correct	3 ms	620 KB	Output is correct
27	Correct	3 ms	620 KB	Output is correct
28	Correct	3 ms	620 KB	Output is correct
29	Correct	4 ms	620 KB	Output is correct

Subtask #3

28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	488 KB	Output is correct
3	Correct	3 ms	488 KB	Output is correct
4	Correct	3 ms	488 KB	Output is correct
5	Correct	2 ms	488 KB	Output is correct
6	Correct	2 ms	488 KB	Output is correct
7	Correct	2 ms	488 KB	Output is correct
8	Correct	3 ms	488 KB	Output is correct
9	Correct	3 ms	488 KB	Output is correct
10	Correct	2 ms	488 KB	Output is correct
11	Correct	2 ms	488 KB	Output is correct
12	Correct	3 ms	520 KB	Output is correct
13	Correct	3 ms	568 KB	Output is correct
14	Correct	3 ms	568 KB	Output is correct
15	Correct	2 ms	568 KB	Output is correct
16	Correct	2 ms	596 KB	Output is correct
17	Correct	2 ms	596 KB	Output is correct
18	Correct	2 ms	596 KB	Output is correct
19	Correct	2 ms	596 KB	Output is correct
20	Correct	2 ms	596 KB	Output is correct
21	Correct	3 ms	620 KB	Output is correct
22	Correct	3 ms	620 KB	Output is correct
23	Correct	3 ms	620 KB	Output is correct
24	Correct	3 ms	620 KB	Output is correct
25	Correct	3 ms	620 KB	Output is correct
26	Correct	3 ms	620 KB	Output is correct
27	Correct	3 ms	620 KB	Output is correct
28	Correct	3 ms	620 KB	Output is correct
29	Correct	4 ms	620 KB	Output is correct
30	Correct	313 ms	12396 KB	Output is correct
31	Correct	307 ms	12396 KB	Output is correct
32	Correct	171 ms	12396 KB	Output is correct
33	Correct	171 ms	12396 KB	Output is correct
34	Correct	173 ms	12396 KB	Output is correct
35	Correct	205 ms	12396 KB	Output is correct
36	Correct	184 ms	12396 KB	Output is correct
37	Correct	235 ms	12396 KB	Output is correct
38	Correct	202 ms	12396 KB	Output is correct
39	Correct	160 ms	12396 KB	Output is correct
40	Correct	177 ms	12396 KB	Output is correct
41	Correct	242 ms	12396 KB	Output is correct
42	Correct	308 ms	12412 KB	Output is correct
43	Correct	165 ms	12412 KB	Output is correct

Subtask #4

0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	3 ms	12412 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	376 KB	Output is correct
2	Correct	2 ms	488 KB	Output is correct
3	Correct	3 ms	488 KB	Output is correct
4	Correct	3 ms	488 KB	Output is correct
5	Correct	2 ms	488 KB	Output is correct
6	Correct	2 ms	488 KB	Output is correct
7	Correct	2 ms	488 KB	Output is correct
8	Correct	3 ms	488 KB	Output is correct
9	Correct	3 ms	488 KB	Output is correct
10	Correct	2 ms	488 KB	Output is correct
11	Correct	2 ms	488 KB	Output is correct
12	Correct	3 ms	520 KB	Output is correct
13	Correct	3 ms	568 KB	Output is correct
14	Correct	3 ms	568 KB	Output is correct
15	Correct	2 ms	568 KB	Output is correct
16	Correct	2 ms	596 KB	Output is correct
17	Correct	2 ms	596 KB	Output is correct
18	Correct	2 ms	596 KB	Output is correct
19	Correct	2 ms	596 KB	Output is correct
20	Correct	2 ms	596 KB	Output is correct
21	Correct	3 ms	620 KB	Output is correct
22	Correct	3 ms	620 KB	Output is correct
23	Correct	3 ms	620 KB	Output is correct
24	Correct	3 ms	620 KB	Output is correct
25	Correct	3 ms	620 KB	Output is correct
26	Correct	3 ms	620 KB	Output is correct
27	Correct	3 ms	620 KB	Output is correct
28	Correct	3 ms	620 KB	Output is correct
29	Correct	4 ms	620 KB	Output is correct
30	Correct	313 ms	12396 KB	Output is correct
31	Correct	307 ms	12396 KB	Output is correct
32	Correct	171 ms	12396 KB	Output is correct
33	Correct	171 ms	12396 KB	Output is correct
34	Correct	173 ms	12396 KB	Output is correct
35	Correct	205 ms	12396 KB	Output is correct
36	Correct	184 ms	12396 KB	Output is correct
37	Correct	235 ms	12396 KB	Output is correct
38	Correct	202 ms	12396 KB	Output is correct
39	Correct	160 ms	12396 KB	Output is correct
40	Correct	177 ms	12396 KB	Output is correct
41	Correct	242 ms	12396 KB	Output is correct
42	Correct	308 ms	12412 KB	Output is correct
43	Correct	165 ms	12412 KB	Output is correct
44	Incorrect	3 ms	12412 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-