Submission #893212

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
893212	2023-12-26T17:50:12 Z	vjudge1	Ancient Books (IOI17_books)	C++17	50 / 100	108 ms	16080 KB

books

#include "books.h"

#include <bits/stdc++.h>

using namespace std;

using ll = long long;
using vll = vector<ll>;
using vi = vector<int>;
using ii = pair<int, int>;

struct UF {
    vi e;
    UF(int N) : e(N, -1) {}
    int repr(int u) {
        while(e[u] >= 0) u = e[u];
        return u;
    }

    int join(int u, int v) {
        u = repr(u);
        v = repr(v);
        if(u == v) return 0;
        if(e[u] >= e[v]) swap(u, v);
        e[u] += e[v];
        e[v] = u;
        return 1;
    }
};

long long minimum_walk(vi p, int s) {
    int n = p.size();
    vi on(n, 0), sum(n, 0);
    int mi = n, ma = 0;
    for(int i = 0; i < n; ++i) {
        int st = min(i, p[i]);
        int dr = max(i, p[i]);
        ++sum[st];
        --sum[dr];
        if(st != dr) {
            ma = max(ma, dr);
            mi = min(mi, st);
        }
    }
    for(int i = 1; i < n; ++i)
        sum[i] += sum[i - 1];
    ll re = 0;
    for(int i = 0; i < n; ++i) 
        re += abs(i - p[i]);
    for(int i = s - 1; i >= mi; --i) {
        if(!sum[i]) re += 2;
    }
    for(int i = s; i < ma; ++i)
        if(!sum[i]) re += 2;
    return re;
}

Subtask #1
12.0 / 12.0

#	Verdict	Memory	Grader output
1	Correct	344 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	348 KB	Output is correct
6	Correct	348 KB	Output is correct
7	Correct	344 KB	Output is correct
8	Correct	348 KB	Output is correct
9	Correct	348 KB	Output is correct
10	Correct	348 KB	Output is correct
11	Correct	348 KB	Output is correct
12	Correct	348 KB	Output is correct
13	Correct	348 KB	Output is correct
14	Correct	348 KB	Output is correct
15	Correct	348 KB	Output is correct
16	Correct	348 KB	Output is correct
17	Correct	348 KB	Output is correct
18	Correct	348 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	1 ms	344 KB	Output is correct
28	Correct	0 ms	360 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct

Subtask #3
28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	1 ms	344 KB	Output is correct
28	Correct	0 ms	360 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	102 ms	15956 KB	Output is correct
31	Correct	99 ms	15952 KB	Output is correct
32	Correct	95 ms	15956 KB	Output is correct
33	Correct	108 ms	15872 KB	Output is correct
34	Correct	99 ms	15952 KB	Output is correct
35	Correct	103 ms	15852 KB	Output is correct
36	Correct	100 ms	16080 KB	Output is correct
37	Correct	100 ms	15856 KB	Output is correct
38	Correct	97 ms	15868 KB	Output is correct
39	Correct	98 ms	15872 KB	Output is correct
40	Correct	98 ms	15872 KB	Output is correct
41	Correct	98 ms	15952 KB	Output is correct
42	Correct	103 ms	15852 KB	Output is correct
43	Correct	99 ms	15960 KB	Output is correct

Subtask #4
0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	1 ms	344 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	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	1 ms	344 KB	Output is correct
28	Correct	0 ms	360 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	102 ms	15956 KB	Output is correct
31	Correct	99 ms	15952 KB	Output is correct
32	Correct	95 ms	15956 KB	Output is correct
33	Correct	108 ms	15872 KB	Output is correct
34	Correct	99 ms	15952 KB	Output is correct
35	Correct	103 ms	15852 KB	Output is correct
36	Correct	100 ms	16080 KB	Output is correct
37	Correct	100 ms	15856 KB	Output is correct
38	Correct	97 ms	15868 KB	Output is correct
39	Correct	98 ms	15872 KB	Output is correct
40	Correct	98 ms	15872 KB	Output is correct
41	Correct	98 ms	15952 KB	Output is correct
42	Correct	103 ms	15852 KB	Output is correct
43	Correct	99 ms	15960 KB	Output is correct
44	Incorrect	1 ms	344 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-

Submission #893212

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