oj.uz

Submission #46922

# Submission time Handle Problem Language Result Execution time Memory
46922 2018-04-24T17:59:32 Z SpaimaCarpatilor Ancient Books (IOI17_books) C++17
100 / 100
 1037 ms 249660 KB 
#include "books.h"
#include<bits/stdc++.h>

using namespace std;

int nr, N, BG, p[1000009], d[1000009], mars[1000009];
set < int > S;
vector < int > v[1000009];

void add (int node, int newD)
{
    if (d[node] != -1) return ;
    d[node] = newD, v[newD].push_back (node), S.erase (node);
    int l = node, r = p[node];
    if (l > r) swap (l, r);
    while (1)
    {
        auto it = S.lower_bound (l);
        if (it == S.end () || *it > r) break;
        add (*it, newD);
    }
}

long long minimum_walk (vector < int > pp, int ss)
{
    N = pp.size (), BG = ss + 1;
    for (int i=1; i<=N; i++)
        p[i] = pp[i - 1] + 1;
    long long ans = 0;
    int x = 0, y = 0;
    for (int i=1; i<=N; i++)
    {
        int curr = i - p[i];
        if (curr < 0) curr = -curr;
        ans += curr;
        int l = i, r = p[i];
        if (l > r) swap (l, r);
        mars[l] ++, mars[r] --;
        if (i != p[i] || i == BG)
        {
            if (x == 0) x = i;
            y = i;
        }
    }
    for (int i=1; i<N; i++)
        mars[i] += mars[i - 1];
    if (mars[BG - 1] != 0 || mars[BG] != 0)
    {
        int lft = BG, rgt = BG;
        while (mars[rgt] > 0) rgt ++;
        while (mars[lft - 1] > 0) lft --;
        for (int i=lft; i<=rgt; i++)
            S.insert (i), d[i] = -1;
        add (BG, 0);
        for (int i=0; !v[i].empty (); i++)
            for (auto it : v[i])
            {
                if (it > 1) add (it - 1, i + 1);
                if (it < N) add (it + 1, i + 1);
            }
        int maxi = 0;
        for (int i=lft; i<=rgt; i++)
            maxi = max (maxi, d[i]);
        ans += 2LL * maxi;
    }
    for (int i=x; i<y; i++)
        if (mars[i] == 0)
            ans += 2;
    return ans;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 23800 KB Output is correct
2 Correct 38 ms 23908 KB Output is correct
3 Correct 21 ms 23984 KB Output is correct
4 Correct 20 ms 24032 KB Output is correct
5 Correct 20 ms 24044 KB Output is correct
6 Correct 19 ms 24044 KB Output is correct
7 Correct 20 ms 24120 KB Output is correct
8 Correct 22 ms 24120 KB Output is correct
9 Correct 20 ms 24120 KB Output is correct
10 Correct 20 ms 24120 KB Output is correct
11 Correct 20 ms 24120 KB Output is correct
12 Correct 20 ms 24120 KB Output is correct
13 Correct 20 ms 24120 KB Output is correct
14 Correct 20 ms 24120 KB Output is correct
15 Correct 20 ms 24120 KB Output is correct
16 Correct 20 ms 24120 KB Output is correct
17 Correct 22 ms 24136 KB Output is correct
18 Correct 20 ms 24184 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 23800 KB Output is correct
2 Correct 38 ms 23908 KB Output is correct
3 Correct 21 ms 23984 KB Output is correct
4 Correct 20 ms 24032 KB Output is correct
5 Correct 20 ms 24044 KB Output is correct
6 Correct 19 ms 24044 KB Output is correct
7 Correct 20 ms 24120 KB Output is correct
8 Correct 22 ms 24120 KB Output is correct
9 Correct 20 ms 24120 KB Output is correct
10 Correct 20 ms 24120 KB Output is correct
11 Correct 20 ms 24120 KB Output is correct
12 Correct 20 ms 24120 KB Output is correct
13 Correct 20 ms 24120 KB Output is correct
14 Correct 20 ms 24120 KB Output is correct
15 Correct 20 ms 24120 KB Output is correct
16 Correct 20 ms 24120 KB Output is correct
17 Correct 22 ms 24136 KB Output is correct
18 Correct 20 ms 24184 KB Output is correct
19 Correct 20 ms 24188 KB Output is correct
20 Correct 20 ms 24188 KB Output is correct
21 Correct 21 ms 24188 KB Output is correct
22 Correct 21 ms 24188 KB Output is correct
23 Correct 22 ms 24188 KB Output is correct
24 Correct 21 ms 24236 KB Output is correct
25 Correct 22 ms 24236 KB Output is correct
26 Correct 21 ms 24236 KB Output is correct
27 Correct 21 ms 24236 KB Output is correct
28 Correct 23 ms 24236 KB Output is correct
29 Correct 25 ms 24236 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 23800 KB Output is correct
2 Correct 38 ms 23908 KB Output is correct
3 Correct 21 ms 23984 KB Output is correct
4 Correct 20 ms 24032 KB Output is correct
5 Correct 20 ms 24044 KB Output is correct
6 Correct 19 ms 24044 KB Output is correct
7 Correct 20 ms 24120 KB Output is correct
8 Correct 22 ms 24120 KB Output is correct
9 Correct 20 ms 24120 KB Output is correct
10 Correct 20 ms 24120 KB Output is correct
11 Correct 20 ms 24120 KB Output is correct
12 Correct 20 ms 24120 KB Output is correct
13 Correct 20 ms 24120 KB Output is correct
14 Correct 20 ms 24120 KB Output is correct
15 Correct 20 ms 24120 KB Output is correct
16 Correct 20 ms 24120 KB Output is correct
17 Correct 22 ms 24136 KB Output is correct
18 Correct 20 ms 24184 KB Output is correct
19 Correct 20 ms 24188 KB Output is correct
20 Correct 20 ms 24188 KB Output is correct
21 Correct 21 ms 24188 KB Output is correct
22 Correct 21 ms 24188 KB Output is correct
23 Correct 22 ms 24188 KB Output is correct
24 Correct 21 ms 24236 KB Output is correct
25 Correct 22 ms 24236 KB Output is correct
26 Correct 21 ms 24236 KB Output is correct
27 Correct 21 ms 24236 KB Output is correct
28 Correct 23 ms 24236 KB Output is correct
29 Correct 25 ms 24236 KB Output is correct
30 Correct 863 ms 114108 KB Output is correct
31 Correct 853 ms 114148 KB Output is correct
32 Correct 173 ms 114148 KB Output is correct
33 Correct 169 ms 114148 KB Output is correct
34 Correct 227 ms 114148 KB Output is correct
35 Correct 174 ms 114148 KB Output is correct
36 Correct 190 ms 114148 KB Output is correct
37 Correct 174 ms 114148 KB Output is correct
38 Correct 198 ms 114148 KB Output is correct
39 Correct 190 ms 114148 KB Output is correct
40 Correct 202 ms 114148 KB Output is correct
41 Correct 327 ms 114148 KB Output is correct
42 Correct 208 ms 114148 KB Output is correct
43 Correct 908 ms 114148 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 114148 KB Output is correct
2 Correct 21 ms 114148 KB Output is correct
3 Correct 21 ms 114148 KB Output is correct
4 Correct 21 ms 114148 KB Output is correct
5 Correct 22 ms 114148 KB Output is correct
6 Correct 23 ms 114148 KB Output is correct
7 Correct 27 ms 114148 KB Output is correct
8 Correct 24 ms 114148 KB Output is correct
9 Correct 21 ms 114148 KB Output is correct
10 Correct 21 ms 114148 KB Output is correct
11 Correct 21 ms 114148 KB Output is correct
12 Correct 24 ms 114148 KB Output is correct
13 Correct 24 ms 114148 KB Output is correct
14 Correct 22 ms 114148 KB Output is correct
15 Correct 22 ms 114148 KB Output is correct
16 Correct 22 ms 114148 KB Output is correct
17 Correct 23 ms 114148 KB Output is correct
18 Correct 21 ms 114148 KB Output is correct
19 Correct 22 ms 114148 KB Output is correct
20 Correct 22 ms 114148 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 23800 KB Output is correct
2 Correct 38 ms 23908 KB Output is correct
3 Correct 21 ms 23984 KB Output is correct
4 Correct 20 ms 24032 KB Output is correct
5 Correct 20 ms 24044 KB Output is correct
6 Correct 19 ms 24044 KB Output is correct
7 Correct 20 ms 24120 KB Output is correct
8 Correct 22 ms 24120 KB Output is correct
9 Correct 20 ms 24120 KB Output is correct
10 Correct 20 ms 24120 KB Output is correct
11 Correct 20 ms 24120 KB Output is correct
12 Correct 20 ms 24120 KB Output is correct
13 Correct 20 ms 24120 KB Output is correct
14 Correct 20 ms 24120 KB Output is correct
15 Correct 20 ms 24120 KB Output is correct
16 Correct 20 ms 24120 KB Output is correct
17 Correct 22 ms 24136 KB Output is correct
18 Correct 20 ms 24184 KB Output is correct
19 Correct 20 ms 24188 KB Output is correct
20 Correct 20 ms 24188 KB Output is correct
21 Correct 21 ms 24188 KB Output is correct
22 Correct 21 ms 24188 KB Output is correct
23 Correct 22 ms 24188 KB Output is correct
24 Correct 21 ms 24236 KB Output is correct
25 Correct 22 ms 24236 KB Output is correct
26 Correct 21 ms 24236 KB Output is correct
27 Correct 21 ms 24236 KB Output is correct
28 Correct 23 ms 24236 KB Output is correct
29 Correct 25 ms 24236 KB Output is correct
30 Correct 863 ms 114108 KB Output is correct
31 Correct 853 ms 114148 KB Output is correct
32 Correct 173 ms 114148 KB Output is correct
33 Correct 169 ms 114148 KB Output is correct
34 Correct 227 ms 114148 KB Output is correct
35 Correct 174 ms 114148 KB Output is correct
36 Correct 190 ms 114148 KB Output is correct
37 Correct 174 ms 114148 KB Output is correct
38 Correct 198 ms 114148 KB Output is correct
39 Correct 190 ms 114148 KB Output is correct
40 Correct 202 ms 114148 KB Output is correct
41 Correct 327 ms 114148 KB Output is correct
42 Correct 208 ms 114148 KB Output is correct
43 Correct 908 ms 114148 KB Output is correct
44 Correct 21 ms 114148 KB Output is correct
45 Correct 21 ms 114148 KB Output is correct
46 Correct 21 ms 114148 KB Output is correct
47 Correct 21 ms 114148 KB Output is correct
48 Correct 22 ms 114148 KB Output is correct
49 Correct 23 ms 114148 KB Output is correct
50 Correct 27 ms 114148 KB Output is correct
51 Correct 24 ms 114148 KB Output is correct
52 Correct 21 ms 114148 KB Output is correct
53 Correct 21 ms 114148 KB Output is correct
54 Correct 21 ms 114148 KB Output is correct
55 Correct 24 ms 114148 KB Output is correct
56 Correct 24 ms 114148 KB Output is correct
57 Correct 22 ms 114148 KB Output is correct
58 Correct 22 ms 114148 KB Output is correct
59 Correct 22 ms 114148 KB Output is correct
60 Correct 23 ms 114148 KB Output is correct
61 Correct 21 ms 114148 KB Output is correct
62 Correct 22 ms 114148 KB Output is correct
63 Correct 22 ms 114148 KB Output is correct
64 Correct 860 ms 114148 KB Output is correct
65 Correct 871 ms 114148 KB Output is correct
66 Correct 903 ms 114148 KB Output is correct
67 Correct 849 ms 117704 KB Output is correct
68 Correct 79 ms 117704 KB Output is correct
69 Correct 89 ms 117704 KB Output is correct
70 Correct 91 ms 117704 KB Output is correct
71 Correct 84 ms 117704 KB Output is correct
72 Correct 82 ms 117704 KB Output is correct
73 Correct 97 ms 117704 KB Output is correct
74 Correct 203 ms 117704 KB Output is correct
75 Correct 207 ms 117704 KB Output is correct
76 Correct 913 ms 141644 KB Output is correct
77 Correct 923 ms 148324 KB Output is correct
78 Correct 725 ms 148324 KB Output is correct
79 Correct 752 ms 151956 KB Output is correct
80 Correct 162 ms 151956 KB Output is correct
81 Correct 915 ms 175172 KB Output is correct
82 Correct 937 ms 181916 KB Output is correct
83 Correct 1008 ms 188788 KB Output is correct
84 Correct 1012 ms 195584 KB Output is correct
85 Correct 935 ms 202180 KB Output is correct
86 Correct 962 ms 208984 KB Output is correct
87 Correct 1037 ms 215652 KB Output is correct
88 Correct 1020 ms 222344 KB Output is correct
89 Correct 1020 ms 229268 KB Output is correct
90 Correct 1006 ms 235884 KB Output is correct
91 Correct 929 ms 242760 KB Output is correct
92 Correct 995 ms 249660 KB Output is correct