oj.uz

Submission #893187

# Submission time Handle Problem Language Result Execution time Memory
893187 2023-12-26T16:19:06 Z abcvuitunggio Ancient Books (IOI17_books) C++17
100 / 100
 107 ms 30716 KB 
#include "books.h"
#include <bits/stdc++.h>
using namespace std;
int vis[1000001],r[1000001],g[1000001],nxt[1000001];
long long minimum_walk(vector <int> p, int s){
    int n=p.size(),lo=n,hi=0;
    iota(nxt,nxt+n,0);
    long long d=0;
    for (int i=0;i<n;i++)
        if (!vis[i]){
            int x=i;
            while (!vis[x]){
                vis[x]=1;
                g[x]=i;
                r[i]=max(r[i],x);
                d+=abs(x-p[x]);
                x=p[x];
            }
          	if (r[i]!=i||i==s){
                lo=min(lo,i);
                hi=max(hi,r[i]);
          	}
        }
    int L=g[s],R=r[g[s]];
    while (L>lo||R<hi){
        if (nxt[L]!=R){
            int j=nxt[L]+1;
            nxt[L]=nxt[j];
            L=min(L,g[j]);
            R=max(R,r[g[j]]);
            continue;
        }
        int tmpl=L,tmpr=R,ch=0;
        long long d2=d;
        while (L>lo||R<hi){
            d+=2;
            d2+=((L>lo)+(R<hi))*2;
            L=max(L-1,lo);
            R=min(R+1,hi);
            int newL=g[L],newR=r[g[R]];
            for (;L>=newL;newL=min(newL,g[L]),L--)
                if (r[g[L]]>tmpr){
                    R=r[g[L]];
                    L=g[L];
                    ch=1;
                    break;
                }
            if (ch)
                break;
            L++;
            for (;R<=newR;newR=max(newR,r[g[R]]),R++)
                if (g[R]<tmpl){
                    L=g[R];
                    R=r[g[R]];
                    ch=1;
                    break;
                }
            if (ch)
                break;
            R--;
        }
        if (!ch)
            d=d2;
    }
    return d;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2496 KB Output is correct
13 Correct 1 ms 2496 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2496 KB Output is correct
13 Correct 1 ms 2496 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2392 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2392 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 1 ms 2392 KB Output is correct
28 Correct 1 ms 2392 KB Output is correct
29 Correct 1 ms 2392 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2496 KB Output is correct
13 Correct 1 ms 2496 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2392 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2392 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 1 ms 2392 KB Output is correct
28 Correct 1 ms 2392 KB Output is correct
29 Correct 1 ms 2392 KB Output is correct
30 Correct 93 ms 26604 KB Output is correct
31 Correct 96 ms 26708 KB Output is correct
32 Correct 78 ms 30548 KB Output is correct
33 Correct 88 ms 30408 KB Output is correct
34 Correct 89 ms 30444 KB Output is correct
35 Correct 93 ms 30384 KB Output is correct
36 Correct 86 ms 30444 KB Output is correct
37 Correct 81 ms 30548 KB Output is correct
38 Correct 83 ms 30052 KB Output is correct
39 Correct 82 ms 29804 KB Output is correct
40 Correct 84 ms 27624 KB Output is correct
41 Correct 96 ms 26748 KB Output is correct
42 Correct 93 ms 26944 KB Output is correct
43 Correct 83 ms 30540 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2496 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2436 KB Output is correct
13 Correct 1 ms 2648 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2496 KB Output is correct
13 Correct 1 ms 2496 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2392 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2392 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 1 ms 2392 KB Output is correct
28 Correct 1 ms 2392 KB Output is correct
29 Correct 1 ms 2392 KB Output is correct
30 Correct 93 ms 26604 KB Output is correct
31 Correct 96 ms 26708 KB Output is correct
32 Correct 78 ms 30548 KB Output is correct
33 Correct 88 ms 30408 KB Output is correct
34 Correct 89 ms 30444 KB Output is correct
35 Correct 93 ms 30384 KB Output is correct
36 Correct 86 ms 30444 KB Output is correct
37 Correct 81 ms 30548 KB Output is correct
38 Correct 83 ms 30052 KB Output is correct
39 Correct 82 ms 29804 KB Output is correct
40 Correct 84 ms 27624 KB Output is correct
41 Correct 96 ms 26748 KB Output is correct
42 Correct 93 ms 26944 KB Output is correct
43 Correct 83 ms 30540 KB Output is correct
44 Correct 1 ms 2396 KB Output is correct
45 Correct 1 ms 2396 KB Output is correct
46 Correct 1 ms 2396 KB Output is correct
47 Correct 1 ms 2396 KB Output is correct
48 Correct 1 ms 2396 KB Output is correct
49 Correct 1 ms 2396 KB Output is correct
50 Correct 1 ms 2396 KB Output is correct
51 Correct 1 ms 2396 KB Output is correct
52 Correct 1 ms 2496 KB Output is correct
53 Correct 1 ms 2396 KB Output is correct
54 Correct 1 ms 2396 KB Output is correct
55 Correct 1 ms 2436 KB Output is correct
56 Correct 1 ms 2648 KB Output is correct
57 Correct 1 ms 2396 KB Output is correct
58 Correct 1 ms 2396 KB Output is correct
59 Correct 1 ms 2396 KB Output is correct
60 Correct 1 ms 2396 KB Output is correct
61 Correct 1 ms 2396 KB Output is correct
62 Correct 1 ms 2396 KB Output is correct
63 Correct 1 ms 2396 KB Output is correct
64 Correct 82 ms 30588 KB Output is correct
65 Correct 86 ms 30480 KB Output is correct
66 Correct 81 ms 30440 KB Output is correct
67 Correct 86 ms 30572 KB Output is correct
68 Correct 9 ms 8796 KB Output is correct
69 Correct 9 ms 8792 KB Output is correct
70 Correct 9 ms 8792 KB Output is correct
71 Correct 9 ms 8792 KB Output is correct
72 Correct 9 ms 8848 KB Output is correct
73 Correct 9 ms 8540 KB Output is correct
74 Correct 86 ms 30584 KB Output is correct
75 Correct 94 ms 30612 KB Output is correct
76 Correct 84 ms 30544 KB Output is correct
77 Correct 83 ms 30548 KB Output is correct
78 Correct 90 ms 30544 KB Output is correct
79 Correct 89 ms 30544 KB Output is correct
80 Correct 78 ms 30548 KB Output is correct
81 Correct 84 ms 29324 KB Output is correct
82 Correct 84 ms 29264 KB Output is correct
83 Correct 96 ms 30544 KB Output is correct
84 Correct 104 ms 30716 KB Output is correct
85 Correct 89 ms 30440 KB Output is correct
86 Correct 107 ms 30444 KB Output is correct
87 Correct 98 ms 30568 KB Output is correct
88 Correct 92 ms 30548 KB Output is correct
89 Correct 91 ms 30548 KB Output is correct
90 Correct 94 ms 30440 KB Output is correct
91 Correct 88 ms 30544 KB Output is correct
92 Correct 90 ms 27984 KB Output is correct