Submission #892992

# Submission time Handle Problem Language Result Execution time Memory
892992 2023-12-26T09:45:45 Z abcvuitunggio Ancient Books (IOI17_books) C++17
100 / 100
112 ms 30744 KB
#include "books.h"
#include <bits/stdc++.h>
using namespace std;
int vis[1000001],r[1000001],g[1000001],nxt[1000001];
vector <pair <int, pair <int, int>>> e;
long long minimum_walk(vector <int> p, int s){
    int n=p.size(),lo=n,hi=0;
    iota(nxt,nxt+n,0);
    vector <pair <int, int>> tmp;
    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]];
            while (L>=newL){
                if (r[g[L]]>tmpr){
                    R=r[g[L]];
                    L=g[L];
                    ch=1;
                    break;
                }
                newL=min(newL,g[L]);
                L--;
            }
            if (ch)
                break;
            L++;
            while (R<=newR){
                if (g[R]<tmpl){
                    L=g[R];
                    R=r[g[R]];
                    ch=1;
                    break;
                }
                newR=max(newR,r[g[R]]);
                R++;
            }
            if (ch)
                break;
            R--;
        }
        if (!ch)
            d=d2;
    }
    return d;
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 2392 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 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 0 ms 2396 KB Output is correct
11 Correct 1 ms 2548 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 0 ms 2396 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 2392 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 2392 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 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 0 ms 2396 KB Output is correct
11 Correct 1 ms 2548 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 0 ms 2396 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 2392 KB Output is correct
19 Correct 1 ms 2396 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 2396 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 2396 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Correct 1 ms 2396 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 2392 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 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 0 ms 2396 KB Output is correct
11 Correct 1 ms 2548 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 0 ms 2396 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 2392 KB Output is correct
19 Correct 1 ms 2396 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 2396 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 2396 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Correct 1 ms 2396 KB Output is correct
30 Correct 99 ms 20008 KB Output is correct
31 Correct 94 ms 20004 KB Output is correct
32 Correct 73 ms 23888 KB Output is correct
33 Correct 83 ms 23800 KB Output is correct
34 Correct 86 ms 23824 KB Output is correct
35 Correct 84 ms 23800 KB Output is correct
36 Correct 79 ms 23892 KB Output is correct
37 Correct 76 ms 23812 KB Output is correct
38 Correct 80 ms 23288 KB Output is correct
39 Correct 85 ms 23036 KB Output is correct
40 Correct 79 ms 20820 KB Output is correct
41 Correct 89 ms 20052 KB Output is correct
42 Correct 83 ms 20308 KB Output is correct
43 Correct 78 ms 23816 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 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 2392 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 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 2652 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 2392 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 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 0 ms 2396 KB Output is correct
11 Correct 1 ms 2548 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 0 ms 2396 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 2392 KB Output is correct
19 Correct 1 ms 2396 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 2396 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 2396 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Correct 1 ms 2396 KB Output is correct
30 Correct 99 ms 20008 KB Output is correct
31 Correct 94 ms 20004 KB Output is correct
32 Correct 73 ms 23888 KB Output is correct
33 Correct 83 ms 23800 KB Output is correct
34 Correct 86 ms 23824 KB Output is correct
35 Correct 84 ms 23800 KB Output is correct
36 Correct 79 ms 23892 KB Output is correct
37 Correct 76 ms 23812 KB Output is correct
38 Correct 80 ms 23288 KB Output is correct
39 Correct 85 ms 23036 KB Output is correct
40 Correct 79 ms 20820 KB Output is correct
41 Correct 89 ms 20052 KB Output is correct
42 Correct 83 ms 20308 KB Output is correct
43 Correct 78 ms 23816 KB Output is correct
44 Correct 1 ms 2392 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 2396 KB Output is correct
53 Correct 1 ms 2392 KB Output is correct
54 Correct 1 ms 2396 KB Output is correct
55 Correct 1 ms 2396 KB Output is correct
56 Correct 1 ms 2396 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 2652 KB Output is correct
63 Correct 1 ms 2396 KB Output is correct
64 Correct 80 ms 30464 KB Output is correct
65 Correct 77 ms 30536 KB Output is correct
66 Correct 79 ms 30584 KB Output is correct
67 Correct 83 ms 30552 KB Output is correct
68 Correct 8 ms 8796 KB Output is correct
69 Correct 11 ms 9052 KB Output is correct
70 Correct 9 ms 8796 KB Output is correct
71 Correct 10 ms 8892 KB Output is correct
72 Correct 9 ms 8796 KB Output is correct
73 Correct 9 ms 8636 KB Output is correct
74 Correct 84 ms 30548 KB Output is correct
75 Correct 83 ms 30544 KB Output is correct
76 Correct 81 ms 30460 KB Output is correct
77 Correct 78 ms 30744 KB Output is correct
78 Correct 85 ms 30548 KB Output is correct
79 Correct 86 ms 30460 KB Output is correct
80 Correct 75 ms 30584 KB Output is correct
81 Correct 82 ms 29184 KB Output is correct
82 Correct 81 ms 29184 KB Output is correct
83 Correct 86 ms 30660 KB Output is correct
84 Correct 83 ms 30584 KB Output is correct
85 Correct 83 ms 30400 KB Output is correct
86 Correct 82 ms 30548 KB Output is correct
87 Correct 86 ms 30544 KB Output is correct
88 Correct 86 ms 30656 KB Output is correct
89 Correct 95 ms 30452 KB Output is correct
90 Correct 112 ms 30456 KB Output is correct
91 Correct 83 ms 30548 KB Output is correct
92 Correct 83 ms 27876 KB Output is correct