oj.uz

Submission #892977

# Submission time Handle Problem Language Result Execution time Memory
892977 2023-12-26T09:31:57 Z abcvuitunggio Ancient Books (IOI17_books) C++17
50 / 100
 116 ms 23896 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;
        while (L>lo||R<hi){
            d+=2;
            L=max(L-1,lo);
            R=min(R+1,hi);
            int newL=g[L],newR=r[g[R]],ch=0;
            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++;
            ch=0;
            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--;
        }
    }
    return d;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2392 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 2392 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 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 0 ms 2396 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 0 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 0 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2392 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 2392 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 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 0 ms 2396 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 0 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
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

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2392 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 2392 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 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 0 ms 2396 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 0 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
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 106 ms 19964 KB Output is correct
31 Correct 116 ms 19960 KB Output is correct
32 Correct 76 ms 23808 KB Output is correct
33 Correct 83 ms 23888 KB Output is correct
34 Correct 86 ms 23808 KB Output is correct
35 Correct 89 ms 23892 KB Output is correct
36 Correct 83 ms 23892 KB Output is correct
37 Correct 78 ms 23888 KB Output is correct
38 Correct 78 ms 23308 KB Output is correct
39 Correct 78 ms 22868 KB Output is correct
40 Correct 89 ms 20988 KB Output is correct
41 Correct 88 ms 20052 KB Output is correct
42 Correct 86 ms 20216 KB Output is correct
43 Correct 81 ms 23896 KB Output is correct

Subtask #4
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 2496 KB Output is correct
4 Incorrect 1 ms 2392 KB 3rd lines differ - on the 1st token, expected: '2094', found: '1592'
5 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2392 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 2392 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 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 0 ms 2396 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 0 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
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 106 ms 19964 KB Output is correct
31 Correct 116 ms 19960 KB Output is correct
32 Correct 76 ms 23808 KB Output is correct
33 Correct 83 ms 23888 KB Output is correct
34 Correct 86 ms 23808 KB Output is correct
35 Correct 89 ms 23892 KB Output is correct
36 Correct 83 ms 23892 KB Output is correct
37 Correct 78 ms 23888 KB Output is correct
38 Correct 78 ms 23308 KB Output is correct
39 Correct 78 ms 22868 KB Output is correct
40 Correct 89 ms 20988 KB Output is correct
41 Correct 88 ms 20052 KB Output is correct
42 Correct 86 ms 20216 KB Output is correct
43 Correct 81 ms 23896 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 2496 KB Output is correct
47 Incorrect 1 ms 2392 KB 3rd lines differ - on the 1st token, expected: '2094', found: '1592'
48 Halted 0 ms 0 KB -