oj.uz

Submission #961031

# Submission time Handle Problem Language Result Execution time Memory
961031 2024-04-11T12:23:56 Z MarwenElarbi Ancient Books (IOI17_books) C++17
70 / 100
 2000 ms 27876 KB 
#include <bits/stdc++.h>
//#include "books.h"
using namespace std;
long long minimum_walk(std::vector<int> p, int s){
    int n=p.size();
    long long ans=0;
    bool vis[n];
    memset(vis,0,sizeof vis);
    vector<int> l(n),r(n);
    for (int i = 0; i < n; ++i)
    {
        ans+=abs(p[i]-i);
    }
    int en=s;
    int bg=s;
    //cout << ans<<endl;
    for (int i = 0; i < n; ++i)
    {
        int cur=i;
        if(p[cur]!=cur){
            en=max(en,cur);
            bg=min(bg,cur);
        }
        if(vis[cur]) continue;
        int mn=1e6+5;
        int mx=-1;
        vector<int> cycle;
        while(vis[cur]==0){
            cycle.push_back(cur);
            vis[cur]=1;
            mx=max(mx,cur);
            mn=min(mn,cur);
            cur=p[cur];
        }
        for(int u:cycle){
            //cout <<u<<" ";
            l[u]=mn;
            r[u]=mx;
        } 
    }
    //cout <<"nabba"<<endl;
    int curl=s;int ml=l[s];
    int curr=s;int mr=r[s];
    while(curr<en||curl>bg){
        //cout <<curl<<" "<<curr<<endl;
        if(curr<mr){
            curr++;
            mr=max(mr,r[curr]);
            ml=min(ml,l[curr]);
        }else if(curl>ml){
            curl--;
            mr=max(mr,r[curl]);
            ml=min(ml,l[curl]);
        }else{
            //cout <<"hey"<<endl;
            bool ok=0;
            int costl=0;
            int x=mr;
            int cl=mr;
            while(x>bg){
                cl=min(cl,l[x]);
                if(x==cl){
                    costl+=2;
                    cl--;
                }
                x--;
                if(r[x]>mr){
                    ok=true;
                    break;
                }
            }
            x=ml;
            int cr=ml;
            int costr=0;
            while(x<en){
                cr=max(cr,r[x]);
                if(x==cr){
                    cr++;
                    costr+=2;
                }
                x++;
                if(l[x]<ml){
                    ok=true;
                    break;
                }
            }
            if(ok){
                if(costl>costr){
                    mr=cr;
                    ans+=costr;
                }else{
                    ml=cl;
                    ans+=costl;
                }
            }else{
                ans+=costl+costr;
                break;
            }
        }
    }
    return ans;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 1 ms 348 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 1 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 436 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 432 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 1 ms 348 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 1 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 436 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 432 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 500 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 344 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 348 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 1 ms 348 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 1 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 436 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 432 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 500 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 103 ms 27876 KB Output is correct
31 Correct 118 ms 25836 KB Output is correct
32 Correct 96 ms 23776 KB Output is correct
33 Correct 102 ms 23636 KB Output is correct
34 Correct 111 ms 23780 KB Output is correct
35 Correct 125 ms 23644 KB Output is correct
36 Correct 97 ms 23660 KB Output is correct
37 Correct 83 ms 23780 KB Output is correct
38 Correct 82 ms 23796 KB Output is correct
39 Correct 98 ms 23640 KB Output is correct
40 Correct 86 ms 23996 KB Output is correct
41 Correct 106 ms 26684 KB Output is correct
42 Correct 95 ms 25200 KB Output is correct
43 Correct 98 ms 23776 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 604 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 436 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 432 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 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 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 1 ms 348 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 1 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 436 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 432 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 500 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 103 ms 27876 KB Output is correct
31 Correct 118 ms 25836 KB Output is correct
32 Correct 96 ms 23776 KB Output is correct
33 Correct 102 ms 23636 KB Output is correct
34 Correct 111 ms 23780 KB Output is correct
35 Correct 125 ms 23644 KB Output is correct
36 Correct 97 ms 23660 KB Output is correct
37 Correct 83 ms 23780 KB Output is correct
38 Correct 82 ms 23796 KB Output is correct
39 Correct 98 ms 23640 KB Output is correct
40 Correct 86 ms 23996 KB Output is correct
41 Correct 106 ms 26684 KB Output is correct
42 Correct 95 ms 25200 KB Output is correct
43 Correct 98 ms 23776 KB Output is correct
44 Correct 1 ms 344 KB Output is correct
45 Correct 1 ms 604 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 436 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 1 ms 344 KB Output is correct
54 Correct 1 ms 432 KB Output is correct
55 Correct 1 ms 348 KB Output is correct
56 Correct 1 ms 344 KB Output is correct
57 Correct 1 ms 348 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 1 ms 348 KB Output is correct
61 Correct 1 ms 348 KB Output is correct
62 Correct 1 ms 348 KB Output is correct
63 Correct 1 ms 348 KB Output is correct
64 Correct 97 ms 23800 KB Output is correct
65 Correct 107 ms 23560 KB Output is correct
66 Correct 84 ms 23616 KB Output is correct
67 Correct 94 ms 23788 KB Output is correct
68 Correct 9 ms 2652 KB Output is correct
69 Correct 9 ms 2688 KB Output is correct
70 Correct 9 ms 2652 KB Output is correct
71 Correct 10 ms 2940 KB Output is correct
72 Correct 10 ms 2652 KB Output is correct
73 Correct 9 ms 2652 KB Output is correct
74 Correct 104 ms 23792 KB Output is correct
75 Correct 99 ms 23788 KB Output is correct
76 Correct 102 ms 23784 KB Output is correct
77 Correct 117 ms 23784 KB Output is correct
78 Correct 104 ms 23796 KB Output is correct
79 Correct 101 ms 23620 KB Output is correct
80 Correct 90 ms 23636 KB Output is correct
81 Execution timed out 2040 ms 23792 KB Time limit exceeded
82 Halted 0 ms 0 KB -