oj.uz

Submission #1034936

# Submission time Handle Problem Language Result Execution time Memory
1034936 2024-07-25T22:28:32 Z vjudge1 Ancient Books (IOI17_books) C++17
50 / 100
 771 ms 97188 KB 
#include "books.h"
#include<bits/stdc++.h>
using namespace std;
int par[1001000],sz[1001000];
int abp(int n){
    return par[n]?par[n]=abp(par[n]):n;
}
int merge(int a,int b){
    a=abp(a+1);b=abp(b+1);
    if(a-b)par[a]=b,
        sz[b]+=sz[a];
    return a!=b;
}
set<int>notanedge;
map<int,int>mp;
void mergefrom(int l,int r){
    while(notanedge.lower_bound(l)!=notanedge.lower_bound(r)){
        int k=*notanedge.lower_bound(l);
        merge(k,k+1);
        notanedge.erase(k);
        mp[k];mp[k+1];
    }
}
long long minimum_walk(std::vector<int> p, int s) {
    long long ans=0;
    int n=p.size(),K=0;
    for(int i=0;i<n-1;i++)
        notanedge.insert(i);
    for(int i=0;i<n;i++) if(i-p[i])
        ans+=abs(i-p[i]), mergefrom(i,p[i]);
    vector<tuple<int,int,int>>v;
    mp[s];
    for(auto [i,j]:mp){
        auto it=mp.upper_bound(i);
        if(it!=mp.end())
            v.push_back({it->first-i,i,it->first});
    }
    sort(v.begin(),v.end());
    for(auto [w,x,y]:v)
        ans+=w*2*merge(x,y);
    return ans;
}

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:26:20: warning: unused variable 'K' [-Wunused-variable]
   26 |     int n=p.size(),K=0;
      |                    ^

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 1 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 344 KB Output is correct
7 Correct 0 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 0 ms 348 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 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 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 1 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 344 KB Output is correct
7 Correct 0 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 0 ms 348 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 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 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 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 508 KB Output is correct
29 Correct 1 ms 344 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 1 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 344 KB Output is correct
7 Correct 0 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 0 ms 348 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 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 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 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 508 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 683 ms 90444 KB Output is correct
31 Correct 733 ms 97104 KB Output is correct
32 Correct 212 ms 61972 KB Output is correct
33 Correct 494 ms 90472 KB Output is correct
34 Correct 490 ms 90468 KB Output is correct
35 Correct 555 ms 90544 KB Output is correct
36 Correct 593 ms 86204 KB Output is correct
37 Correct 642 ms 82364 KB Output is correct
38 Correct 713 ms 82172 KB Output is correct
39 Correct 769 ms 82104 KB Output is correct
40 Correct 771 ms 82312 KB Output is correct
41 Correct 763 ms 89544 KB Output is correct
42 Correct 756 ms 87560 KB Output is correct
43 Correct 725 ms 97188 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2 Halted 0 ms 0 KB -

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 1 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 344 KB Output is correct
7 Correct 0 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 0 ms 348 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 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 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 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 508 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 683 ms 90444 KB Output is correct
31 Correct 733 ms 97104 KB Output is correct
32 Correct 212 ms 61972 KB Output is correct
33 Correct 494 ms 90472 KB Output is correct
34 Correct 490 ms 90468 KB Output is correct
35 Correct 555 ms 90544 KB Output is correct
36 Correct 593 ms 86204 KB Output is correct
37 Correct 642 ms 82364 KB Output is correct
38 Correct 713 ms 82172 KB Output is correct
39 Correct 769 ms 82104 KB Output is correct
40 Correct 771 ms 82312 KB Output is correct
41 Correct 763 ms 89544 KB Output is correct
42 Correct 756 ms 87560 KB Output is correct
43 Correct 725 ms 97188 KB Output is correct
44 Incorrect 0 ms 348 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45 Halted 0 ms 0 KB -