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Submission #924883

# Submission time Handle Problem Language Result Execution time Memory
924883 2024-02-10T02:39:22 Z Muhammad_Aneeq Cat in a tree (BOI17_catinatree) C++17
100 / 100
 186 ms 103616 KB 
/*
بسم الله الرحمن الرحيم
Author:
                          (:Muhammad Aneeq:)
*/

#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
using namespace std;
int const N=2e5+10;
int const f=sqrt(N)+2;
vector<int>nei[N]={};
int h[N]={};
bool vis[N]={},vis1[N][f];
void dfs(int n,int dis,int pa=-1)
{
    if (dis==0)
        return ;   
    vis[n]=1;
    if (dis<f)
        vis1[n][dis]=1;
    for (auto i:nei[n])
    {
        if ((dis<f&&vis1[i][dis-1])||i==pa)
            continue;
        dfs(i,dis-1,n);
    }
}
inline void solve()
{
    int n,d;
    cin>>n>>d;
    h[0]=0;
    vector<pair<int,int>>d1={{0,0}};
    for (int i=0;i<n-1;i++)
    {
        int x;
        cin>>x;
        nei[i+1].push_back(x);
        nei[x].push_back(i+1);
        h[i+1]=h[x]+1;
        d1.push_back({h[i+1],i+1});
    }
    sort(begin(d1),end(d1));
    reverse(begin(d1),end(d1));
    int ans=0;
    for (auto i:d1)
    {
        if (!vis[i.second])
        {
            dfs(i.second,d);
            ans++;
        }
    }
    cout<<ans<<endl;
}   
int main()
{
    ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
        solve();
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 7512 KB Output is correct
2 Correct 2 ms 7516 KB Output is correct
3 Correct 2 ms 7516 KB Output is correct
4 Correct 2 ms 7516 KB Output is correct
5 Correct 2 ms 7516 KB Output is correct
6 Correct 2 ms 7516 KB Output is correct
7 Correct 2 ms 7516 KB Output is correct
8 Correct 2 ms 7516 KB Output is correct
9 Correct 2 ms 7516 KB Output is correct
10 Correct 2 ms 7516 KB Output is correct
11 Correct 2 ms 7516 KB Output is correct
12 Correct 2 ms 7636 KB Output is correct
13 Correct 2 ms 7512 KB Output is correct
14 Correct 2 ms 7768 KB Output is correct
15 Correct 2 ms 7512 KB Output is correct
16 Correct 2 ms 7512 KB Output is correct
17 Correct 2 ms 7516 KB Output is correct
18 Correct 2 ms 7632 KB Output is correct
19 Correct 2 ms 7516 KB Output is correct
20 Correct 2 ms 7512 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 7512 KB Output is correct
2 Correct 2 ms 7516 KB Output is correct
3 Correct 2 ms 7516 KB Output is correct
4 Correct 2 ms 7516 KB Output is correct
5 Correct 2 ms 7516 KB Output is correct
6 Correct 2 ms 7516 KB Output is correct
7 Correct 2 ms 7516 KB Output is correct
8 Correct 2 ms 7516 KB Output is correct
9 Correct 2 ms 7516 KB Output is correct
10 Correct 2 ms 7516 KB Output is correct
11 Correct 2 ms 7516 KB Output is correct
12 Correct 2 ms 7636 KB Output is correct
13 Correct 2 ms 7512 KB Output is correct
14 Correct 2 ms 7768 KB Output is correct
15 Correct 2 ms 7512 KB Output is correct
16 Correct 2 ms 7512 KB Output is correct
17 Correct 2 ms 7516 KB Output is correct
18 Correct 2 ms 7632 KB Output is correct
19 Correct 2 ms 7516 KB Output is correct
20 Correct 2 ms 7512 KB Output is correct
21 Correct 3 ms 9688 KB Output is correct
22 Correct 2 ms 9816 KB Output is correct
23 Correct 2 ms 9820 KB Output is correct
24 Correct 2 ms 9820 KB Output is correct
25 Correct 3 ms 9820 KB Output is correct
26 Correct 2 ms 9820 KB Output is correct
27 Correct 2 ms 9820 KB Output is correct
28 Correct 2 ms 9820 KB Output is correct
29 Correct 2 ms 9820 KB Output is correct
30 Correct 2 ms 9820 KB Output is correct
31 Correct 2 ms 9820 KB Output is correct
32 Correct 3 ms 9940 KB Output is correct
33 Correct 2 ms 9820 KB Output is correct
34 Correct 2 ms 9820 KB Output is correct
35 Correct 2 ms 9824 KB Output is correct
36 Correct 3 ms 9824 KB Output is correct
37 Correct 2 ms 9820 KB Output is correct
38 Correct 2 ms 9824 KB Output is correct
39 Correct 3 ms 9824 KB Output is correct
40 Correct 3 ms 9820 KB Output is correct

Subtask #3
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 7512 KB Output is correct
2 Correct 2 ms 7516 KB Output is correct
3 Correct 2 ms 7516 KB Output is correct
4 Correct 2 ms 7516 KB Output is correct
5 Correct 2 ms 7516 KB Output is correct
6 Correct 2 ms 7516 KB Output is correct
7 Correct 2 ms 7516 KB Output is correct
8 Correct 2 ms 7516 KB Output is correct
9 Correct 2 ms 7516 KB Output is correct
10 Correct 2 ms 7516 KB Output is correct
11 Correct 2 ms 7516 KB Output is correct
12 Correct 2 ms 7636 KB Output is correct
13 Correct 2 ms 7512 KB Output is correct
14 Correct 2 ms 7768 KB Output is correct
15 Correct 2 ms 7512 KB Output is correct
16 Correct 2 ms 7512 KB Output is correct
17 Correct 2 ms 7516 KB Output is correct
18 Correct 2 ms 7632 KB Output is correct
19 Correct 2 ms 7516 KB Output is correct
20 Correct 2 ms 7512 KB Output is correct
21 Correct 3 ms 9688 KB Output is correct
22 Correct 2 ms 9816 KB Output is correct
23 Correct 2 ms 9820 KB Output is correct
24 Correct 2 ms 9820 KB Output is correct
25 Correct 3 ms 9820 KB Output is correct
26 Correct 2 ms 9820 KB Output is correct
27 Correct 2 ms 9820 KB Output is correct
28 Correct 2 ms 9820 KB Output is correct
29 Correct 2 ms 9820 KB Output is correct
30 Correct 2 ms 9820 KB Output is correct
31 Correct 2 ms 9820 KB Output is correct
32 Correct 3 ms 9940 KB Output is correct
33 Correct 2 ms 9820 KB Output is correct
34 Correct 2 ms 9820 KB Output is correct
35 Correct 2 ms 9824 KB Output is correct
36 Correct 3 ms 9824 KB Output is correct
37 Correct 2 ms 9820 KB Output is correct
38 Correct 2 ms 9824 KB Output is correct
39 Correct 3 ms 9824 KB Output is correct
40 Correct 3 ms 9820 KB Output is correct
41 Correct 106 ms 100552 KB Output is correct
42 Correct 51 ms 57368 KB Output is correct
43 Correct 63 ms 56156 KB Output is correct
44 Correct 52 ms 56004 KB Output is correct
45 Correct 57 ms 56008 KB Output is correct
46 Correct 106 ms 103104 KB Output is correct
47 Correct 186 ms 103052 KB Output is correct
48 Correct 121 ms 103124 KB Output is correct
49 Correct 110 ms 103100 KB Output is correct
50 Correct 47 ms 57592 KB Output is correct
51 Correct 49 ms 57544 KB Output is correct
52 Correct 53 ms 57796 KB Output is correct
53 Correct 96 ms 103616 KB Output is correct
54 Correct 111 ms 103424 KB Output is correct
55 Correct 121 ms 103496 KB Output is correct
56 Correct 3 ms 9816 KB Output is correct
57 Correct 7 ms 16856 KB Output is correct
58 Correct 33 ms 36296 KB Output is correct
59 Correct 88 ms 66912 KB Output is correct
60 Correct 107 ms 102992 KB Output is correct
61 Correct 136 ms 100464 KB Output is correct