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Submission #964050

# Submission time Handle Problem Language Result Execution time Memory
964050 2024-04-16T08:57:46 Z ezzzay Cat in a tree (BOI17_catinatree) C++14
100 / 100
 93 ms 24764 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define ff first
#define ss second
#define pb push_back
const int N=2e5+5;
vector<int>v[N];
int dp[N];
int dst[N];
bool vis[N];

int n,d;
void dfs(int a){
    vis[a]=1;
    int mx=1e9,cnt=0;
    for(auto b:v[a]){
        if(vis[b])continue;
        dfs(b);
        if(mx+dst[b]>=d){
            cnt+=dp[b];
            mx=min(mx,dst[b]);
        }
        else{
            cnt+=dp[b]-1;
            mx=max(mx,dst[b]);
        }
    }
    if(mx>=d){
        dst[a]=1;
        dp[a]=cnt+1;
    }
    else{
        dst[a]=mx+1;
        dp[a]=cnt;
    }
}
signed main(){
    cin>>n>>d;
    for(int i=1;i<n;i++){
        int a;
        cin>>a;
        v[a].pb(i);
        v[i].pb(a);
    }
    dfs(0);
    cout<<dp[0];
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 8280 KB Output is correct
2 Correct 2 ms 8284 KB Output is correct
3 Correct 2 ms 8284 KB Output is correct
4 Correct 2 ms 8284 KB Output is correct
5 Correct 3 ms 8024 KB Output is correct
6 Correct 2 ms 8284 KB Output is correct
7 Correct 2 ms 8284 KB Output is correct
8 Correct 2 ms 8284 KB Output is correct
9 Correct 3 ms 8284 KB Output is correct
10 Correct 2 ms 8028 KB Output is correct
11 Correct 2 ms 8284 KB Output is correct
12 Correct 2 ms 8028 KB Output is correct
13 Correct 2 ms 8028 KB Output is correct
14 Correct 2 ms 8276 KB Output is correct
15 Correct 2 ms 8284 KB Output is correct
16 Correct 2 ms 8028 KB Output is correct
17 Correct 2 ms 8276 KB Output is correct
18 Correct 2 ms 8284 KB Output is correct
19 Correct 2 ms 8276 KB Output is correct
20 Correct 2 ms 8028 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 8280 KB Output is correct
2 Correct 2 ms 8284 KB Output is correct
3 Correct 2 ms 8284 KB Output is correct
4 Correct 2 ms 8284 KB Output is correct
5 Correct 3 ms 8024 KB Output is correct
6 Correct 2 ms 8284 KB Output is correct
7 Correct 2 ms 8284 KB Output is correct
8 Correct 2 ms 8284 KB Output is correct
9 Correct 3 ms 8284 KB Output is correct
10 Correct 2 ms 8028 KB Output is correct
11 Correct 2 ms 8284 KB Output is correct
12 Correct 2 ms 8028 KB Output is correct
13 Correct 2 ms 8028 KB Output is correct
14 Correct 2 ms 8276 KB Output is correct
15 Correct 2 ms 8284 KB Output is correct
16 Correct 2 ms 8028 KB Output is correct
17 Correct 2 ms 8276 KB Output is correct
18 Correct 2 ms 8284 KB Output is correct
19 Correct 2 ms 8276 KB Output is correct
20 Correct 2 ms 8028 KB Output is correct
21 Correct 3 ms 8280 KB Output is correct
22 Correct 2 ms 8192 KB Output is correct
23 Correct 2 ms 8284 KB Output is correct
24 Correct 2 ms 8280 KB Output is correct
25 Correct 2 ms 8284 KB Output is correct
26 Correct 2 ms 8284 KB Output is correct
27 Correct 3 ms 8284 KB Output is correct
28 Correct 2 ms 8284 KB Output is correct
29 Correct 3 ms 8284 KB Output is correct
30 Correct 2 ms 8284 KB Output is correct
31 Correct 2 ms 8280 KB Output is correct
32 Correct 3 ms 8284 KB Output is correct
33 Correct 2 ms 8280 KB Output is correct
34 Correct 2 ms 8284 KB Output is correct
35 Correct 2 ms 8296 KB Output is correct
36 Correct 3 ms 8284 KB Output is correct
37 Correct 3 ms 8280 KB Output is correct
38 Correct 2 ms 8284 KB Output is correct
39 Correct 3 ms 8300 KB Output is correct
40 Correct 2 ms 8280 KB Output is correct

Subtask #3
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 8280 KB Output is correct
2 Correct 2 ms 8284 KB Output is correct
3 Correct 2 ms 8284 KB Output is correct
4 Correct 2 ms 8284 KB Output is correct
5 Correct 3 ms 8024 KB Output is correct
6 Correct 2 ms 8284 KB Output is correct
7 Correct 2 ms 8284 KB Output is correct
8 Correct 2 ms 8284 KB Output is correct
9 Correct 3 ms 8284 KB Output is correct
10 Correct 2 ms 8028 KB Output is correct
11 Correct 2 ms 8284 KB Output is correct
12 Correct 2 ms 8028 KB Output is correct
13 Correct 2 ms 8028 KB Output is correct
14 Correct 2 ms 8276 KB Output is correct
15 Correct 2 ms 8284 KB Output is correct
16 Correct 2 ms 8028 KB Output is correct
17 Correct 2 ms 8276 KB Output is correct
18 Correct 2 ms 8284 KB Output is correct
19 Correct 2 ms 8276 KB Output is correct
20 Correct 2 ms 8028 KB Output is correct
21 Correct 3 ms 8280 KB Output is correct
22 Correct 2 ms 8192 KB Output is correct
23 Correct 2 ms 8284 KB Output is correct
24 Correct 2 ms 8280 KB Output is correct
25 Correct 2 ms 8284 KB Output is correct
26 Correct 2 ms 8284 KB Output is correct
27 Correct 3 ms 8284 KB Output is correct
28 Correct 2 ms 8284 KB Output is correct
29 Correct 3 ms 8284 KB Output is correct
30 Correct 2 ms 8284 KB Output is correct
31 Correct 2 ms 8280 KB Output is correct
32 Correct 3 ms 8284 KB Output is correct
33 Correct 2 ms 8280 KB Output is correct
34 Correct 2 ms 8284 KB Output is correct
35 Correct 2 ms 8296 KB Output is correct
36 Correct 3 ms 8284 KB Output is correct
37 Correct 3 ms 8280 KB Output is correct
38 Correct 2 ms 8284 KB Output is correct
39 Correct 3 ms 8300 KB Output is correct
40 Correct 2 ms 8280 KB Output is correct
41 Correct 60 ms 15928 KB Output is correct
42 Correct 33 ms 12628 KB Output is correct
43 Correct 33 ms 12628 KB Output is correct
44 Correct 39 ms 12624 KB Output is correct
45 Correct 33 ms 12480 KB Output is correct
46 Correct 72 ms 16956 KB Output is correct
47 Correct 84 ms 17072 KB Output is correct
48 Correct 93 ms 17076 KB Output is correct
49 Correct 81 ms 16912 KB Output is correct
50 Correct 25 ms 12884 KB Output is correct
51 Correct 24 ms 12892 KB Output is correct
52 Correct 24 ms 12884 KB Output is correct
53 Correct 53 ms 17516 KB Output is correct
54 Correct 63 ms 17432 KB Output is correct
55 Correct 53 ms 17492 KB Output is correct
56 Correct 3 ms 8280 KB Output is correct
57 Correct 12 ms 10840 KB Output is correct
58 Correct 36 ms 19036 KB Output is correct
59 Correct 76 ms 24764 KB Output is correct
60 Correct 58 ms 16176 KB Output is correct
61 Correct 72 ms 16128 KB Output is correct