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Submission #940666

# Submission time Handle Problem Language Result Execution time Memory
940666 2024-03-07T12:53:17 Z phoenix0423 Cat in a tree (BOI17_catinatree) C++17
100 / 100
 35 ms 17232 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pll;
#define fastio ios::sync_with_stdio(false), cin.tie(0)
#define pb push_back
#define eb emplace_back
#define f first
#define s second
#define lowbit(x) x&-x
const int maxn = 2e5 + 5;
vector<int> adj[maxn];
int n, k;
int ans[maxn], d[maxn];

void dfs(int pos){
    ans[pos] = 1;
    for(auto x : adj[pos]){
        dfs(x);
        ans[pos] += ans[x];
        if(d[x] + d[pos] + 1 < k) ans[pos] --, d[pos] = max(d[pos], d[x] + 1);
        else d[pos] = min(d[pos], d[x] + 1);
    }
}

signed main(void){
    fastio;
    cin>>n>>k;
    for(int i = 1; i < n; i++){
        int x;
        cin>>x;
        adj[x].pb(i);
    }
    dfs(0);
    cout<<ans[0]<<"\n";
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6492 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 2 ms 6492 KB Output is correct
4 Correct 2 ms 6492 KB Output is correct
5 Correct 2 ms 6492 KB Output is correct
6 Correct 2 ms 6540 KB Output is correct
7 Correct 2 ms 6492 KB Output is correct
8 Correct 2 ms 6492 KB Output is correct
9 Correct 2 ms 6492 KB Output is correct
10 Correct 2 ms 6492 KB Output is correct
11 Correct 2 ms 6492 KB Output is correct
12 Correct 2 ms 6492 KB Output is correct
13 Correct 2 ms 6492 KB Output is correct
14 Correct 2 ms 6488 KB Output is correct
15 Correct 2 ms 6492 KB Output is correct
16 Correct 2 ms 6492 KB Output is correct
17 Correct 2 ms 6488 KB Output is correct
18 Correct 2 ms 6492 KB Output is correct
19 Correct 2 ms 6492 KB Output is correct
20 Correct 2 ms 6492 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6492 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 2 ms 6492 KB Output is correct
4 Correct 2 ms 6492 KB Output is correct
5 Correct 2 ms 6492 KB Output is correct
6 Correct 2 ms 6540 KB Output is correct
7 Correct 2 ms 6492 KB Output is correct
8 Correct 2 ms 6492 KB Output is correct
9 Correct 2 ms 6492 KB Output is correct
10 Correct 2 ms 6492 KB Output is correct
11 Correct 2 ms 6492 KB Output is correct
12 Correct 2 ms 6492 KB Output is correct
13 Correct 2 ms 6492 KB Output is correct
14 Correct 2 ms 6488 KB Output is correct
15 Correct 2 ms 6492 KB Output is correct
16 Correct 2 ms 6492 KB Output is correct
17 Correct 2 ms 6488 KB Output is correct
18 Correct 2 ms 6492 KB Output is correct
19 Correct 2 ms 6492 KB Output is correct
20 Correct 2 ms 6492 KB Output is correct
21 Correct 2 ms 6548 KB Output is correct
22 Correct 2 ms 6540 KB Output is correct
23 Correct 2 ms 6492 KB Output is correct
24 Correct 2 ms 6492 KB Output is correct
25 Correct 2 ms 6540 KB Output is correct
26 Correct 2 ms 6488 KB Output is correct
27 Correct 2 ms 6492 KB Output is correct
28 Correct 2 ms 6492 KB Output is correct
29 Correct 2 ms 6492 KB Output is correct
30 Correct 2 ms 6492 KB Output is correct
31 Correct 2 ms 6492 KB Output is correct
32 Correct 2 ms 6492 KB Output is correct
33 Correct 2 ms 6492 KB Output is correct
34 Correct 2 ms 6492 KB Output is correct
35 Correct 2 ms 6488 KB Output is correct
36 Correct 2 ms 6492 KB Output is correct
37 Correct 2 ms 6492 KB Output is correct
38 Correct 2 ms 6744 KB Output is correct
39 Correct 2 ms 6492 KB Output is correct
40 Correct 2 ms 6544 KB Output is correct

Subtask #3
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6492 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 2 ms 6492 KB Output is correct
4 Correct 2 ms 6492 KB Output is correct
5 Correct 2 ms 6492 KB Output is correct
6 Correct 2 ms 6540 KB Output is correct
7 Correct 2 ms 6492 KB Output is correct
8 Correct 2 ms 6492 KB Output is correct
9 Correct 2 ms 6492 KB Output is correct
10 Correct 2 ms 6492 KB Output is correct
11 Correct 2 ms 6492 KB Output is correct
12 Correct 2 ms 6492 KB Output is correct
13 Correct 2 ms 6492 KB Output is correct
14 Correct 2 ms 6488 KB Output is correct
15 Correct 2 ms 6492 KB Output is correct
16 Correct 2 ms 6492 KB Output is correct
17 Correct 2 ms 6488 KB Output is correct
18 Correct 2 ms 6492 KB Output is correct
19 Correct 2 ms 6492 KB Output is correct
20 Correct 2 ms 6492 KB Output is correct
21 Correct 2 ms 6548 KB Output is correct
22 Correct 2 ms 6540 KB Output is correct
23 Correct 2 ms 6492 KB Output is correct
24 Correct 2 ms 6492 KB Output is correct
25 Correct 2 ms 6540 KB Output is correct
26 Correct 2 ms 6488 KB Output is correct
27 Correct 2 ms 6492 KB Output is correct
28 Correct 2 ms 6492 KB Output is correct
29 Correct 2 ms 6492 KB Output is correct
30 Correct 2 ms 6492 KB Output is correct
31 Correct 2 ms 6492 KB Output is correct
32 Correct 2 ms 6492 KB Output is correct
33 Correct 2 ms 6492 KB Output is correct
34 Correct 2 ms 6492 KB Output is correct
35 Correct 2 ms 6488 KB Output is correct
36 Correct 2 ms 6492 KB Output is correct
37 Correct 2 ms 6492 KB Output is correct
38 Correct 2 ms 6744 KB Output is correct
39 Correct 2 ms 6492 KB Output is correct
40 Correct 2 ms 6544 KB Output is correct
41 Correct 23 ms 11480 KB Output is correct
42 Correct 14 ms 8764 KB Output is correct
43 Correct 20 ms 8796 KB Output is correct
44 Correct 15 ms 8792 KB Output is correct
45 Correct 19 ms 8856 KB Output is correct
46 Correct 33 ms 10976 KB Output is correct
47 Correct 34 ms 11100 KB Output is correct
48 Correct 31 ms 11088 KB Output is correct
49 Correct 32 ms 11100 KB Output is correct
50 Correct 8 ms 7516 KB Output is correct
51 Correct 9 ms 7516 KB Output is correct
52 Correct 10 ms 7468 KB Output is correct
53 Correct 15 ms 8284 KB Output is correct
54 Correct 22 ms 8284 KB Output is correct
55 Correct 16 ms 8284 KB Output is correct
56 Correct 2 ms 6544 KB Output is correct
57 Correct 5 ms 8540 KB Output is correct
58 Correct 20 ms 15700 KB Output is correct
59 Correct 33 ms 17232 KB Output is correct
60 Correct 24 ms 11988 KB Output is correct
61 Correct 35 ms 11620 KB Output is correct