# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
739417 | 2023-05-10T12:28:33 Z | nguyentunglam | Cat in a tree (BOI17_catinatree) | C++17 | 83 ms | 23360 KB |
#include<bits/stdc++.h> #define fi first #define se second #define endl "\n" #define ii pair<int, int> using namespace std; const int N = 2e5 + 10; int f[N], g[N]; vector<int> adj[N]; int n, d; void dfs(int u) { f[u] = d; vector<int> lst; for(int &v : adj[u]) { dfs(v); lst.push_back(f[v] + 1); g[u] += g[v]; } sort(lst.begin(), lst.end(), greater<int>()); int cnt = 0; for(int &j : lst) if (j + f[u] >= d) { f[u] = j; cnt++; } g[u] -= adj[u].size() - cnt; if (f[u] == d) g[u]++, f[u] = 0; } int main() { #define task "" cin.tie(0) -> sync_with_stdio(0); if (fopen ("task.inp", "r")) { freopen ("task.inp", "r", stdin); freopen ("task.out", "w", stdout); } if (fopen (task".inp", "r")) { freopen (task".inp", "r", stdin); freopen (task".out", "w", stdout); } cin >> n >> d; for(int i = 1; i < n; i++) { int x; cin >> x; adj[x].push_back(i); } dfs(0); cout << g[0]; }
Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 3 ms | 4948 KB | Output is correct |
2 | Correct | 3 ms | 4948 KB | Output is correct |
3 | Correct | 3 ms | 5028 KB | Output is correct |
4 | Correct | 4 ms | 5024 KB | Output is correct |
5 | Correct | 3 ms | 5028 KB | Output is correct |
6 | Correct | 3 ms | 4948 KB | Output is correct |
7 | Correct | 4 ms | 4948 KB | Output is correct |
8 | Correct | 3 ms | 4948 KB | Output is correct |
9 | Correct | 3 ms | 4948 KB | Output is correct |
10 | Correct | 3 ms | 4948 KB | Output is correct |
11 | Correct | 3 ms | 4948 KB | Output is correct |
12 | Correct | 3 ms | 5032 KB | Output is correct |
13 | Correct | 4 ms | 5032 KB | Output is correct |
14 | Correct | 3 ms | 4948 KB | Output is correct |
15 | Correct | 3 ms | 5032 KB | Output is correct |
16 | Correct | 2 ms | 4948 KB | Output is correct |
17 | Correct | 3 ms | 4948 KB | Output is correct |
18 | Correct | 3 ms | 4948 KB | Output is correct |
19 | Correct | 3 ms | 5028 KB | Output is correct |
20 | Correct | 3 ms | 5028 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 3 ms | 4948 KB | Output is correct |
2 | Correct | 3 ms | 4948 KB | Output is correct |
3 | Correct | 3 ms | 5028 KB | Output is correct |
4 | Correct | 4 ms | 5024 KB | Output is correct |
5 | Correct | 3 ms | 5028 KB | Output is correct |
6 | Correct | 3 ms | 4948 KB | Output is correct |
7 | Correct | 4 ms | 4948 KB | Output is correct |
8 | Correct | 3 ms | 4948 KB | Output is correct |
9 | Correct | 3 ms | 4948 KB | Output is correct |
10 | Correct | 3 ms | 4948 KB | Output is correct |
11 | Correct | 3 ms | 4948 KB | Output is correct |
12 | Correct | 3 ms | 5032 KB | Output is correct |
13 | Correct | 4 ms | 5032 KB | Output is correct |
14 | Correct | 3 ms | 4948 KB | Output is correct |
15 | Correct | 3 ms | 5032 KB | Output is correct |
16 | Correct | 2 ms | 4948 KB | Output is correct |
17 | Correct | 3 ms | 4948 KB | Output is correct |
18 | Correct | 3 ms | 4948 KB | Output is correct |
19 | Correct | 3 ms | 5028 KB | Output is correct |
20 | Correct | 3 ms | 5028 KB | Output is correct |
21 | Correct | 4 ms | 5204 KB | Output is correct |
22 | Correct | 3 ms | 4948 KB | Output is correct |
23 | Correct | 3 ms | 5032 KB | Output is correct |
24 | Correct | 3 ms | 4948 KB | Output is correct |
25 | Correct | 3 ms | 4956 KB | Output is correct |
26 | Correct | 3 ms | 5036 KB | Output is correct |
27 | Correct | 3 ms | 4948 KB | Output is correct |
28 | Correct | 3 ms | 5076 KB | Output is correct |
29 | Correct | 3 ms | 5076 KB | Output is correct |
30 | Correct | 3 ms | 5040 KB | Output is correct |
31 | Correct | 3 ms | 5076 KB | Output is correct |
32 | Correct | 3 ms | 5076 KB | Output is correct |
33 | Correct | 4 ms | 4948 KB | Output is correct |
34 | Correct | 3 ms | 5028 KB | Output is correct |
35 | Correct | 3 ms | 4948 KB | Output is correct |
36 | Correct | 3 ms | 5032 KB | Output is correct |
37 | Correct | 3 ms | 5076 KB | Output is correct |
38 | Correct | 3 ms | 5076 KB | Output is correct |
39 | Correct | 5 ms | 5060 KB | Output is correct |
40 | Correct | 3 ms | 5204 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 3 ms | 4948 KB | Output is correct |
2 | Correct | 3 ms | 4948 KB | Output is correct |
3 | Correct | 3 ms | 5028 KB | Output is correct |
4 | Correct | 4 ms | 5024 KB | Output is correct |
5 | Correct | 3 ms | 5028 KB | Output is correct |
6 | Correct | 3 ms | 4948 KB | Output is correct |
7 | Correct | 4 ms | 4948 KB | Output is correct |
8 | Correct | 3 ms | 4948 KB | Output is correct |
9 | Correct | 3 ms | 4948 KB | Output is correct |
10 | Correct | 3 ms | 4948 KB | Output is correct |
11 | Correct | 3 ms | 4948 KB | Output is correct |
12 | Correct | 3 ms | 5032 KB | Output is correct |
13 | Correct | 4 ms | 5032 KB | Output is correct |
14 | Correct | 3 ms | 4948 KB | Output is correct |
15 | Correct | 3 ms | 5032 KB | Output is correct |
16 | Correct | 2 ms | 4948 KB | Output is correct |
17 | Correct | 3 ms | 4948 KB | Output is correct |
18 | Correct | 3 ms | 4948 KB | Output is correct |
19 | Correct | 3 ms | 5028 KB | Output is correct |
20 | Correct | 3 ms | 5028 KB | Output is correct |
21 | Correct | 4 ms | 5204 KB | Output is correct |
22 | Correct | 3 ms | 4948 KB | Output is correct |
23 | Correct | 3 ms | 5032 KB | Output is correct |
24 | Correct | 3 ms | 4948 KB | Output is correct |
25 | Correct | 3 ms | 4956 KB | Output is correct |
26 | Correct | 3 ms | 5036 KB | Output is correct |
27 | Correct | 3 ms | 4948 KB | Output is correct |
28 | Correct | 3 ms | 5076 KB | Output is correct |
29 | Correct | 3 ms | 5076 KB | Output is correct |
30 | Correct | 3 ms | 5040 KB | Output is correct |
31 | Correct | 3 ms | 5076 KB | Output is correct |
32 | Correct | 3 ms | 5076 KB | Output is correct |
33 | Correct | 4 ms | 4948 KB | Output is correct |
34 | Correct | 3 ms | 5028 KB | Output is correct |
35 | Correct | 3 ms | 4948 KB | Output is correct |
36 | Correct | 3 ms | 5032 KB | Output is correct |
37 | Correct | 3 ms | 5076 KB | Output is correct |
38 | Correct | 3 ms | 5076 KB | Output is correct |
39 | Correct | 5 ms | 5060 KB | Output is correct |
40 | Correct | 3 ms | 5204 KB | Output is correct |
41 | Correct | 37 ms | 11632 KB | Output is correct |
42 | Correct | 25 ms | 7912 KB | Output is correct |
43 | Correct | 29 ms | 7860 KB | Output is correct |
44 | Correct | 30 ms | 7912 KB | Output is correct |
45 | Correct | 31 ms | 7880 KB | Output is correct |
46 | Correct | 83 ms | 10940 KB | Output is correct |
47 | Correct | 74 ms | 10956 KB | Output is correct |
48 | Correct | 74 ms | 10936 KB | Output is correct |
49 | Correct | 75 ms | 10948 KB | Output is correct |
50 | Correct | 13 ms | 6704 KB | Output is correct |
51 | Correct | 14 ms | 6704 KB | Output is correct |
52 | Correct | 15 ms | 6740 KB | Output is correct |
53 | Correct | 27 ms | 8440 KB | Output is correct |
54 | Correct | 26 ms | 8452 KB | Output is correct |
55 | Correct | 24 ms | 8472 KB | Output is correct |
56 | Correct | 3 ms | 5204 KB | Output is correct |
57 | Correct | 7 ms | 8404 KB | Output is correct |
58 | Correct | 28 ms | 20340 KB | Output is correct |
59 | Correct | 55 ms | 23360 KB | Output is correct |
60 | Correct | 41 ms | 12128 KB | Output is correct |
61 | Correct | 55 ms | 11500 KB | Output is correct |