# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
463920 | 2021-08-12T02:49:57 Z | blue | Cat in a tree (BOI17_catinatree) | C++17 | 183 ms | 93880 KB |
#include <iostream> #include <deque> #include <vector> using namespace std; const int maxN = 200'000; int N, D; vector<int> children[maxN]; deque<int> dfs(int u) { deque<int> res(1, 1); for(int v: children[u]) { deque<int> add = dfs(v); add.push_front(add.front()); if(res.size() < add.size()) swap(res, add); for(int i = 0; i < add.size(); i++) { int opt1 = add[i] + (D - i < res.size() ? res[max(D-i, i)] : 0); int opt2 = res[i] + (D - i < add.size() ? add[max(D-i, i)] : 0); res[i] = max(res[i], max(opt1, opt2)); } for(int i = add.size(); i >= 0; i--) { if(i + 1 < res.size()) res[i] = max(res[i], res[i+1]); } } return res; } int main() { cin >> N >> D; for(int i = 1; i < N; i++) { int x; cin >> x; children[x].push_back(i); } deque<int> R = dfs(0); int res = 0; for(int r: R) res = max(res, r); cout << res << '\n'; }
Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 4 ms | 4940 KB | Output is correct |
2 | Correct | 3 ms | 4988 KB | Output is correct |
3 | Correct | 3 ms | 4940 KB | Output is correct |
4 | Correct | 3 ms | 4940 KB | Output is correct |
5 | Correct | 3 ms | 4940 KB | Output is correct |
6 | Correct | 3 ms | 4940 KB | Output is correct |
7 | Correct | 3 ms | 4992 KB | Output is correct |
8 | Correct | 3 ms | 4940 KB | Output is correct |
9 | Correct | 3 ms | 4940 KB | Output is correct |
10 | Correct | 3 ms | 4940 KB | Output is correct |
11 | Correct | 3 ms | 4940 KB | Output is correct |
12 | Correct | 3 ms | 4940 KB | Output is correct |
13 | Correct | 3 ms | 4940 KB | Output is correct |
14 | Correct | 3 ms | 4988 KB | Output is correct |
15 | Correct | 3 ms | 4940 KB | Output is correct |
16 | Correct | 3 ms | 4940 KB | Output is correct |
17 | Correct | 4 ms | 4940 KB | Output is correct |
18 | Correct | 3 ms | 4940 KB | Output is correct |
19 | Correct | 4 ms | 4940 KB | Output is correct |
20 | Correct | 3 ms | 4940 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 4 ms | 4940 KB | Output is correct |
2 | Correct | 3 ms | 4988 KB | Output is correct |
3 | Correct | 3 ms | 4940 KB | Output is correct |
4 | Correct | 3 ms | 4940 KB | Output is correct |
5 | Correct | 3 ms | 4940 KB | Output is correct |
6 | Correct | 3 ms | 4940 KB | Output is correct |
7 | Correct | 3 ms | 4992 KB | Output is correct |
8 | Correct | 3 ms | 4940 KB | Output is correct |
9 | Correct | 3 ms | 4940 KB | Output is correct |
10 | Correct | 3 ms | 4940 KB | Output is correct |
11 | Correct | 3 ms | 4940 KB | Output is correct |
12 | Correct | 3 ms | 4940 KB | Output is correct |
13 | Correct | 3 ms | 4940 KB | Output is correct |
14 | Correct | 3 ms | 4988 KB | Output is correct |
15 | Correct | 3 ms | 4940 KB | Output is correct |
16 | Correct | 3 ms | 4940 KB | Output is correct |
17 | Correct | 4 ms | 4940 KB | Output is correct |
18 | Correct | 3 ms | 4940 KB | Output is correct |
19 | Correct | 4 ms | 4940 KB | Output is correct |
20 | Correct | 3 ms | 4940 KB | Output is correct |
21 | Correct | 5 ms | 6220 KB | Output is correct |
22 | Correct | 3 ms | 4940 KB | Output is correct |
23 | Correct | 3 ms | 4940 KB | Output is correct |
24 | Correct | 3 ms | 4940 KB | Output is correct |
25 | Correct | 4 ms | 4940 KB | Output is correct |
26 | Correct | 4 ms | 4940 KB | Output is correct |
27 | Correct | 4 ms | 4940 KB | Output is correct |
28 | Correct | 4 ms | 4940 KB | Output is correct |
29 | Correct | 4 ms | 4940 KB | Output is correct |
30 | Correct | 4 ms | 4940 KB | Output is correct |
31 | Correct | 4 ms | 4940 KB | Output is correct |
32 | Correct | 4 ms | 4940 KB | Output is correct |
33 | Correct | 5 ms | 4992 KB | Output is correct |
34 | Correct | 5 ms | 4940 KB | Output is correct |
35 | Correct | 4 ms | 4988 KB | Output is correct |
36 | Correct | 4 ms | 5068 KB | Output is correct |
37 | Correct | 4 ms | 5068 KB | Output is correct |
38 | Correct | 5 ms | 5196 KB | Output is correct |
39 | Correct | 5 ms | 5324 KB | Output is correct |
40 | Correct | 4 ms | 6276 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 4 ms | 4940 KB | Output is correct |
2 | Correct | 3 ms | 4988 KB | Output is correct |
3 | Correct | 3 ms | 4940 KB | Output is correct |
4 | Correct | 3 ms | 4940 KB | Output is correct |
5 | Correct | 3 ms | 4940 KB | Output is correct |
6 | Correct | 3 ms | 4940 KB | Output is correct |
7 | Correct | 3 ms | 4992 KB | Output is correct |
8 | Correct | 3 ms | 4940 KB | Output is correct |
9 | Correct | 3 ms | 4940 KB | Output is correct |
10 | Correct | 3 ms | 4940 KB | Output is correct |
11 | Correct | 3 ms | 4940 KB | Output is correct |
12 | Correct | 3 ms | 4940 KB | Output is correct |
13 | Correct | 3 ms | 4940 KB | Output is correct |
14 | Correct | 3 ms | 4988 KB | Output is correct |
15 | Correct | 3 ms | 4940 KB | Output is correct |
16 | Correct | 3 ms | 4940 KB | Output is correct |
17 | Correct | 4 ms | 4940 KB | Output is correct |
18 | Correct | 3 ms | 4940 KB | Output is correct |
19 | Correct | 4 ms | 4940 KB | Output is correct |
20 | Correct | 3 ms | 4940 KB | Output is correct |
21 | Correct | 5 ms | 6220 KB | Output is correct |
22 | Correct | 3 ms | 4940 KB | Output is correct |
23 | Correct | 3 ms | 4940 KB | Output is correct |
24 | Correct | 3 ms | 4940 KB | Output is correct |
25 | Correct | 4 ms | 4940 KB | Output is correct |
26 | Correct | 4 ms | 4940 KB | Output is correct |
27 | Correct | 4 ms | 4940 KB | Output is correct |
28 | Correct | 4 ms | 4940 KB | Output is correct |
29 | Correct | 4 ms | 4940 KB | Output is correct |
30 | Correct | 4 ms | 4940 KB | Output is correct |
31 | Correct | 4 ms | 4940 KB | Output is correct |
32 | Correct | 4 ms | 4940 KB | Output is correct |
33 | Correct | 5 ms | 4992 KB | Output is correct |
34 | Correct | 5 ms | 4940 KB | Output is correct |
35 | Correct | 4 ms | 4988 KB | Output is correct |
36 | Correct | 4 ms | 5068 KB | Output is correct |
37 | Correct | 4 ms | 5068 KB | Output is correct |
38 | Correct | 5 ms | 5196 KB | Output is correct |
39 | Correct | 5 ms | 5324 KB | Output is correct |
40 | Correct | 4 ms | 6276 KB | Output is correct |
41 | Correct | 98 ms | 9764 KB | Output is correct |
42 | Correct | 59 ms | 7120 KB | Output is correct |
43 | Correct | 60 ms | 7108 KB | Output is correct |
44 | Correct | 84 ms | 7148 KB | Output is correct |
45 | Correct | 71 ms | 7220 KB | Output is correct |
46 | Correct | 148 ms | 9292 KB | Output is correct |
47 | Correct | 139 ms | 9372 KB | Output is correct |
48 | Correct | 134 ms | 9280 KB | Output is correct |
49 | Correct | 150 ms | 9516 KB | Output is correct |
50 | Correct | 49 ms | 5836 KB | Output is correct |
51 | Correct | 44 ms | 5964 KB | Output is correct |
52 | Correct | 42 ms | 5876 KB | Output is correct |
53 | Correct | 117 ms | 6816 KB | Output is correct |
54 | Correct | 83 ms | 6820 KB | Output is correct |
55 | Correct | 84 ms | 6876 KB | Output is correct |
56 | Correct | 6 ms | 5836 KB | Output is correct |
57 | Correct | 24 ms | 22548 KB | Output is correct |
58 | Correct | 103 ms | 84432 KB | Output is correct |
59 | Correct | 183 ms | 93880 KB | Output is correct |
60 | Correct | 107 ms | 10140 KB | Output is correct |
61 | Correct | 123 ms | 10076 KB | Output is correct |