oj.uz

Submission #698579

# Submission time Handle Problem Language Result Execution time Memory
698579 2023-02-13T21:43:47 Z bogdanvladmihai Cat in a tree (BOI17_catinatree) C++14
100 / 100
 102 ms 20416 KB 
#include <bits/stdc++.h>
using namespace std;

int N, K;
vector<vector<int>> G, children;

pair<int, int> dfs(int u, int D) {
    if (children[u].empty()) {
        return make_pair(1, 1);
    }
    pair<int, int> answer = dfs(children[u][0], D);
    answer = (answer.second == D ? make_pair(answer.first + 1, 0) : answer);
    for (int i = 1; i < (int)children[u].size(); i++) {
        auto child = dfs(children[u][i], D);
        answer.first += child.first;
        if (answer.second + child.second >= D) {
            answer.second = min(answer.second, child.second);
        } else {
            answer.first--;
            answer.second = max(answer.second, child.second);
        }
    }
    answer.second++;
    return answer;
}

int main() {
    cin >> N >> K;
    G.resize(N);
    children.resize(N);
    for (int i = 1; i < N; i++) {
        int v; cin >> v;
        children[v].push_back(i);
    }
    cout << dfs(0, K).first << "\n";
    return 0;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 300 KB Output is correct
6 Correct 0 ms 300 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 296 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 300 KB Output is correct
6 Correct 0 ms 300 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 296 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 304 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 300 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 468 KB Output is correct

Subtask #3
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 300 KB Output is correct
6 Correct 0 ms 300 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 296 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 304 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 300 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 60 ms 13968 KB Output is correct
42 Correct 47 ms 7072 KB Output is correct
43 Correct 42 ms 7080 KB Output is correct
44 Correct 49 ms 7152 KB Output is correct
45 Correct 40 ms 7116 KB Output is correct
46 Correct 95 ms 13964 KB Output is correct
47 Correct 79 ms 13988 KB Output is correct
48 Correct 102 ms 14120 KB Output is correct
49 Correct 82 ms 14028 KB Output is correct
50 Correct 23 ms 5948 KB Output is correct
51 Correct 24 ms 5844 KB Output is correct
52 Correct 23 ms 5972 KB Output is correct
53 Correct 50 ms 11580 KB Output is correct
54 Correct 59 ms 11560 KB Output is correct
55 Correct 55 ms 11540 KB Output is correct
56 Correct 1 ms 432 KB Output is correct
57 Correct 13 ms 3232 KB Output is correct
58 Correct 39 ms 13940 KB Output is correct
59 Correct 80 ms 20416 KB Output is correct
60 Correct 63 ms 14660 KB Output is correct
61 Correct 72 ms 14248 KB Output is correct