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Submission #711421

# Submission time Handle Problem Language Result Execution time Memory
711421 2023-03-16T22:38:08 Z stevancv Cat in a tree (BOI17_catinatree) C++14
100 / 100
 83 ms 23360 KB 
#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define sp ' '
#define en '\n'
#define smin(a, b) a = min(a, b)
#define smax(a, b) a = max(a, b)
using namespace std;
const int N = 2e5 + 5;
const int inf = 1e9;
vector<int> g[N];
int k;
pair<int, int> Dfs(int s) {
    vector<int> v;
    v.push_back(0);
    int ans = 1;
    for (int u : g[s]) {
        auto x = Dfs(u);
        ans += x.first;
        v.push_back(x.second);
    }
    sort(v.rbegin(), v.rend());
        while (v.size() >= 2 && v.back() + v[v.size() - 2] < k) {
        ans -= 1;
        v.pop_back();
    }
    return {ans, v.back() + 1};
}
int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int n;
    cin >> n >> k;
    for (int i = 1; i < n; i++) {
        int p; cin >> p;
        g[p].push_back(i);
    }
    cout << Dfs(0).first << en;
    return 0;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 4 ms 4948 KB Output is correct
3 Correct 3 ms 5016 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 5020 KB Output is correct
8 Correct 3 ms 5024 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 4 ms 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 5020 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 3 ms 5020 KB Output is correct
18 Correct 3 ms 5020 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 4 ms 4948 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 4 ms 4948 KB Output is correct
3 Correct 3 ms 5016 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 5020 KB Output is correct
8 Correct 3 ms 5024 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 4 ms 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 5020 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 3 ms 5020 KB Output is correct
18 Correct 3 ms 5020 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 4 ms 4948 KB Output is correct
21 Correct 3 ms 5204 KB Output is correct
22 Correct 3 ms 5020 KB Output is correct
23 Correct 3 ms 5016 KB Output is correct
24 Correct 3 ms 4948 KB Output is correct
25 Correct 4 ms 5020 KB Output is correct
26 Correct 4 ms 4948 KB Output is correct
27 Correct 3 ms 4948 KB Output is correct
28 Correct 3 ms 4948 KB Output is correct
29 Correct 3 ms 4948 KB Output is correct
30 Correct 3 ms 4948 KB Output is correct
31 Correct 3 ms 4948 KB Output is correct
32 Correct 3 ms 4948 KB Output is correct
33 Correct 4 ms 4948 KB Output is correct
34 Correct 3 ms 4948 KB Output is correct
35 Correct 4 ms 5016 KB Output is correct
36 Correct 3 ms 4948 KB Output is correct
37 Correct 3 ms 4948 KB Output is correct
38 Correct 3 ms 5024 KB Output is correct
39 Correct 3 ms 5076 KB Output is correct
40 Correct 3 ms 5204 KB Output is correct

Subtask #3
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 4 ms 4948 KB Output is correct
3 Correct 3 ms 5016 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 5020 KB Output is correct
8 Correct 3 ms 5024 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 4 ms 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 5020 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 3 ms 5020 KB Output is correct
18 Correct 3 ms 5020 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 4 ms 4948 KB Output is correct
21 Correct 3 ms 5204 KB Output is correct
22 Correct 3 ms 5020 KB Output is correct
23 Correct 3 ms 5016 KB Output is correct
24 Correct 3 ms 4948 KB Output is correct
25 Correct 4 ms 5020 KB Output is correct
26 Correct 4 ms 4948 KB Output is correct
27 Correct 3 ms 4948 KB Output is correct
28 Correct 3 ms 4948 KB Output is correct
29 Correct 3 ms 4948 KB Output is correct
30 Correct 3 ms 4948 KB Output is correct
31 Correct 3 ms 4948 KB Output is correct
32 Correct 3 ms 4948 KB Output is correct
33 Correct 4 ms 4948 KB Output is correct
34 Correct 3 ms 4948 KB Output is correct
35 Correct 4 ms 5016 KB Output is correct
36 Correct 3 ms 4948 KB Output is correct
37 Correct 3 ms 4948 KB Output is correct
38 Correct 3 ms 5024 KB Output is correct
39 Correct 3 ms 5076 KB Output is correct
40 Correct 3 ms 5204 KB Output is correct
41 Correct 43 ms 10136 KB Output is correct
42 Correct 27 ms 7176 KB Output is correct
43 Correct 28 ms 7172 KB Output is correct
44 Correct 27 ms 7124 KB Output is correct
45 Correct 28 ms 7084 KB Output is correct
46 Correct 83 ms 9288 KB Output is correct
47 Correct 78 ms 9400 KB Output is correct
48 Correct 68 ms 9412 KB Output is correct
49 Correct 76 ms 9292 KB Output is correct
50 Correct 17 ms 5924 KB Output is correct
51 Correct 19 ms 5872 KB Output is correct
52 Correct 17 ms 5972 KB Output is correct
53 Correct 39 ms 6916 KB Output is correct
54 Correct 29 ms 6884 KB Output is correct
55 Correct 31 ms 6912 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 8 ms 8516 KB Output is correct
58 Correct 33 ms 21180 KB Output is correct
59 Correct 67 ms 23360 KB Output is correct
60 Correct 49 ms 10668 KB Output is correct
61 Correct 58 ms 10064 KB Output is correct