# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
703139 | 2023-02-26T08:25:25 Z | browntoad | Cat in a tree (BOI17_catinatree) | C++14 | 161 ms | 36720 KB |
#include <bits/stdc++.h> using namespace std; const int maxn = 2e5+5; int n, d; vector<int> graph[maxn], dp(maxn); multiset<int> pen[maxn]; // pending multiset<int> ::iterator it, it2; void dfs(int x, int dep){ for (int i=0; i<graph[x].size(); i++){ dfs(graph[x][i], dep+1); dp[x]+=dp[graph[x][i]]; if (pen[graph[x][i]].size() > pen[x].size()) swap(pen[x], pen[graph[x][i]]); for (int j:pen[graph[x][i]]) pen[x].insert(j); } while(pen[x].size()>=1 && (*prev(pen[x].end()))>=dep+d) { dp[x]++; pen[x].erase(prev(pen[x].end())); } while(pen[x].size()>=2){ it=pen[x].begin(); it2=next(it); if ((*it)-dep+(*it2)-dep < d){ pen[x].erase(it); } else break; } if (pen[x].size()==0) pen[x].insert(dep); } int main(){ cin>>n>>d; for (int i=2; i<=n; i++){ int x; cin>>x; graph[x+1].push_back(i); } dfs(1, 0); cout<<dp[1]+pen[1].size()<<endl; }
Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 9 ms | 15132 KB | Output is correct |
2 | Correct | 8 ms | 15188 KB | Output is correct |
3 | Correct | 8 ms | 15188 KB | Output is correct |
4 | Correct | 7 ms | 15188 KB | Output is correct |
5 | Correct | 8 ms | 15188 KB | Output is correct |
6 | Correct | 8 ms | 15060 KB | Output is correct |
7 | Correct | 9 ms | 15192 KB | Output is correct |
8 | Correct | 9 ms | 15104 KB | Output is correct |
9 | Correct | 8 ms | 15188 KB | Output is correct |
10 | Correct | 8 ms | 15196 KB | Output is correct |
11 | Correct | 9 ms | 15188 KB | Output is correct |
12 | Correct | 10 ms | 15176 KB | Output is correct |
13 | Correct | 8 ms | 15080 KB | Output is correct |
14 | Correct | 8 ms | 15188 KB | Output is correct |
15 | Correct | 8 ms | 15188 KB | Output is correct |
16 | Correct | 8 ms | 15188 KB | Output is correct |
17 | Correct | 8 ms | 15192 KB | Output is correct |
18 | Correct | 9 ms | 15092 KB | Output is correct |
19 | Correct | 8 ms | 15188 KB | Output is correct |
20 | Correct | 7 ms | 15188 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 9 ms | 15132 KB | Output is correct |
2 | Correct | 8 ms | 15188 KB | Output is correct |
3 | Correct | 8 ms | 15188 KB | Output is correct |
4 | Correct | 7 ms | 15188 KB | Output is correct |
5 | Correct | 8 ms | 15188 KB | Output is correct |
6 | Correct | 8 ms | 15060 KB | Output is correct |
7 | Correct | 9 ms | 15192 KB | Output is correct |
8 | Correct | 9 ms | 15104 KB | Output is correct |
9 | Correct | 8 ms | 15188 KB | Output is correct |
10 | Correct | 8 ms | 15196 KB | Output is correct |
11 | Correct | 9 ms | 15188 KB | Output is correct |
12 | Correct | 10 ms | 15176 KB | Output is correct |
13 | Correct | 8 ms | 15080 KB | Output is correct |
14 | Correct | 8 ms | 15188 KB | Output is correct |
15 | Correct | 8 ms | 15188 KB | Output is correct |
16 | Correct | 8 ms | 15188 KB | Output is correct |
17 | Correct | 8 ms | 15192 KB | Output is correct |
18 | Correct | 9 ms | 15092 KB | Output is correct |
19 | Correct | 8 ms | 15188 KB | Output is correct |
20 | Correct | 7 ms | 15188 KB | Output is correct |
21 | Correct | 8 ms | 15324 KB | Output is correct |
22 | Correct | 8 ms | 15188 KB | Output is correct |
23 | Correct | 8 ms | 15188 KB | Output is correct |
24 | Correct | 8 ms | 15188 KB | Output is correct |
25 | Correct | 9 ms | 15188 KB | Output is correct |
26 | Correct | 10 ms | 15172 KB | Output is correct |
27 | Correct | 8 ms | 15188 KB | Output is correct |
28 | Correct | 8 ms | 15200 KB | Output is correct |
29 | Correct | 8 ms | 15188 KB | Output is correct |
30 | Correct | 8 ms | 15188 KB | Output is correct |
31 | Correct | 8 ms | 15184 KB | Output is correct |
32 | Correct | 9 ms | 15276 KB | Output is correct |
33 | Correct | 9 ms | 15188 KB | Output is correct |
34 | Correct | 8 ms | 15212 KB | Output is correct |
35 | Correct | 8 ms | 15268 KB | Output is correct |
36 | Correct | 8 ms | 15188 KB | Output is correct |
37 | Correct | 8 ms | 15188 KB | Output is correct |
38 | Correct | 9 ms | 15184 KB | Output is correct |
39 | Correct | 9 ms | 15276 KB | Output is correct |
40 | Correct | 10 ms | 15324 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 9 ms | 15132 KB | Output is correct |
2 | Correct | 8 ms | 15188 KB | Output is correct |
3 | Correct | 8 ms | 15188 KB | Output is correct |
4 | Correct | 7 ms | 15188 KB | Output is correct |
5 | Correct | 8 ms | 15188 KB | Output is correct |
6 | Correct | 8 ms | 15060 KB | Output is correct |
7 | Correct | 9 ms | 15192 KB | Output is correct |
8 | Correct | 9 ms | 15104 KB | Output is correct |
9 | Correct | 8 ms | 15188 KB | Output is correct |
10 | Correct | 8 ms | 15196 KB | Output is correct |
11 | Correct | 9 ms | 15188 KB | Output is correct |
12 | Correct | 10 ms | 15176 KB | Output is correct |
13 | Correct | 8 ms | 15080 KB | Output is correct |
14 | Correct | 8 ms | 15188 KB | Output is correct |
15 | Correct | 8 ms | 15188 KB | Output is correct |
16 | Correct | 8 ms | 15188 KB | Output is correct |
17 | Correct | 8 ms | 15192 KB | Output is correct |
18 | Correct | 9 ms | 15092 KB | Output is correct |
19 | Correct | 8 ms | 15188 KB | Output is correct |
20 | Correct | 7 ms | 15188 KB | Output is correct |
21 | Correct | 8 ms | 15324 KB | Output is correct |
22 | Correct | 8 ms | 15188 KB | Output is correct |
23 | Correct | 8 ms | 15188 KB | Output is correct |
24 | Correct | 8 ms | 15188 KB | Output is correct |
25 | Correct | 9 ms | 15188 KB | Output is correct |
26 | Correct | 10 ms | 15172 KB | Output is correct |
27 | Correct | 8 ms | 15188 KB | Output is correct |
28 | Correct | 8 ms | 15200 KB | Output is correct |
29 | Correct | 8 ms | 15188 KB | Output is correct |
30 | Correct | 8 ms | 15188 KB | Output is correct |
31 | Correct | 8 ms | 15184 KB | Output is correct |
32 | Correct | 9 ms | 15276 KB | Output is correct |
33 | Correct | 9 ms | 15188 KB | Output is correct |
34 | Correct | 8 ms | 15212 KB | Output is correct |
35 | Correct | 8 ms | 15268 KB | Output is correct |
36 | Correct | 8 ms | 15188 KB | Output is correct |
37 | Correct | 8 ms | 15188 KB | Output is correct |
38 | Correct | 9 ms | 15184 KB | Output is correct |
39 | Correct | 9 ms | 15276 KB | Output is correct |
40 | Correct | 10 ms | 15324 KB | Output is correct |
41 | Correct | 88 ms | 25788 KB | Output is correct |
42 | Correct | 59 ms | 19672 KB | Output is correct |
43 | Correct | 62 ms | 19688 KB | Output is correct |
44 | Correct | 58 ms | 19592 KB | Output is correct |
45 | Correct | 57 ms | 19656 KB | Output is correct |
46 | Correct | 161 ms | 24800 KB | Output is correct |
47 | Correct | 126 ms | 24212 KB | Output is correct |
48 | Correct | 125 ms | 24208 KB | Output is correct |
49 | Correct | 135 ms | 24228 KB | Output is correct |
50 | Correct | 73 ms | 20660 KB | Output is correct |
51 | Correct | 60 ms | 20700 KB | Output is correct |
52 | Correct | 56 ms | 20704 KB | Output is correct |
53 | Correct | 119 ms | 26312 KB | Output is correct |
54 | Correct | 128 ms | 26296 KB | Output is correct |
55 | Correct | 129 ms | 26316 KB | Output is correct |
56 | Correct | 9 ms | 15328 KB | Output is correct |
57 | Correct | 15 ms | 18404 KB | Output is correct |
58 | Correct | 47 ms | 30284 KB | Output is correct |
59 | Correct | 118 ms | 36720 KB | Output is correct |
60 | Correct | 87 ms | 25276 KB | Output is correct |
61 | Correct | 108 ms | 23196 KB | Output is correct |