# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
145004 | 2019-08-18T11:20:51 Z | evpipis | Cat in a tree (BOI17_catinatree) | C++14 | 105 ms | 20344 KB |
#include <bits/stdc++.h> using namespace std; #define fi first #define se second #define mp make_pair #define pb push_back typedef pair<int, int> ii; const int len = 2e5+5; int n, d, dis[len], opt[len]; vector<int> adj[len]; bool comp(int a, int b){ return (dis[a] < dis[b]); } void dfs(int u){ //printf("dfs: u = %d\n", u); for (int j = 0; j < adj[u].size(); j++){ int v = adj[u][j]; dfs(v); dis[v]++; } sort(adj[u].begin(), adj[u].end(), comp); opt[u] = 1; dis[u] = 0; int sum = 0; for (int j = 0; j < adj[u].size(); j++){ int v = adj[u][j]; opt[u] += opt[v]; if (dis[v] < d) opt[u]--; sum += opt[v]; } for (int i = (int)adj[u].size()-1, j = 0; i >= 0; i--){ int v = adj[u][i]; while (j < adj[u].size() && dis[adj[u][j]] < d-dis[v]) j++; int dis2 = dis[v], opt2 = sum-i; if (j > i) opt2 = sum-(j-1); if (mp(opt2, dis2) > mp(opt[u], dis[u])) opt[u] = opt2, dis[u] = dis2; } } int main(){ scanf("%d %d", &n, &d); for (int i = 1; i < n; i++){ int temp; scanf("%d", &temp); adj[temp].pb(i); } dfs(0); printf("%d\n", opt[0]); return 0; }
Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 6 ms | 4984 KB | Output is correct |
2 | Correct | 6 ms | 4984 KB | Output is correct |
3 | Correct | 6 ms | 4984 KB | Output is correct |
4 | Correct | 7 ms | 4984 KB | Output is correct |
5 | Correct | 6 ms | 4984 KB | Output is correct |
6 | Correct | 6 ms | 4984 KB | Output is correct |
7 | Correct | 8 ms | 4984 KB | Output is correct |
8 | Correct | 8 ms | 4984 KB | Output is correct |
9 | Correct | 8 ms | 4984 KB | Output is correct |
10 | Correct | 6 ms | 4984 KB | Output is correct |
11 | Correct | 6 ms | 4984 KB | Output is correct |
12 | Correct | 10 ms | 4984 KB | Output is correct |
13 | Correct | 8 ms | 4984 KB | Output is correct |
14 | Correct | 7 ms | 4984 KB | Output is correct |
15 | Correct | 6 ms | 4984 KB | Output is correct |
16 | Correct | 6 ms | 4984 KB | Output is correct |
17 | Correct | 6 ms | 4984 KB | Output is correct |
18 | Correct | 6 ms | 4984 KB | Output is correct |
19 | Correct | 6 ms | 4984 KB | Output is correct |
20 | Correct | 6 ms | 4984 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 6 ms | 4984 KB | Output is correct |
2 | Correct | 6 ms | 4984 KB | Output is correct |
3 | Correct | 6 ms | 4984 KB | Output is correct |
4 | Correct | 7 ms | 4984 KB | Output is correct |
5 | Correct | 6 ms | 4984 KB | Output is correct |
6 | Correct | 6 ms | 4984 KB | Output is correct |
7 | Correct | 8 ms | 4984 KB | Output is correct |
8 | Correct | 8 ms | 4984 KB | Output is correct |
9 | Correct | 8 ms | 4984 KB | Output is correct |
10 | Correct | 6 ms | 4984 KB | Output is correct |
11 | Correct | 6 ms | 4984 KB | Output is correct |
12 | Correct | 10 ms | 4984 KB | Output is correct |
13 | Correct | 8 ms | 4984 KB | Output is correct |
14 | Correct | 7 ms | 4984 KB | Output is correct |
15 | Correct | 6 ms | 4984 KB | Output is correct |
16 | Correct | 6 ms | 4984 KB | Output is correct |
17 | Correct | 6 ms | 4984 KB | Output is correct |
18 | Correct | 6 ms | 4984 KB | Output is correct |
19 | Correct | 6 ms | 4984 KB | Output is correct |
20 | Correct | 6 ms | 4984 KB | Output is correct |
21 | Correct | 6 ms | 5192 KB | Output is correct |
22 | Correct | 7 ms | 5112 KB | Output is correct |
23 | Correct | 6 ms | 4984 KB | Output is correct |
24 | Correct | 7 ms | 5112 KB | Output is correct |
25 | Correct | 10 ms | 5112 KB | Output is correct |
26 | Correct | 10 ms | 5112 KB | Output is correct |
27 | Correct | 6 ms | 4984 KB | Output is correct |
28 | Correct | 7 ms | 5112 KB | Output is correct |
29 | Correct | 7 ms | 5112 KB | Output is correct |
30 | Correct | 7 ms | 4984 KB | Output is correct |
31 | Correct | 6 ms | 5112 KB | Output is correct |
32 | Correct | 7 ms | 5112 KB | Output is correct |
33 | Correct | 6 ms | 4984 KB | Output is correct |
34 | Correct | 7 ms | 5112 KB | Output is correct |
35 | Correct | 6 ms | 5112 KB | Output is correct |
36 | Correct | 7 ms | 5112 KB | Output is correct |
37 | Correct | 7 ms | 5112 KB | Output is correct |
38 | Correct | 6 ms | 5112 KB | Output is correct |
39 | Correct | 6 ms | 5112 KB | Output is correct |
40 | Correct | 7 ms | 5368 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 6 ms | 4984 KB | Output is correct |
2 | Correct | 6 ms | 4984 KB | Output is correct |
3 | Correct | 6 ms | 4984 KB | Output is correct |
4 | Correct | 7 ms | 4984 KB | Output is correct |
5 | Correct | 6 ms | 4984 KB | Output is correct |
6 | Correct | 6 ms | 4984 KB | Output is correct |
7 | Correct | 8 ms | 4984 KB | Output is correct |
8 | Correct | 8 ms | 4984 KB | Output is correct |
9 | Correct | 8 ms | 4984 KB | Output is correct |
10 | Correct | 6 ms | 4984 KB | Output is correct |
11 | Correct | 6 ms | 4984 KB | Output is correct |
12 | Correct | 10 ms | 4984 KB | Output is correct |
13 | Correct | 8 ms | 4984 KB | Output is correct |
14 | Correct | 7 ms | 4984 KB | Output is correct |
15 | Correct | 6 ms | 4984 KB | Output is correct |
16 | Correct | 6 ms | 4984 KB | Output is correct |
17 | Correct | 6 ms | 4984 KB | Output is correct |
18 | Correct | 6 ms | 4984 KB | Output is correct |
19 | Correct | 6 ms | 4984 KB | Output is correct |
20 | Correct | 6 ms | 4984 KB | Output is correct |
21 | Correct | 6 ms | 5192 KB | Output is correct |
22 | Correct | 7 ms | 5112 KB | Output is correct |
23 | Correct | 6 ms | 4984 KB | Output is correct |
24 | Correct | 7 ms | 5112 KB | Output is correct |
25 | Correct | 10 ms | 5112 KB | Output is correct |
26 | Correct | 10 ms | 5112 KB | Output is correct |
27 | Correct | 6 ms | 4984 KB | Output is correct |
28 | Correct | 7 ms | 5112 KB | Output is correct |
29 | Correct | 7 ms | 5112 KB | Output is correct |
30 | Correct | 7 ms | 4984 KB | Output is correct |
31 | Correct | 6 ms | 5112 KB | Output is correct |
32 | Correct | 7 ms | 5112 KB | Output is correct |
33 | Correct | 6 ms | 4984 KB | Output is correct |
34 | Correct | 7 ms | 5112 KB | Output is correct |
35 | Correct | 6 ms | 5112 KB | Output is correct |
36 | Correct | 7 ms | 5112 KB | Output is correct |
37 | Correct | 7 ms | 5112 KB | Output is correct |
38 | Correct | 6 ms | 5112 KB | Output is correct |
39 | Correct | 6 ms | 5112 KB | Output is correct |
40 | Correct | 7 ms | 5368 KB | Output is correct |
41 | Correct | 64 ms | 11332 KB | Output is correct |
42 | Correct | 55 ms | 7964 KB | Output is correct |
43 | Correct | 64 ms | 8056 KB | Output is correct |
44 | Correct | 41 ms | 7928 KB | Output is correct |
45 | Correct | 43 ms | 7928 KB | Output is correct |
46 | Correct | 98 ms | 11000 KB | Output is correct |
47 | Correct | 101 ms | 11000 KB | Output is correct |
48 | Correct | 102 ms | 11000 KB | Output is correct |
49 | Correct | 105 ms | 11092 KB | Output is correct |
50 | Correct | 26 ms | 6776 KB | Output is correct |
51 | Correct | 26 ms | 6776 KB | Output is correct |
52 | Correct | 26 ms | 6776 KB | Output is correct |
53 | Correct | 46 ms | 8440 KB | Output is correct |
54 | Correct | 46 ms | 8440 KB | Output is correct |
55 | Correct | 44 ms | 8440 KB | Output is correct |
56 | Correct | 7 ms | 5116 KB | Output is correct |
57 | Correct | 13 ms | 7800 KB | Output is correct |
58 | Correct | 41 ms | 17656 KB | Output is correct |
59 | Correct | 88 ms | 20344 KB | Output is correct |
60 | Correct | 64 ms | 11864 KB | Output is correct |
61 | Correct | 79 ms | 11524 KB | Output is correct |