Submission #1623046
Source Code Expand
#include<bits/stdc++.h> using namespace std; const int maxn=100005; struct edge {int to,next;}e[maxn]; int n,tot,head[maxn],dp[maxn]; char C; inline void read(int& x) { x=0,C=getchar(); while(C<'0'||C>'9')C=getchar(); while(C>='0'&&C<='9')x=x*10+C-'0',C=getchar(); } inline void add(int u,int v){e[++tot]=(edge){v,head[u]},head[u]=tot;} inline void dfs(int u) { bool lvs=1; vector<int> q;q.clear(); for(int i=head[u];i;i=e[i].next) { lvs=0,dfs(e[i].to); q.push_back(dp[e[i].to]); } if(lvs)return; sort(q.begin(),q.end(),greater<int>()); for(int i=0;i<q.size();i++)dp[u]=max(dp[u],q[i]+i+1); } int main() { read(n); for(int i=2,b;i<=n;i++)read(b),add(b,i); dfs(1); printf("%d",dp[1]); return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Tournament |
User | MegaOwIer |
Language | C++14 (GCC 5.4.1) |
Score | 800 |
Code Size | 754 Byte |
Status | AC |
Exec Time | 14 ms |
Memory | 7680 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 800 / 800 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | s1.txt, s2.txt, s3.txt |
All | 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt, 37.txt, 38.txt, 39.txt, 40.txt, 41.txt, 42.txt, 43.txt, 44.txt, 45.txt, 46.txt, 47.txt, 48.txt, 49.txt, 50.txt, s1.txt, s2.txt, s3.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01.txt | AC | 14 ms | 1792 KB |
02.txt | AC | 14 ms | 1792 KB |
03.txt | AC | 14 ms | 1792 KB |
04.txt | AC | 14 ms | 1792 KB |
05.txt | AC | 14 ms | 1792 KB |
06.txt | AC | 14 ms | 1792 KB |
07.txt | AC | 14 ms | 1792 KB |
08.txt | AC | 14 ms | 1792 KB |
09.txt | AC | 14 ms | 1792 KB |
10.txt | AC | 14 ms | 1792 KB |
11.txt | AC | 13 ms | 7680 KB |
12.txt | AC | 13 ms | 6016 KB |
13.txt | AC | 13 ms | 4992 KB |
14.txt | AC | 13 ms | 4096 KB |
15.txt | AC | 13 ms | 3328 KB |
16.txt | AC | 13 ms | 2688 KB |
17.txt | AC | 13 ms | 2304 KB |
18.txt | AC | 13 ms | 1920 KB |
19.txt | AC | 13 ms | 1792 KB |
20.txt | AC | 14 ms | 1792 KB |
21.txt | AC | 5 ms | 1660 KB |
22.txt | AC | 5 ms | 1660 KB |
23.txt | AC | 5 ms | 1660 KB |
24.txt | AC | 5 ms | 1536 KB |
25.txt | AC | 5 ms | 1408 KB |
26.txt | AC | 6 ms | 1408 KB |
27.txt | AC | 6 ms | 1152 KB |
28.txt | AC | 6 ms | 1152 KB |
29.txt | AC | 7 ms | 1152 KB |
30.txt | AC | 7 ms | 1024 KB |
31.txt | AC | 11 ms | 1408 KB |
32.txt | AC | 10 ms | 1280 KB |
33.txt | AC | 9 ms | 1280 KB |
34.txt | AC | 9 ms | 1152 KB |
35.txt | AC | 9 ms | 1152 KB |
36.txt | AC | 7 ms | 1024 KB |
37.txt | AC | 7 ms | 1024 KB |
38.txt | AC | 6 ms | 1024 KB |
39.txt | AC | 6 ms | 1024 KB |
40.txt | AC | 5 ms | 1024 KB |
41.txt | AC | 1 ms | 256 KB |
42.txt | AC | 1 ms | 256 KB |
43.txt | AC | 1 ms | 256 KB |
44.txt | AC | 1 ms | 256 KB |
45.txt | AC | 1 ms | 256 KB |
46.txt | AC | 1 ms | 256 KB |
47.txt | AC | 1 ms | 256 KB |
48.txt | AC | 1 ms | 256 KB |
49.txt | AC | 1 ms | 256 KB |
50.txt | AC | 1 ms | 256 KB |
s1.txt | AC | 1 ms | 256 KB |
s2.txt | AC | 1 ms | 256 KB |
s3.txt | AC | 1 ms | 256 KB |