Submission #1634680
Source Code Expand
#include<iostream> #include<vector> #include<algorithm> #include<cstring> #include<cstdio> #include<cmath> #include<cstdlib> #include<ctime> #include<queue> #include<set> #include<map> #include<stack> using namespace std; typedef long long LL; const int N=2e5; int gi() { int w=0;bool q=1;char c=getchar(); while ((c<'0'||c>'9') && c!='-') c=getchar(); if (c=='-') q=0,c=getchar(); while (c>='0'&&c <= '9') w=w*10+c-'0',c=getchar(); return q? w:-w; } int head[N],nxt[N]; int st[N],f[N]; inline void dfs(int k) { int i,len=0; for (i=head[k];i;i=nxt[i]) dfs(i); for (i=head[k];i;i=nxt[i]) st[++len]=f[i]; sort(st+1,st+1+len); for (i=1;i<=len;i++) f[k]=max(f[k],st[i]+1+len-i); } int main() { int n=gi(),i,k; for (i=2;i<=n;i++) nxt[i]=head[k=gi()],head[k]=i; dfs(1); cout<<f[1]<<endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Tournament |
User | laofu |
Language | C++14 (GCC 5.4.1) |
Score | 800 |
Code Size | 854 Byte |
Status | AC |
Exec Time | 10 ms |
Memory | 3200 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 | 10 ms | 1408 KB |
02.txt | AC | 10 ms | 1408 KB |
03.txt | AC | 10 ms | 1408 KB |
04.txt | AC | 10 ms | 1408 KB |
05.txt | AC | 10 ms | 1408 KB |
06.txt | AC | 10 ms | 1408 KB |
07.txt | AC | 10 ms | 1408 KB |
08.txt | AC | 10 ms | 1408 KB |
09.txt | AC | 10 ms | 1408 KB |
10.txt | AC | 10 ms | 1408 KB |
11.txt | AC | 9 ms | 3200 KB |
12.txt | AC | 9 ms | 2560 KB |
13.txt | AC | 9 ms | 2304 KB |
14.txt | AC | 9 ms | 2048 KB |
15.txt | AC | 9 ms | 1792 KB |
16.txt | AC | 9 ms | 1664 KB |
17.txt | AC | 9 ms | 1536 KB |
18.txt | AC | 9 ms | 1408 KB |
19.txt | AC | 9 ms | 1408 KB |
20.txt | AC | 9 ms | 1408 KB |
21.txt | AC | 5 ms | 1024 KB |
22.txt | AC | 5 ms | 896 KB |
23.txt | AC | 5 ms | 768 KB |
24.txt | AC | 5 ms | 768 KB |
25.txt | AC | 5 ms | 640 KB |
26.txt | AC | 6 ms | 640 KB |
27.txt | AC | 6 ms | 640 KB |
28.txt | AC | 6 ms | 640 KB |
29.txt | AC | 7 ms | 640 KB |
30.txt | AC | 7 ms | 640 KB |
31.txt | AC | 7 ms | 1024 KB |
32.txt | AC | 7 ms | 896 KB |
33.txt | AC | 7 ms | 896 KB |
34.txt | AC | 7 ms | 768 KB |
35.txt | AC | 6 ms | 768 KB |
36.txt | AC | 6 ms | 640 KB |
37.txt | AC | 6 ms | 640 KB |
38.txt | AC | 6 ms | 640 KB |
39.txt | AC | 6 ms | 640 KB |
40.txt | AC | 5 ms | 640 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 |