Submission #3427015
Source Code Expand
#include<bits/stdc++.h> using namespace std; #define RI register int int read() { int q=0;char ch=' '; while(ch<'0'||ch>'9') ch=getchar(); while(ch>='0'&&ch<='9') q=q*10+ch-'0',ch=getchar(); return q; } const int N=100005; int n,tot,h[N],ne[N],to[N],st[N],f[N]; void add(int x,int y) {to[++tot]=y,ne[tot]=h[x],h[x]=tot;} bool cmp(int x,int y) {return x>y;} void dfs(int x) { int top=0; for(RI i=h[x];i;i=ne[i]) dfs(to[i]); for(RI i=h[x];i;i=ne[i]) st[++top]=f[to[i]]; sort(st+1,st+1+top,cmp); for(RI i=1;i<=top;++i) f[x]=max(f[x],st[i]+i); } int main() { int x;n=read(); for(RI i=2;i<=n;++i) x=read(),add(x,i); dfs(1),printf("%d\n",f[1]); return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Tournament |
User | litble |
Language | C++14 (GCC 5.4.1) |
Score | 800 |
Code Size | 728 Byte |
Status | AC |
Exec Time | 11 ms |
Memory | 6528 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 | 11 ms | 1792 KB |
02.txt | AC | 11 ms | 1792 KB |
03.txt | AC | 11 ms | 1792 KB |
04.txt | AC | 11 ms | 1792 KB |
05.txt | AC | 11 ms | 1792 KB |
06.txt | AC | 11 ms | 1792 KB |
07.txt | AC | 11 ms | 1792 KB |
08.txt | AC | 11 ms | 1792 KB |
09.txt | AC | 11 ms | 1792 KB |
10.txt | AC | 11 ms | 1792 KB |
11.txt | AC | 10 ms | 6528 KB |
12.txt | AC | 10 ms | 4992 KB |
13.txt | AC | 9 ms | 4096 KB |
14.txt | AC | 9 ms | 3328 KB |
15.txt | AC | 9 ms | 2816 KB |
16.txt | AC | 9 ms | 2432 KB |
17.txt | AC | 9 ms | 2048 KB |
18.txt | AC | 9 ms | 1920 KB |
19.txt | AC | 10 ms | 1792 KB |
20.txt | AC | 11 ms | 1792 KB |
21.txt | AC | 7 ms | 1408 KB |
22.txt | AC | 7 ms | 1280 KB |
23.txt | AC | 6 ms | 1152 KB |
24.txt | AC | 6 ms | 1152 KB |
25.txt | AC | 6 ms | 1152 KB |
26.txt | AC | 7 ms | 1024 KB |
27.txt | AC | 7 ms | 1024 KB |
28.txt | AC | 8 ms | 1024 KB |
29.txt | AC | 8 ms | 1024 KB |
30.txt | AC | 8 ms | 1024 KB |
31.txt | AC | 7 ms | 1408 KB |
32.txt | AC | 7 ms | 1280 KB |
33.txt | AC | 7 ms | 1280 KB |
34.txt | AC | 7 ms | 1152 KB |
35.txt | AC | 6 ms | 1152 KB |
36.txt | AC | 6 ms | 1024 KB |
37.txt | AC | 6 ms | 1024 KB |
38.txt | AC | 6 ms | 1024 KB |
39.txt | AC | 6 ms | 1024 KB |
40.txt | AC | 6 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 |