Submission #3270043
Source Code Expand
#include<iostream> #include<cstdio> #include<cstdlib> #include<cstring> #include<cmath> #include<algorithm> #include<vector> using namespace std; #define ll long long #define MAX 100100 inline int read() { int x=0;bool t=false;char ch=getchar(); while((ch<'0'||ch>'9')&&ch!='-')ch=getchar(); if(ch=='-')t=true,ch=getchar(); while(ch<='9'&&ch>='0')x=x*10+ch-48,ch=getchar(); return t?-x:x; } struct Line{int v,next;}e[MAX]; int h[MAX],cnt=1; inline void Add(int u,int v){e[cnt]=(Line){v,h[u]};h[u]=cnt++;} int n,f[MAX],S[MAX],top; void dfs(int u) { for(int i=h[u];i;i=e[i].next)dfs(e[i].v); top=0; for(int i=h[u];i;i=e[i].next)S[++top]=f[e[i].v]; sort(&S[1],&S[top+1]); for(int i=1;i<=top;++i)f[u]=max(f[u],S[i]+top-i+1); } int main() { n=read(); for(int i=2;i<=n;++i)Add(read(),i); dfs(1);printf("%d\n",f[1]); return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Tournament |
User | yybyyb |
Language | C++14 (GCC 5.4.1) |
Score | 800 |
Code Size | 873 Byte |
Status | AC |
Exec Time | 10 ms |
Memory | 4992 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 | 1792 KB |
02.txt | AC | 10 ms | 1792 KB |
03.txt | AC | 10 ms | 1792 KB |
04.txt | AC | 10 ms | 1792 KB |
05.txt | AC | 10 ms | 1792 KB |
06.txt | AC | 10 ms | 1792 KB |
07.txt | AC | 10 ms | 1792 KB |
08.txt | AC | 10 ms | 1792 KB |
09.txt | AC | 10 ms | 1792 KB |
10.txt | AC | 10 ms | 1792 KB |
11.txt | AC | 10 ms | 4992 KB |
12.txt | AC | 9 ms | 3840 KB |
13.txt | AC | 9 ms | 3328 KB |
14.txt | AC | 9 ms | 2816 KB |
15.txt | AC | 9 ms | 2560 KB |
16.txt | AC | 9 ms | 2176 KB |
17.txt | AC | 9 ms | 2048 KB |
18.txt | AC | 9 ms | 1920 KB |
19.txt | AC | 9 ms | 1792 KB |
20.txt | AC | 10 ms | 1792 KB |
21.txt | AC | 5 ms | 1408 KB |
22.txt | AC | 6 ms | 1280 KB |
23.txt | AC | 5 ms | 1152 KB |
24.txt | AC | 5 ms | 1152 KB |
25.txt | AC | 6 ms | 1024 KB |
26.txt | AC | 6 ms | 1024 KB |
27.txt | AC | 8 ms | 1024 KB |
28.txt | AC | 8 ms | 1024 KB |
29.txt | AC | 7 ms | 1024 KB |
30.txt | AC | 7 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 | 8 ms | 1152 KB |
36.txt | AC | 6 ms | 1024 KB |
37.txt | AC | 6 ms | 1024 KB |
38.txt | AC | 7 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 |