Submission #1438846
Source Code Expand
#include <assert.h> #include <ctype.h> #include <errno.h> #include <float.h> #include <fstream> #include <iomanip> #include <iostream> #include <set> #include <queue> #include <limits> #include <vector> #include <deque> #include <locale> #include <math.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <time.h> #include <wchar.h> #include <wctype.h> #include <algorithm> #include <bitset> #include <map> #include <iomanip> #include <ios> #include <iostream> #include <vector> #include <cwchar> #include <cwctype> #define mp make_pair #define fs first #define se second #define memset(a,t) memset(a,t,sizeof(a)) #define all(v) v.begin(),v.end() #define eprintf(...) fprintf(stderr, __VA_ARGS__),fflush(stderr) #define MN 0LL #define Mx 200000005 #define Mn -Mx #define MX 20000000000000005 using namespace std; int readint(){ char c; while(c=getchar(),(c<'0'||c>'9')&&c!='-'); bool flag=(c=='-'); if(flag)c=getchar(); int x=0; while(c>='0'&&c<='9'){ x=x*10+c-48; c=getchar(); } return flag?-x:x; } inline string tos(int x){ string s; while(x) s=(char)(x%10+'0')+s,x/=10; return s; } int n,ans; bool dead[1000005]; vector<int> v[1000005]; inline int dfs(int dp){ dead[dp]=1; int res=0; vector<int> gss; for(int i=0;i<v[dp].size();i++){ if(dead[v[dp][i]]) continue; int t=dfs(v[dp][i]); gss.push_back(t); } sort(gss.begin(),gss.end()); for(int i=0;i<v[dp].size();i++){ res=max(int(gss[i]+v[dp].size()-i-1),res); } res++; return res; } int main(){ ios_base::sync_with_stdio(false); int i,j,t; cin>>n; for(i=2;i<=n;i++){ cin>>t; // if(i==a[i]) exit(41234); v[t].push_back(i); } // if(v[1].size()==0) exit(1); cout<<dfs(1)-1<<endl; // for(i=1;i<=n;i++) cout<<gs[i]<<" "; // cout<<endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Tournament |
User | paulzrm |
Language | C++14 (GCC 5.4.1) |
Score | 800 |
Code Size | 1849 Byte |
Status | AC |
Exec Time | 38 ms |
Memory | 33920 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 | 36 ms | 25472 KB |
02.txt | AC | 35 ms | 25472 KB |
03.txt | AC | 36 ms | 25472 KB |
04.txt | AC | 36 ms | 25472 KB |
05.txt | AC | 37 ms | 25472 KB |
06.txt | AC | 38 ms | 25472 KB |
07.txt | AC | 36 ms | 25472 KB |
08.txt | AC | 36 ms | 25472 KB |
09.txt | AC | 36 ms | 25472 KB |
10.txt | AC | 36 ms | 25472 KB |
11.txt | AC | 31 ms | 33920 KB |
12.txt | AC | 32 ms | 31360 KB |
13.txt | AC | 31 ms | 29952 KB |
14.txt | AC | 31 ms | 28544 KB |
15.txt | AC | 31 ms | 27648 KB |
16.txt | AC | 31 ms | 26880 KB |
17.txt | AC | 31 ms | 26368 KB |
18.txt | AC | 32 ms | 25984 KB |
19.txt | AC | 35 ms | 25856 KB |
20.txt | AC | 34 ms | 25728 KB |
21.txt | AC | 18 ms | 24952 KB |
22.txt | AC | 18 ms | 24672 KB |
23.txt | AC | 18 ms | 24564 KB |
24.txt | AC | 18 ms | 24576 KB |
25.txt | AC | 18 ms | 24448 KB |
26.txt | AC | 19 ms | 24320 KB |
27.txt | AC | 20 ms | 24320 KB |
28.txt | AC | 19 ms | 24448 KB |
29.txt | AC | 20 ms | 24448 KB |
30.txt | AC | 21 ms | 24320 KB |
31.txt | AC | 27 ms | 25344 KB |
32.txt | AC | 27 ms | 24832 KB |
33.txt | AC | 25 ms | 24576 KB |
34.txt | AC | 25 ms | 24576 KB |
35.txt | AC | 24 ms | 24704 KB |
36.txt | AC | 21 ms | 24320 KB |
37.txt | AC | 21 ms | 24192 KB |
38.txt | AC | 19 ms | 24320 KB |
39.txt | AC | 19 ms | 24320 KB |
40.txt | AC | 18 ms | 24192 KB |
41.txt | AC | 9 ms | 23680 KB |
42.txt | AC | 9 ms | 23680 KB |
43.txt | AC | 9 ms | 23680 KB |
44.txt | AC | 9 ms | 23680 KB |
45.txt | AC | 9 ms | 23680 KB |
46.txt | AC | 9 ms | 23680 KB |
47.txt | AC | 9 ms | 23680 KB |
48.txt | AC | 9 ms | 23680 KB |
49.txt | AC | 9 ms | 23680 KB |
50.txt | AC | 9 ms | 23680 KB |
s1.txt | AC | 9 ms | 23680 KB |
s2.txt | AC | 9 ms | 23680 KB |
s3.txt | AC | 9 ms | 23680 KB |