Submission #1438662


Source Code Expand

#include<cstdio>
#include<vector>
#include<algorithm>
#include<functional>
using namespace std;
int n,p,f[200000];
vector<int> s[200000];
int dp(int x)
{
	if(s[x].empty())return 0;
	vector<int> d;
	for(auto i:s[x])d.push_back(dp(i));
	sort(d.begin(),d.end(),greater<int>());
	int ans=0;
	for(auto i=0;i<d.size();i++)ans=max(ans,d[i]+i+1);
	return ans;
}
int main()
{
	scanf("%d",&n);
	for(int i=2;i<=n;i++)scanf("%d",&p),s[p].push_back(i);
	printf("%d\n",dp(1));
	return 0;
}

Submission Info

Submission Time
Task B - Tournament
User wangrq
Language C++14 (Clang 3.8.0)
Score 800
Code Size 498 Byte
Status AC
Exec Time 36 ms
Memory 19072 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 800 / 800
Status
AC × 3
AC × 53
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 7160 KB
02.txt AC 29 ms 6528 KB
03.txt AC 29 ms 6528 KB
04.txt AC 29 ms 6528 KB
05.txt AC 29 ms 6528 KB
06.txt AC 29 ms 6528 KB
07.txt AC 30 ms 6528 KB
08.txt AC 29 ms 6528 KB
09.txt AC 29 ms 6528 KB
10.txt AC 28 ms 6528 KB
11.txt AC 30 ms 19072 KB
12.txt AC 29 ms 15104 KB
13.txt AC 29 ms 13056 KB
14.txt AC 28 ms 11008 KB
15.txt AC 27 ms 9600 KB
16.txt AC 27 ms 8448 KB
17.txt AC 28 ms 7680 KB
18.txt AC 28 ms 7168 KB
19.txt AC 28 ms 7040 KB
20.txt AC 30 ms 6912 KB
21.txt AC 12 ms 6136 KB
22.txt AC 12 ms 5732 KB
23.txt AC 13 ms 5752 KB
24.txt AC 13 ms 5680 KB
25.txt AC 13 ms 5504 KB
26.txt AC 13 ms 5504 KB
27.txt AC 13 ms 5504 KB
28.txt AC 14 ms 5504 KB
29.txt AC 15 ms 5504 KB
30.txt AC 15 ms 5504 KB
31.txt AC 24 ms 6528 KB
32.txt AC 23 ms 6016 KB
33.txt AC 21 ms 5760 KB
34.txt AC 20 ms 5760 KB
35.txt AC 19 ms 5760 KB
36.txt AC 16 ms 5504 KB
37.txt AC 16 ms 5376 KB
38.txt AC 14 ms 5504 KB
39.txt AC 13 ms 5504 KB
40.txt AC 13 ms 5376 KB
41.txt AC 3 ms 4992 KB
42.txt AC 3 ms 4992 KB
43.txt AC 3 ms 4992 KB
44.txt AC 3 ms 4992 KB
45.txt AC 3 ms 4992 KB
46.txt AC 3 ms 4992 KB
47.txt AC 3 ms 4992 KB
48.txt AC 3 ms 4992 KB
49.txt AC 3 ms 4992 KB
50.txt AC 3 ms 4992 KB
s1.txt AC 3 ms 4992 KB
s2.txt AC 3 ms 4992 KB
s3.txt AC 3 ms 4992 KB