Submission #924900

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
924900	2024-02-10T03:37:59 Z	Faisal_Saqib	Cat in a tree (BOI17_catinatree)	C++17	51 / 100	1000 ms	17304 KB

catinatree

#include <iostream>
#include <vector>
#include <bitset>
using namespace std;
const int N=2e5+10;
int n,d;
vector<int> ma[N],vep[N];
int h[N];
bitset<N> rem;
void remove(int x,int dp=0,int p=-1)
{
	rem.set(x);
	if(dp==(d-1))
		return;
	for(int y:ma[x])
		if(y!=p)
			remove(y,dp+1,x);
}
int main()
{
	cin.tie(0);
	cout.tie(0);
	ios::sync_with_stdio(0);
	cin>>n>>d;
	vep[0].push_back(1);
	int max_h=0;
	for(int i=2;i<=n;i++)
	{
		int p;
		cin>>p;
		p++;
		h[i]=h[p]+1;
		vep[h[i]].push_back(i);
		max_h=max(max_h,h[i]);
		ma[p].push_back(i);
		ma[i].push_back(p);
	}
	int ans=0;
	for(int cur_h=max_h;cur_h>=0;cur_h--)
	{
		for(int v:vep[cur_h])
		{
			if(!rem[v])
			{
				ans++;
				remove(v);
			}
		}
	}
	cout<<ans<<'\n';
	return 0;
}

Subtask #1

11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	10328 KB	Output is correct
2	Correct	2 ms	10332 KB	Output is correct
3	Correct	3 ms	10332 KB	Output is correct
4	Correct	3 ms	10328 KB	Output is correct
5	Correct	3 ms	10328 KB	Output is correct
6	Correct	3 ms	10332 KB	Output is correct
7	Correct	3 ms	10332 KB	Output is correct
8	Correct	2 ms	10332 KB	Output is correct
9	Correct	3 ms	10332 KB	Output is correct
10	Correct	3 ms	10332 KB	Output is correct
11	Correct	3 ms	10328 KB	Output is correct
12	Correct	3 ms	10328 KB	Output is correct
13	Correct	3 ms	10332 KB	Output is correct
14	Correct	3 ms	10332 KB	Output is correct
15	Correct	2 ms	10332 KB	Output is correct
16	Correct	3 ms	10332 KB	Output is correct
17	Correct	3 ms	10332 KB	Output is correct
18	Correct	3 ms	10488 KB	Output is correct
19	Correct	3 ms	10332 KB	Output is correct
20	Correct	3 ms	10328 KB	Output is correct

Subtask #2

40.0 / 40.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	10328 KB	Output is correct
2	Correct	2 ms	10332 KB	Output is correct
3	Correct	3 ms	10332 KB	Output is correct
4	Correct	3 ms	10328 KB	Output is correct
5	Correct	3 ms	10328 KB	Output is correct
6	Correct	3 ms	10332 KB	Output is correct
7	Correct	3 ms	10332 KB	Output is correct
8	Correct	2 ms	10332 KB	Output is correct
9	Correct	3 ms	10332 KB	Output is correct
10	Correct	3 ms	10332 KB	Output is correct
11	Correct	3 ms	10328 KB	Output is correct
12	Correct	3 ms	10328 KB	Output is correct
13	Correct	3 ms	10332 KB	Output is correct
14	Correct	3 ms	10332 KB	Output is correct
15	Correct	2 ms	10332 KB	Output is correct
16	Correct	3 ms	10332 KB	Output is correct
17	Correct	3 ms	10332 KB	Output is correct
18	Correct	3 ms	10488 KB	Output is correct
19	Correct	3 ms	10332 KB	Output is correct
20	Correct	3 ms	10328 KB	Output is correct
21	Correct	3 ms	10588 KB	Output is correct
22	Correct	3 ms	10444 KB	Output is correct
23	Correct	3 ms	10332 KB	Output is correct
24	Correct	3 ms	10332 KB	Output is correct
25	Correct	3 ms	10332 KB	Output is correct
26	Correct	3 ms	10328 KB	Output is correct
27	Correct	3 ms	10332 KB	Output is correct
28	Correct	3 ms	10332 KB	Output is correct
29	Correct	3 ms	10552 KB	Output is correct
30	Correct	3 ms	10332 KB	Output is correct
31	Correct	3 ms	10332 KB	Output is correct
32	Correct	4 ms	10332 KB	Output is correct
33	Correct	3 ms	10332 KB	Output is correct
34	Correct	3 ms	10328 KB	Output is correct
35	Correct	3 ms	10332 KB	Output is correct
36	Correct	3 ms	10332 KB	Output is correct
37	Correct	3 ms	10332 KB	Output is correct
38	Correct	3 ms	10332 KB	Output is correct
39	Correct	3 ms	10332 KB	Output is correct
40	Correct	3 ms	10332 KB	Output is correct

Subtask #3

0 / 49.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	10328 KB	Output is correct
2	Correct	2 ms	10332 KB	Output is correct
3	Correct	3 ms	10332 KB	Output is correct
4	Correct	3 ms	10328 KB	Output is correct
5	Correct	3 ms	10328 KB	Output is correct
6	Correct	3 ms	10332 KB	Output is correct
7	Correct	3 ms	10332 KB	Output is correct
8	Correct	2 ms	10332 KB	Output is correct
9	Correct	3 ms	10332 KB	Output is correct
10	Correct	3 ms	10332 KB	Output is correct
11	Correct	3 ms	10328 KB	Output is correct
12	Correct	3 ms	10328 KB	Output is correct
13	Correct	3 ms	10332 KB	Output is correct
14	Correct	3 ms	10332 KB	Output is correct
15	Correct	2 ms	10332 KB	Output is correct
16	Correct	3 ms	10332 KB	Output is correct
17	Correct	3 ms	10332 KB	Output is correct
18	Correct	3 ms	10488 KB	Output is correct
19	Correct	3 ms	10332 KB	Output is correct
20	Correct	3 ms	10328 KB	Output is correct
21	Correct	3 ms	10588 KB	Output is correct
22	Correct	3 ms	10444 KB	Output is correct
23	Correct	3 ms	10332 KB	Output is correct
24	Correct	3 ms	10332 KB	Output is correct
25	Correct	3 ms	10332 KB	Output is correct
26	Correct	3 ms	10328 KB	Output is correct
27	Correct	3 ms	10332 KB	Output is correct
28	Correct	3 ms	10332 KB	Output is correct
29	Correct	3 ms	10552 KB	Output is correct
30	Correct	3 ms	10332 KB	Output is correct
31	Correct	3 ms	10332 KB	Output is correct
32	Correct	4 ms	10332 KB	Output is correct
33	Correct	3 ms	10332 KB	Output is correct
34	Correct	3 ms	10328 KB	Output is correct
35	Correct	3 ms	10332 KB	Output is correct
36	Correct	3 ms	10332 KB	Output is correct
37	Correct	3 ms	10332 KB	Output is correct
38	Correct	3 ms	10332 KB	Output is correct
39	Correct	3 ms	10332 KB	Output is correct
40	Correct	3 ms	10332 KB	Output is correct
41	Execution timed out	1064 ms	17304 KB	Time limit exceeded
42	Halted	0 ms	0 KB	-