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Submission #535915

# Submission time Handle Problem Language Result Execution time Memory
535915 2022-03-11T19:52:13 Z groshi Cat in a tree (BOI17_catinatree) C++17
51 / 100
 1000 ms 15364 KB 
#include<iostream>
#include<vector>
#include<algorithm>
#include<utility>
using namespace std;
struct wi{
    vector<int> Q;
    int gdzie=0;
}*w;
int moge[1000000];
bool utnij[1000000];
void dfs(int x,int ile)
{
    moge[x]=ile;
    if(ile==1)
        return;
    for(int i=0;i<w[x].Q.size();i++)
    {
        int pom=w[x].Q[i];
        if(utnij[w[pom].gdzie]==0 && moge[pom]<ile)
            dfs(pom,ile-1);
    }
}
int main()
{
    cin.tie(0);
    cout.tie(0);
    ios_base::sync_with_stdio(0);
    int n,d,x;
    cin>>n>>d;
    w=new wi[n+3];
    vector<pair<int,int> > mam;
    mam.push_back({0,0});
    for(int i=1;i<n;i++)
    {
        cin>>x;
        w[i].gdzie=w[x].gdzie+1;
        w[i].Q.push_back(x);
        w[x].Q.push_back(i);
        mam.push_back({w[i].gdzie,i});
    }
    sort(mam.begin(),mam.end());
    int wynik=0;
    mam.push_back({-1,-1});
    for(int i=mam.size()-2;i>=0;i--)
    {
        int jestem=mam[i].second;
        if(mam[i].first<mam[i+1].first)
            utnij[mam[i+1].first]=1;
        if(moge[jestem]==0)
        {
            dfs(jestem,d);
            wynik++;
        }
    }
    cout<<wynik;
    return 0;
}

Compilation message

catinatree.cpp: In function 'void dfs(int, int)':
catinatree.cpp:17:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |     for(int i=0;i<w[x].Q.size();i++)
      |                 ~^~~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 324 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 324 KB Output is correct
20 Correct 0 ms 324 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 324 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 324 KB Output is correct
20 Correct 0 ms 324 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 324 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 2 ms 340 KB Output is correct
33 Correct 1 ms 468 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 452 KB Output is correct
36 Correct 1 ms 468 KB Output is correct
37 Correct 1 ms 468 KB Output is correct
38 Correct 1 ms 464 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 460 KB Output is correct

Subtask #3
0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 324 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 324 KB Output is correct
20 Correct 0 ms 324 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 324 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 2 ms 340 KB Output is correct
33 Correct 1 ms 468 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 452 KB Output is correct
36 Correct 1 ms 468 KB Output is correct
37 Correct 1 ms 468 KB Output is correct
38 Correct 1 ms 464 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 460 KB Output is correct
41 Execution timed out 1087 ms 15364 KB Time limit exceeded
42 Halted 0 ms 0 KB -