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Submission #924544

# Submission time Handle Problem Language Result Execution time Memory
924544 2024-02-09T07:33:11 Z UmairAhmadMirza Railway (BOI17_railway) C++17
23 / 100
 69 ms 81240 KB 
#include <bits/stdc++.h>
using namespace std;
int const N=10005;
int const M=2005;
vector<int> adj[N];
int cnt[N][M];
int sz[M];
vector<int> ans;
int n,m,k;
map<pair<int,int>,int> mp;
void dfs(int node,int par){
  for(auto i:adj[node])
    if(i!=par){
      dfs(i,node);
      for(int j=0;j<m;j++)
        cnt[node][j]+=cnt[i][j];
    }
  int p=0;
  for(int j=0;j<m;j++)
    if(cnt[node][j]<sz[j] && cnt[node][j]>0)
      p++;
  if(p>=k && par!=-1)
    ans.push_back(mp[{par,node}]);
}
int main(){
  cin>>n>>m>>k;
  for(int i=0;i<n-1;i++){
    int a,b;
    cin>>a>>b;
    mp[{a,b}]=i+1;
    mp[{b,a}]=i+1;
    adj[a].push_back(b);
    adj[b].push_back(a);
  }
  for(int i=0;i<m;i++){
    cin>>sz[i];
    for(int j=0;j<sz[i];j++){
      int a;
      cin>>a;
      cnt[a][i]++;
    }
  }
  dfs(1,-1);
  cout<<ans.size()<<endl;
  sort(ans.begin(),ans.end());
  for(auto i:ans)
    cout<<i<<' ';
  cout<<endl;
  return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 39 ms 80212 KB Output is correct
3 Correct 24 ms 80248 KB Output is correct
4 Correct 1 ms 600 KB Output is correct
5 Correct 0 ms 604 KB Output is correct
6 Correct 28 ms 80988 KB Output is correct
7 Correct 22 ms 80736 KB Output is correct
8 Correct 30 ms 80444 KB Output is correct
9 Correct 33 ms 80468 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 0 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 39 ms 80212 KB Output is correct
3 Correct 24 ms 80248 KB Output is correct
4 Correct 1 ms 600 KB Output is correct
5 Correct 0 ms 604 KB Output is correct
6 Correct 28 ms 80988 KB Output is correct
7 Correct 22 ms 80736 KB Output is correct
8 Correct 30 ms 80444 KB Output is correct
9 Correct 33 ms 80468 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 0 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 55 ms 81000 KB Output is correct
16 Correct 69 ms 80988 KB Output is correct
17 Correct 60 ms 80980 KB Output is correct
18 Correct 47 ms 80980 KB Output is correct
19 Correct 35 ms 80476 KB Output is correct
20 Correct 57 ms 81240 KB Output is correct
21 Correct 55 ms 81208 KB Output is correct
22 Correct 0 ms 600 KB Output is correct
23 Correct 23 ms 80220 KB Output is correct
24 Correct 23 ms 80216 KB Output is correct
25 Correct 1 ms 600 KB Output is correct
26 Correct 1 ms 604 KB Output is correct
27 Correct 28 ms 81020 KB Output is correct
28 Correct 22 ms 80488 KB Output is correct
29 Correct 31 ms 80220 KB Output is correct
30 Correct 32 ms 80476 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 1 ms 604 KB Output is correct
33 Correct 0 ms 604 KB Output is correct
34 Correct 0 ms 604 KB Output is correct
35 Correct 1 ms 604 KB Output is correct

Subtask #3
0 / 7.0

# Verdict Execution time Memory Grader output
1 Runtime error 10 ms 4204 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 856 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
0 / 16.0

# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 856 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #6
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 39 ms 80212 KB Output is correct
3 Correct 24 ms 80248 KB Output is correct
4 Correct 1 ms 600 KB Output is correct
5 Correct 0 ms 604 KB Output is correct
6 Correct 28 ms 80988 KB Output is correct
7 Correct 22 ms 80736 KB Output is correct
8 Correct 30 ms 80444 KB Output is correct
9 Correct 33 ms 80468 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 0 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 55 ms 81000 KB Output is correct
16 Correct 69 ms 80988 KB Output is correct
17 Correct 60 ms 80980 KB Output is correct
18 Correct 47 ms 80980 KB Output is correct
19 Correct 35 ms 80476 KB Output is correct
20 Correct 57 ms 81240 KB Output is correct
21 Correct 55 ms 81208 KB Output is correct
22 Correct 0 ms 600 KB Output is correct
23 Correct 23 ms 80220 KB Output is correct
24 Correct 23 ms 80216 KB Output is correct
25 Correct 1 ms 600 KB Output is correct
26 Correct 1 ms 604 KB Output is correct
27 Correct 28 ms 81020 KB Output is correct
28 Correct 22 ms 80488 KB Output is correct
29 Correct 31 ms 80220 KB Output is correct
30 Correct 32 ms 80476 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 1 ms 604 KB Output is correct
33 Correct 0 ms 604 KB Output is correct
34 Correct 0 ms 604 KB Output is correct
35 Correct 1 ms 604 KB Output is correct
36 Runtime error 10 ms 4204 KB Execution killed with signal 11
37 Halted 0 ms 0 KB -