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Submission #568057

# Submission time Handle Problem Language Result Execution time Memory
568057 2022-05-24T14:50:30 Z fadi57 Power Plant (JOI20_power) C++14
47 / 100
 1500 ms 15988 KB 
#include<bits/stdc++.h>
using namespace std;
const int mx=2e5+5;
vector<int>adj[mx];
int mark[mx];
int ans;
int dp[mx];
 void dfs(int node,int par){

     int sum=0;
     int maxi=0;
    for(auto it:adj[node]){
        if(it!=par){
            dfs(it,node);
            sum+=dp[it];
            maxi=max(maxi,dp[it]);
        }

    }
 if(node==par){
    ans=max(maxi+1,ans);
 }
    if(mark[node]){

        dp[node]=max(sum-1,1);

    }else{
      dp[node]=sum;
    }
ans=max(ans,dp[node]);

}
int main(){
int n;cin>>n;
 for(int i=0;i<n-1;i++){
        int x,y;
    cin>>x>>y;
    x--;y--;
    adj[x].push_back(y); adj[y].push_back(x);
 }
string x;cin>>x;
  for(int i=0;i<n;i++){
    mark[i]=(x[i]=='1');
  }
  for(int i=0;i<n;i++){
    if(mark[i]){

        dfs(i,i);
    }
  }
  cout<<ans;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 4 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 5004 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 5000 KB Output is correct
15 Correct 3 ms 5000 KB Output is correct
16 Correct 3 ms 5004 KB Output is correct
17 Correct 3 ms 5004 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 4 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 4 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 5004 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 5000 KB Output is correct
15 Correct 3 ms 5000 KB Output is correct
16 Correct 3 ms 5004 KB Output is correct
17 Correct 3 ms 5004 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 4 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 75 ms 5016 KB Output is correct
23 Correct 68 ms 5096 KB Output is correct
24 Correct 63 ms 5196 KB Output is correct
25 Correct 40 ms 5092 KB Output is correct
26 Correct 23 ms 5076 KB Output is correct
27 Correct 11 ms 5076 KB Output is correct
28 Correct 4 ms 5076 KB Output is correct
29 Correct 92 ms 5276 KB Output is correct
30 Correct 53 ms 5280 KB Output is correct
31 Correct 68 ms 5088 KB Output is correct
32 Correct 38 ms 5076 KB Output is correct
33 Correct 65 ms 5076 KB Output is correct
34 Correct 41 ms 5088 KB Output is correct
35 Correct 23 ms 5076 KB Output is correct
36 Correct 11 ms 5076 KB Output is correct
37 Correct 51 ms 5012 KB Output is correct
38 Correct 42 ms 5076 KB Output is correct
39 Correct 82 ms 5196 KB Output is correct
40 Correct 48 ms 5200 KB Output is correct
41 Correct 26 ms 5184 KB Output is correct
42 Correct 45 ms 5072 KB Output is correct
43 Correct 14 ms 5156 KB Output is correct
44 Correct 66 ms 5136 KB Output is correct
45 Correct 56 ms 5204 KB Output is correct
46 Correct 35 ms 5076 KB Output is correct
47 Correct 21 ms 5076 KB Output is correct
48 Correct 59 ms 5204 KB Output is correct
49 Correct 58 ms 5076 KB Output is correct
50 Correct 59 ms 5160 KB Output is correct
51 Correct 78 ms 5140 KB Output is correct
52 Correct 60 ms 5076 KB Output is correct
53 Correct 50 ms 5076 KB Output is correct
54 Correct 58 ms 5140 KB Output is correct
55 Correct 60 ms 5112 KB Output is correct
56 Correct 4 ms 5016 KB Output is correct
57 Correct 4 ms 5204 KB Output is correct
58 Correct 34 ms 5012 KB Output is correct
59 Correct 33 ms 5104 KB Output is correct
60 Correct 4 ms 5204 KB Output is correct
61 Correct 4 ms 5076 KB Output is correct
62 Correct 6 ms 5276 KB Output is correct
63 Correct 57 ms 5100 KB Output is correct

Subtask #3
0.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 4 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 5004 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 5000 KB Output is correct
15 Correct 3 ms 5000 KB Output is correct
16 Correct 3 ms 5004 KB Output is correct
17 Correct 3 ms 5004 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 4 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 75 ms 5016 KB Output is correct
23 Correct 68 ms 5096 KB Output is correct
24 Correct 63 ms 5196 KB Output is correct
25 Correct 40 ms 5092 KB Output is correct
26 Correct 23 ms 5076 KB Output is correct
27 Correct 11 ms 5076 KB Output is correct
28 Correct 4 ms 5076 KB Output is correct
29 Correct 92 ms 5276 KB Output is correct
30 Correct 53 ms 5280 KB Output is correct
31 Correct 68 ms 5088 KB Output is correct
32 Correct 38 ms 5076 KB Output is correct
33 Correct 65 ms 5076 KB Output is correct
34 Correct 41 ms 5088 KB Output is correct
35 Correct 23 ms 5076 KB Output is correct
36 Correct 11 ms 5076 KB Output is correct
37 Correct 51 ms 5012 KB Output is correct
38 Correct 42 ms 5076 KB Output is correct
39 Correct 82 ms 5196 KB Output is correct
40 Correct 48 ms 5200 KB Output is correct
41 Correct 26 ms 5184 KB Output is correct
42 Correct 45 ms 5072 KB Output is correct
43 Correct 14 ms 5156 KB Output is correct
44 Correct 66 ms 5136 KB Output is correct
45 Correct 56 ms 5204 KB Output is correct
46 Correct 35 ms 5076 KB Output is correct
47 Correct 21 ms 5076 KB Output is correct
48 Correct 59 ms 5204 KB Output is correct
49 Correct 58 ms 5076 KB Output is correct
50 Correct 59 ms 5160 KB Output is correct
51 Correct 78 ms 5140 KB Output is correct
52 Correct 60 ms 5076 KB Output is correct
53 Correct 50 ms 5076 KB Output is correct
54 Correct 58 ms 5140 KB Output is correct
55 Correct 60 ms 5112 KB Output is correct
56 Correct 4 ms 5016 KB Output is correct
57 Correct 4 ms 5204 KB Output is correct
58 Correct 34 ms 5012 KB Output is correct
59 Correct 33 ms 5104 KB Output is correct
60 Correct 4 ms 5204 KB Output is correct
61 Correct 4 ms 5076 KB Output is correct
62 Correct 6 ms 5276 KB Output is correct
63 Correct 57 ms 5100 KB Output is correct
64 Execution timed out 1578 ms 15988 KB Time limit exceeded
65 Halted 0 ms 0 KB -