#include<bits/stdc++.h>
using namespace std;
int dp[200100][2],hasgen[200100];
vector<int>adj[200100];
void dfs(int n,int p){
int A=-hasgen[n],B=0,C=0;
for(auto i:adj[n]){
if(i==p)continue;
dfs(i,n);
A+=dp[i][1];
B=max(B,dp[i][0]);
C=max(C,dp[i][1]);
}
dp[n][0]=max({hasgen[n]+C,A,B});
dp[n][1]=max(hasgen[n],A);
}
int main(){
cin.tie(0)->sync_with_stdio(0);
int n;
cin>>n;
for(int i=1;i<n;i++){
int a,b;
cin>>a>>b;
adj[a].push_back(b);
adj[b].push_back(a);
}
for(int i=1;i<=n;i++){
char c;
cin>>c;
hasgen[i]=c-48;
}
dfs(1,0);
cout<<dp[1][0];
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
4956 KB |
Output is correct |
2 |
Correct |
2 ms |
4956 KB |
Output is correct |
3 |
Correct |
2 ms |
4956 KB |
Output is correct |
4 |
Correct |
2 ms |
4956 KB |
Output is correct |
5 |
Correct |
2 ms |
4956 KB |
Output is correct |
6 |
Correct |
2 ms |
5128 KB |
Output is correct |
7 |
Correct |
3 ms |
4952 KB |
Output is correct |
8 |
Correct |
2 ms |
4956 KB |
Output is correct |
9 |
Correct |
2 ms |
4956 KB |
Output is correct |
10 |
Correct |
2 ms |
4952 KB |
Output is correct |
11 |
Correct |
2 ms |
4952 KB |
Output is correct |
12 |
Correct |
2 ms |
5100 KB |
Output is correct |
13 |
Correct |
2 ms |
4956 KB |
Output is correct |
14 |
Correct |
2 ms |
4956 KB |
Output is correct |
15 |
Correct |
2 ms |
4952 KB |
Output is correct |
16 |
Correct |
2 ms |
4956 KB |
Output is correct |
17 |
Correct |
2 ms |
5164 KB |
Output is correct |
18 |
Correct |
3 ms |
4956 KB |
Output is correct |
19 |
Correct |
3 ms |
4952 KB |
Output is correct |
20 |
Correct |
2 ms |
4952 KB |
Output is correct |
21 |
Correct |
2 ms |
4956 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
4956 KB |
Output is correct |
2 |
Correct |
2 ms |
4956 KB |
Output is correct |
3 |
Correct |
2 ms |
4956 KB |
Output is correct |
4 |
Correct |
2 ms |
4956 KB |
Output is correct |
5 |
Correct |
2 ms |
4956 KB |
Output is correct |
6 |
Correct |
2 ms |
5128 KB |
Output is correct |
7 |
Correct |
3 ms |
4952 KB |
Output is correct |
8 |
Correct |
2 ms |
4956 KB |
Output is correct |
9 |
Correct |
2 ms |
4956 KB |
Output is correct |
10 |
Correct |
2 ms |
4952 KB |
Output is correct |
11 |
Correct |
2 ms |
4952 KB |
Output is correct |
12 |
Correct |
2 ms |
5100 KB |
Output is correct |
13 |
Correct |
2 ms |
4956 KB |
Output is correct |
14 |
Correct |
2 ms |
4956 KB |
Output is correct |
15 |
Correct |
2 ms |
4952 KB |
Output is correct |
16 |
Correct |
2 ms |
4956 KB |
Output is correct |
17 |
Correct |
2 ms |
5164 KB |
Output is correct |
18 |
Correct |
3 ms |
4956 KB |
Output is correct |
19 |
Correct |
3 ms |
4952 KB |
Output is correct |
20 |
Correct |
2 ms |
4952 KB |
Output is correct |
21 |
Correct |
2 ms |
4956 KB |
Output is correct |
22 |
Correct |
3 ms |
5208 KB |
Output is correct |
23 |
Correct |
2 ms |
5212 KB |
Output is correct |
24 |
Correct |
3 ms |
5136 KB |
Output is correct |
25 |
Correct |
3 ms |
5212 KB |
Output is correct |
26 |
Correct |
3 ms |
5212 KB |
Output is correct |
27 |
Correct |
2 ms |
5176 KB |
Output is correct |
28 |
Correct |
3 ms |
5212 KB |
Output is correct |
29 |
Correct |
3 ms |
5424 KB |
Output is correct |
30 |
Correct |
3 ms |
5212 KB |
Output is correct |
31 |
Correct |
2 ms |
5212 KB |
Output is correct |
32 |
Correct |
3 ms |
5212 KB |
Output is correct |
33 |
Correct |
3 ms |
5212 KB |
Output is correct |
34 |
Correct |
2 ms |
5212 KB |
Output is correct |
35 |
Correct |
3 ms |
5464 KB |
Output is correct |
36 |
Correct |
3 ms |
5212 KB |
Output is correct |
37 |
Correct |
2 ms |
5212 KB |
Output is correct |
38 |
Correct |
3 ms |
5212 KB |
Output is correct |
39 |
Correct |
2 ms |
5212 KB |
Output is correct |
40 |
Correct |
3 ms |
5212 KB |
Output is correct |
41 |
Correct |
2 ms |
5212 KB |
Output is correct |
42 |
Correct |
3 ms |
5208 KB |
Output is correct |
43 |
Correct |
3 ms |
5212 KB |
Output is correct |
44 |
Correct |
3 ms |
5208 KB |
Output is correct |
45 |
Correct |
4 ms |
5212 KB |
Output is correct |
46 |
Correct |
3 ms |
5212 KB |
Output is correct |
47 |
Correct |
3 ms |
5212 KB |
Output is correct |
48 |
Correct |
3 ms |
5208 KB |
Output is correct |
49 |
Correct |
3 ms |
5208 KB |
Output is correct |
50 |
Correct |
3 ms |
5464 KB |
Output is correct |
51 |
Correct |
3 ms |
5212 KB |
Output is correct |
52 |
Correct |
3 ms |
5212 KB |
Output is correct |
53 |
Correct |
3 ms |
5212 KB |
Output is correct |
54 |
Correct |
3 ms |
5212 KB |
Output is correct |
55 |
Correct |
2 ms |
5212 KB |
Output is correct |
56 |
Correct |
3 ms |
5212 KB |
Output is correct |
57 |
Correct |
3 ms |
5212 KB |
Output is correct |
58 |
Correct |
3 ms |
5208 KB |
Output is correct |
59 |
Correct |
3 ms |
5208 KB |
Output is correct |
60 |
Correct |
3 ms |
5212 KB |
Output is correct |
61 |
Correct |
2 ms |
5208 KB |
Output is correct |
62 |
Correct |
2 ms |
5208 KB |
Output is correct |
63 |
Correct |
2 ms |
5212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
4956 KB |
Output is correct |
2 |
Correct |
2 ms |
4956 KB |
Output is correct |
3 |
Correct |
2 ms |
4956 KB |
Output is correct |
4 |
Correct |
2 ms |
4956 KB |
Output is correct |
5 |
Correct |
2 ms |
4956 KB |
Output is correct |
6 |
Correct |
2 ms |
5128 KB |
Output is correct |
7 |
Correct |
3 ms |
4952 KB |
Output is correct |
8 |
Correct |
2 ms |
4956 KB |
Output is correct |
9 |
Correct |
2 ms |
4956 KB |
Output is correct |
10 |
Correct |
2 ms |
4952 KB |
Output is correct |
11 |
Correct |
2 ms |
4952 KB |
Output is correct |
12 |
Correct |
2 ms |
5100 KB |
Output is correct |
13 |
Correct |
2 ms |
4956 KB |
Output is correct |
14 |
Correct |
2 ms |
4956 KB |
Output is correct |
15 |
Correct |
2 ms |
4952 KB |
Output is correct |
16 |
Correct |
2 ms |
4956 KB |
Output is correct |
17 |
Correct |
2 ms |
5164 KB |
Output is correct |
18 |
Correct |
3 ms |
4956 KB |
Output is correct |
19 |
Correct |
3 ms |
4952 KB |
Output is correct |
20 |
Correct |
2 ms |
4952 KB |
Output is correct |
21 |
Correct |
2 ms |
4956 KB |
Output is correct |
22 |
Correct |
3 ms |
5208 KB |
Output is correct |
23 |
Correct |
2 ms |
5212 KB |
Output is correct |
24 |
Correct |
3 ms |
5136 KB |
Output is correct |
25 |
Correct |
3 ms |
5212 KB |
Output is correct |
26 |
Correct |
3 ms |
5212 KB |
Output is correct |
27 |
Correct |
2 ms |
5176 KB |
Output is correct |
28 |
Correct |
3 ms |
5212 KB |
Output is correct |
29 |
Correct |
3 ms |
5424 KB |
Output is correct |
30 |
Correct |
3 ms |
5212 KB |
Output is correct |
31 |
Correct |
2 ms |
5212 KB |
Output is correct |
32 |
Correct |
3 ms |
5212 KB |
Output is correct |
33 |
Correct |
3 ms |
5212 KB |
Output is correct |
34 |
Correct |
2 ms |
5212 KB |
Output is correct |
35 |
Correct |
3 ms |
5464 KB |
Output is correct |
36 |
Correct |
3 ms |
5212 KB |
Output is correct |
37 |
Correct |
2 ms |
5212 KB |
Output is correct |
38 |
Correct |
3 ms |
5212 KB |
Output is correct |
39 |
Correct |
2 ms |
5212 KB |
Output is correct |
40 |
Correct |
3 ms |
5212 KB |
Output is correct |
41 |
Correct |
2 ms |
5212 KB |
Output is correct |
42 |
Correct |
3 ms |
5208 KB |
Output is correct |
43 |
Correct |
3 ms |
5212 KB |
Output is correct |
44 |
Correct |
3 ms |
5208 KB |
Output is correct |
45 |
Correct |
4 ms |
5212 KB |
Output is correct |
46 |
Correct |
3 ms |
5212 KB |
Output is correct |
47 |
Correct |
3 ms |
5212 KB |
Output is correct |
48 |
Correct |
3 ms |
5208 KB |
Output is correct |
49 |
Correct |
3 ms |
5208 KB |
Output is correct |
50 |
Correct |
3 ms |
5464 KB |
Output is correct |
51 |
Correct |
3 ms |
5212 KB |
Output is correct |
52 |
Correct |
3 ms |
5212 KB |
Output is correct |
53 |
Correct |
3 ms |
5212 KB |
Output is correct |
54 |
Correct |
3 ms |
5212 KB |
Output is correct |
55 |
Correct |
2 ms |
5212 KB |
Output is correct |
56 |
Correct |
3 ms |
5212 KB |
Output is correct |
57 |
Correct |
3 ms |
5212 KB |
Output is correct |
58 |
Correct |
3 ms |
5208 KB |
Output is correct |
59 |
Correct |
3 ms |
5208 KB |
Output is correct |
60 |
Correct |
3 ms |
5212 KB |
Output is correct |
61 |
Correct |
2 ms |
5208 KB |
Output is correct |
62 |
Correct |
2 ms |
5208 KB |
Output is correct |
63 |
Correct |
2 ms |
5212 KB |
Output is correct |
64 |
Correct |
64 ms |
16464 KB |
Output is correct |
65 |
Correct |
64 ms |
16464 KB |
Output is correct |
66 |
Correct |
65 ms |
16468 KB |
Output is correct |
67 |
Correct |
63 ms |
16432 KB |
Output is correct |
68 |
Correct |
64 ms |
16464 KB |
Output is correct |
69 |
Correct |
62 ms |
16468 KB |
Output is correct |
70 |
Correct |
59 ms |
16468 KB |
Output is correct |
71 |
Correct |
57 ms |
16720 KB |
Output is correct |
72 |
Correct |
65 ms |
16348 KB |
Output is correct |
73 |
Correct |
97 ms |
31692 KB |
Output is correct |
74 |
Correct |
78 ms |
31568 KB |
Output is correct |
75 |
Correct |
96 ms |
16464 KB |
Output is correct |
76 |
Correct |
63 ms |
16240 KB |
Output is correct |
77 |
Correct |
63 ms |
16468 KB |
Output is correct |
78 |
Correct |
84 ms |
16468 KB |
Output is correct |
79 |
Correct |
65 ms |
16212 KB |
Output is correct |
80 |
Correct |
63 ms |
16468 KB |
Output is correct |
81 |
Correct |
58 ms |
16796 KB |
Output is correct |
82 |
Correct |
59 ms |
16588 KB |
Output is correct |
83 |
Correct |
68 ms |
22532 KB |
Output is correct |
84 |
Correct |
90 ms |
25168 KB |
Output is correct |
85 |
Correct |
69 ms |
24660 KB |
Output is correct |
86 |
Correct |
63 ms |
18092 KB |
Output is correct |
87 |
Correct |
63 ms |
17496 KB |
Output is correct |
88 |
Correct |
63 ms |
17832 KB |
Output is correct |
89 |
Correct |
64 ms |
17956 KB |
Output is correct |
90 |
Correct |
81 ms |
17488 KB |
Output is correct |
91 |
Correct |
69 ms |
17748 KB |
Output is correct |
92 |
Correct |
73 ms |
18256 KB |
Output is correct |
93 |
Correct |
69 ms |
21196 KB |
Output is correct |
94 |
Correct |
61 ms |
23116 KB |
Output is correct |
95 |
Correct |
60 ms |
21708 KB |
Output is correct |
96 |
Correct |
62 ms |
19536 KB |
Output is correct |
97 |
Correct |
63 ms |
17772 KB |
Output is correct |
98 |
Correct |
70 ms |
17136 KB |
Output is correct |
99 |
Correct |
62 ms |
16928 KB |
Output is correct |
100 |
Correct |
62 ms |
20564 KB |
Output is correct |
101 |
Correct |
61 ms |
18260 KB |
Output is correct |
102 |
Correct |
64 ms |
17236 KB |
Output is correct |
103 |
Correct |
81 ms |
17024 KB |
Output is correct |
104 |
Correct |
44 ms |
17352 KB |
Output is correct |
105 |
Correct |
76 ms |
27868 KB |
Output is correct |
106 |
Correct |
60 ms |
17096 KB |
Output is correct |
107 |
Correct |
52 ms |
17092 KB |
Output is correct |
108 |
Correct |
85 ms |
32604 KB |
Output is correct |
109 |
Correct |
43 ms |
17320 KB |
Output is correct |
110 |
Correct |
76 ms |
32848 KB |
Output is correct |
111 |
Correct |
64 ms |
16464 KB |
Output is correct |