#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(mark[node]){
ans=max(ans,maxi+1);
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);
}
}*/
dfs(0,-1);
cout<<ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4948 KB |
Output is correct |
2 |
Correct |
2 ms |
4948 KB |
Output is correct |
3 |
Correct |
3 ms |
4948 KB |
Output is correct |
4 |
Correct |
3 ms |
4948 KB |
Output is correct |
5 |
Correct |
3 ms |
4948 KB |
Output is correct |
6 |
Correct |
2 ms |
4948 KB |
Output is correct |
7 |
Correct |
2 ms |
4948 KB |
Output is correct |
8 |
Correct |
3 ms |
4948 KB |
Output is correct |
9 |
Correct |
4 ms |
4948 KB |
Output is correct |
10 |
Correct |
3 ms |
4948 KB |
Output is correct |
11 |
Correct |
2 ms |
4948 KB |
Output is correct |
12 |
Correct |
2 ms |
4948 KB |
Output is correct |
13 |
Correct |
2 ms |
4948 KB |
Output is correct |
14 |
Correct |
4 ms |
4948 KB |
Output is correct |
15 |
Correct |
4 ms |
4948 KB |
Output is correct |
16 |
Correct |
3 ms |
4948 KB |
Output is correct |
17 |
Correct |
3 ms |
4948 KB |
Output is correct |
18 |
Correct |
4 ms |
4948 KB |
Output is correct |
19 |
Correct |
3 ms |
4948 KB |
Output is correct |
20 |
Correct |
3 ms |
4948 KB |
Output is correct |
21 |
Correct |
2 ms |
4948 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4948 KB |
Output is correct |
2 |
Correct |
2 ms |
4948 KB |
Output is correct |
3 |
Correct |
3 ms |
4948 KB |
Output is correct |
4 |
Correct |
3 ms |
4948 KB |
Output is correct |
5 |
Correct |
3 ms |
4948 KB |
Output is correct |
6 |
Correct |
2 ms |
4948 KB |
Output is correct |
7 |
Correct |
2 ms |
4948 KB |
Output is correct |
8 |
Correct |
3 ms |
4948 KB |
Output is correct |
9 |
Correct |
4 ms |
4948 KB |
Output is correct |
10 |
Correct |
3 ms |
4948 KB |
Output is correct |
11 |
Correct |
2 ms |
4948 KB |
Output is correct |
12 |
Correct |
2 ms |
4948 KB |
Output is correct |
13 |
Correct |
2 ms |
4948 KB |
Output is correct |
14 |
Correct |
4 ms |
4948 KB |
Output is correct |
15 |
Correct |
4 ms |
4948 KB |
Output is correct |
16 |
Correct |
3 ms |
4948 KB |
Output is correct |
17 |
Correct |
3 ms |
4948 KB |
Output is correct |
18 |
Correct |
4 ms |
4948 KB |
Output is correct |
19 |
Correct |
3 ms |
4948 KB |
Output is correct |
20 |
Correct |
3 ms |
4948 KB |
Output is correct |
21 |
Correct |
2 ms |
4948 KB |
Output is correct |
22 |
Correct |
4 ms |
5076 KB |
Output is correct |
23 |
Correct |
4 ms |
5076 KB |
Output is correct |
24 |
Correct |
4 ms |
5076 KB |
Output is correct |
25 |
Correct |
4 ms |
5076 KB |
Output is correct |
26 |
Correct |
4 ms |
5076 KB |
Output is correct |
27 |
Correct |
4 ms |
5076 KB |
Output is correct |
28 |
Correct |
4 ms |
5076 KB |
Output is correct |
29 |
Correct |
4 ms |
5204 KB |
Output is correct |
30 |
Correct |
4 ms |
5204 KB |
Output is correct |
31 |
Correct |
5 ms |
5076 KB |
Output is correct |
32 |
Correct |
4 ms |
5076 KB |
Output is correct |
33 |
Correct |
4 ms |
5076 KB |
Output is correct |
34 |
Correct |
4 ms |
5076 KB |
Output is correct |
35 |
Correct |
4 ms |
5076 KB |
Output is correct |
36 |
Correct |
4 ms |
5076 KB |
Output is correct |
37 |
Correct |
4 ms |
5076 KB |
Output is correct |
38 |
Correct |
4 ms |
5076 KB |
Output is correct |
39 |
Correct |
4 ms |
5076 KB |
Output is correct |
40 |
Correct |
4 ms |
5076 KB |
Output is correct |
41 |
Correct |
4 ms |
5076 KB |
Output is correct |
42 |
Correct |
4 ms |
5076 KB |
Output is correct |
43 |
Correct |
4 ms |
5076 KB |
Output is correct |
44 |
Correct |
4 ms |
5076 KB |
Output is correct |
45 |
Correct |
4 ms |
5076 KB |
Output is correct |
46 |
Correct |
5 ms |
5076 KB |
Output is correct |
47 |
Correct |
4 ms |
5076 KB |
Output is correct |
48 |
Correct |
4 ms |
5076 KB |
Output is correct |
49 |
Correct |
6 ms |
5188 KB |
Output is correct |
50 |
Correct |
5 ms |
5076 KB |
Output is correct |
51 |
Correct |
4 ms |
5076 KB |
Output is correct |
52 |
Correct |
4 ms |
5076 KB |
Output is correct |
53 |
Correct |
4 ms |
5072 KB |
Output is correct |
54 |
Correct |
4 ms |
5076 KB |
Output is correct |
55 |
Correct |
4 ms |
5076 KB |
Output is correct |
56 |
Correct |
3 ms |
5076 KB |
Output is correct |
57 |
Correct |
4 ms |
5204 KB |
Output is correct |
58 |
Correct |
3 ms |
5076 KB |
Output is correct |
59 |
Correct |
4 ms |
5076 KB |
Output is correct |
60 |
Correct |
4 ms |
5076 KB |
Output is correct |
61 |
Correct |
4 ms |
5076 KB |
Output is correct |
62 |
Correct |
4 ms |
5204 KB |
Output is correct |
63 |
Correct |
4 ms |
4984 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4948 KB |
Output is correct |
2 |
Correct |
2 ms |
4948 KB |
Output is correct |
3 |
Correct |
3 ms |
4948 KB |
Output is correct |
4 |
Correct |
3 ms |
4948 KB |
Output is correct |
5 |
Correct |
3 ms |
4948 KB |
Output is correct |
6 |
Correct |
2 ms |
4948 KB |
Output is correct |
7 |
Correct |
2 ms |
4948 KB |
Output is correct |
8 |
Correct |
3 ms |
4948 KB |
Output is correct |
9 |
Correct |
4 ms |
4948 KB |
Output is correct |
10 |
Correct |
3 ms |
4948 KB |
Output is correct |
11 |
Correct |
2 ms |
4948 KB |
Output is correct |
12 |
Correct |
2 ms |
4948 KB |
Output is correct |
13 |
Correct |
2 ms |
4948 KB |
Output is correct |
14 |
Correct |
4 ms |
4948 KB |
Output is correct |
15 |
Correct |
4 ms |
4948 KB |
Output is correct |
16 |
Correct |
3 ms |
4948 KB |
Output is correct |
17 |
Correct |
3 ms |
4948 KB |
Output is correct |
18 |
Correct |
4 ms |
4948 KB |
Output is correct |
19 |
Correct |
3 ms |
4948 KB |
Output is correct |
20 |
Correct |
3 ms |
4948 KB |
Output is correct |
21 |
Correct |
2 ms |
4948 KB |
Output is correct |
22 |
Correct |
4 ms |
5076 KB |
Output is correct |
23 |
Correct |
4 ms |
5076 KB |
Output is correct |
24 |
Correct |
4 ms |
5076 KB |
Output is correct |
25 |
Correct |
4 ms |
5076 KB |
Output is correct |
26 |
Correct |
4 ms |
5076 KB |
Output is correct |
27 |
Correct |
4 ms |
5076 KB |
Output is correct |
28 |
Correct |
4 ms |
5076 KB |
Output is correct |
29 |
Correct |
4 ms |
5204 KB |
Output is correct |
30 |
Correct |
4 ms |
5204 KB |
Output is correct |
31 |
Correct |
5 ms |
5076 KB |
Output is correct |
32 |
Correct |
4 ms |
5076 KB |
Output is correct |
33 |
Correct |
4 ms |
5076 KB |
Output is correct |
34 |
Correct |
4 ms |
5076 KB |
Output is correct |
35 |
Correct |
4 ms |
5076 KB |
Output is correct |
36 |
Correct |
4 ms |
5076 KB |
Output is correct |
37 |
Correct |
4 ms |
5076 KB |
Output is correct |
38 |
Correct |
4 ms |
5076 KB |
Output is correct |
39 |
Correct |
4 ms |
5076 KB |
Output is correct |
40 |
Correct |
4 ms |
5076 KB |
Output is correct |
41 |
Correct |
4 ms |
5076 KB |
Output is correct |
42 |
Correct |
4 ms |
5076 KB |
Output is correct |
43 |
Correct |
4 ms |
5076 KB |
Output is correct |
44 |
Correct |
4 ms |
5076 KB |
Output is correct |
45 |
Correct |
4 ms |
5076 KB |
Output is correct |
46 |
Correct |
5 ms |
5076 KB |
Output is correct |
47 |
Correct |
4 ms |
5076 KB |
Output is correct |
48 |
Correct |
4 ms |
5076 KB |
Output is correct |
49 |
Correct |
6 ms |
5188 KB |
Output is correct |
50 |
Correct |
5 ms |
5076 KB |
Output is correct |
51 |
Correct |
4 ms |
5076 KB |
Output is correct |
52 |
Correct |
4 ms |
5076 KB |
Output is correct |
53 |
Correct |
4 ms |
5072 KB |
Output is correct |
54 |
Correct |
4 ms |
5076 KB |
Output is correct |
55 |
Correct |
4 ms |
5076 KB |
Output is correct |
56 |
Correct |
3 ms |
5076 KB |
Output is correct |
57 |
Correct |
4 ms |
5204 KB |
Output is correct |
58 |
Correct |
3 ms |
5076 KB |
Output is correct |
59 |
Correct |
4 ms |
5076 KB |
Output is correct |
60 |
Correct |
4 ms |
5076 KB |
Output is correct |
61 |
Correct |
4 ms |
5076 KB |
Output is correct |
62 |
Correct |
4 ms |
5204 KB |
Output is correct |
63 |
Correct |
4 ms |
4984 KB |
Output is correct |
64 |
Correct |
268 ms |
13204 KB |
Output is correct |
65 |
Correct |
196 ms |
15976 KB |
Output is correct |
66 |
Correct |
200 ms |
15868 KB |
Output is correct |
67 |
Correct |
225 ms |
15964 KB |
Output is correct |
68 |
Correct |
203 ms |
15896 KB |
Output is correct |
69 |
Correct |
203 ms |
15884 KB |
Output is correct |
70 |
Correct |
254 ms |
15860 KB |
Output is correct |
71 |
Correct |
195 ms |
16056 KB |
Output is correct |
72 |
Correct |
209 ms |
15984 KB |
Output is correct |
73 |
Correct |
297 ms |
31124 KB |
Output is correct |
74 |
Correct |
213 ms |
31180 KB |
Output is correct |
75 |
Correct |
239 ms |
15836 KB |
Output is correct |
76 |
Correct |
200 ms |
15792 KB |
Output is correct |
77 |
Correct |
200 ms |
15752 KB |
Output is correct |
78 |
Correct |
220 ms |
15808 KB |
Output is correct |
79 |
Correct |
228 ms |
15756 KB |
Output is correct |
80 |
Correct |
199 ms |
15744 KB |
Output is correct |
81 |
Correct |
179 ms |
16304 KB |
Output is correct |
82 |
Correct |
207 ms |
16212 KB |
Output is correct |
83 |
Correct |
239 ms |
22060 KB |
Output is correct |
84 |
Correct |
216 ms |
24572 KB |
Output is correct |
85 |
Correct |
252 ms |
24440 KB |
Output is correct |
86 |
Correct |
235 ms |
17568 KB |
Output is correct |
87 |
Correct |
213 ms |
16924 KB |
Output is correct |
88 |
Correct |
228 ms |
17304 KB |
Output is correct |
89 |
Correct |
190 ms |
17248 KB |
Output is correct |
90 |
Correct |
215 ms |
17072 KB |
Output is correct |
91 |
Correct |
219 ms |
17444 KB |
Output is correct |
92 |
Correct |
195 ms |
17656 KB |
Output is correct |
93 |
Correct |
229 ms |
20540 KB |
Output is correct |
94 |
Correct |
212 ms |
22756 KB |
Output is correct |
95 |
Correct |
206 ms |
21228 KB |
Output is correct |
96 |
Correct |
207 ms |
19032 KB |
Output is correct |
97 |
Correct |
206 ms |
17064 KB |
Output is correct |
98 |
Correct |
216 ms |
16512 KB |
Output is correct |
99 |
Correct |
196 ms |
16280 KB |
Output is correct |
100 |
Correct |
268 ms |
20120 KB |
Output is correct |
101 |
Correct |
208 ms |
17776 KB |
Output is correct |
102 |
Correct |
211 ms |
16716 KB |
Output is correct |
103 |
Correct |
244 ms |
16540 KB |
Output is correct |
104 |
Correct |
167 ms |
16840 KB |
Output is correct |
105 |
Correct |
231 ms |
27236 KB |
Output is correct |
106 |
Correct |
146 ms |
16592 KB |
Output is correct |
107 |
Correct |
168 ms |
16680 KB |
Output is correct |
108 |
Correct |
265 ms |
31912 KB |
Output is correct |
109 |
Correct |
152 ms |
16828 KB |
Output is correct |
110 |
Correct |
219 ms |
32364 KB |
Output is correct |
111 |
Correct |
242 ms |
15836 KB |
Output is correct |