#include <bits/stdc++.h>
using namespace std;
vector<int> adj[200005];
string s;
int ans = 0;
int dfs(int node, int par) {
int cur = 0;
for (auto a : adj[node]) {
if (a == par) continue;
int t = dfs(a, node);
if (s[node-1] == '1') ans = max(ans, t + 1);
cur += t;
}
if (s[node-1] == '1') cur = max(cur-1, 1);
ans = max(ans, cur);
return cur;
}
int main() {
int n; cin >> n;
for (int i = 0; i < n-1; i++) {
int a, b; cin >> a >> b;
adj[a].push_back(b);
adj[b].push_back(a);
}
cin >> s;
dfs(1, 1);
cout << ans;
}
# |
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 |
4 ms |
5004 KB |
Output is correct |
4 |
Correct |
3 ms |
5000 KB |
Output is correct |
5 |
Correct |
3 ms |
4948 KB |
Output is correct |
6 |
Correct |
4 ms |
4948 KB |
Output is correct |
7 |
Correct |
3 ms |
5004 KB |
Output is correct |
8 |
Correct |
3 ms |
5004 KB |
Output is correct |
9 |
Correct |
3 ms |
4996 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 |
5000 KB |
Output is correct |
13 |
Correct |
3 ms |
4948 KB |
Output is correct |
14 |
Correct |
3 ms |
4888 KB |
Output is correct |
15 |
Correct |
3 ms |
4948 KB |
Output is correct |
16 |
Correct |
3 ms |
4996 KB |
Output is correct |
17 |
Correct |
3 ms |
5000 KB |
Output is correct |
18 |
Correct |
3 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 |
3 ms |
4948 KB |
Output is correct |
# |
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 |
4 ms |
5004 KB |
Output is correct |
4 |
Correct |
3 ms |
5000 KB |
Output is correct |
5 |
Correct |
3 ms |
4948 KB |
Output is correct |
6 |
Correct |
4 ms |
4948 KB |
Output is correct |
7 |
Correct |
3 ms |
5004 KB |
Output is correct |
8 |
Correct |
3 ms |
5004 KB |
Output is correct |
9 |
Correct |
3 ms |
4996 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 |
5000 KB |
Output is correct |
13 |
Correct |
3 ms |
4948 KB |
Output is correct |
14 |
Correct |
3 ms |
4888 KB |
Output is correct |
15 |
Correct |
3 ms |
4948 KB |
Output is correct |
16 |
Correct |
3 ms |
4996 KB |
Output is correct |
17 |
Correct |
3 ms |
5000 KB |
Output is correct |
18 |
Correct |
3 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 |
3 ms |
4948 KB |
Output is correct |
22 |
Correct |
4 ms |
5012 KB |
Output is correct |
23 |
Correct |
4 ms |
5008 KB |
Output is correct |
24 |
Correct |
4 ms |
5076 KB |
Output is correct |
25 |
Correct |
4 ms |
5008 KB |
Output is correct |
26 |
Correct |
6 ms |
5060 KB |
Output is correct |
27 |
Correct |
5 ms |
5076 KB |
Output is correct |
28 |
Correct |
5 ms |
5012 KB |
Output is correct |
29 |
Correct |
4 ms |
5076 KB |
Output is correct |
30 |
Correct |
4 ms |
5140 KB |
Output is correct |
31 |
Correct |
4 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 |
5016 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 |
5 ms |
5076 KB |
Output is correct |
41 |
Correct |
4 ms |
5136 KB |
Output is correct |
42 |
Correct |
4 ms |
5008 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 |
5012 KB |
Output is correct |
46 |
Correct |
4 ms |
5076 KB |
Output is correct |
47 |
Correct |
4 ms |
5076 KB |
Output is correct |
48 |
Correct |
6 ms |
5076 KB |
Output is correct |
49 |
Correct |
5 ms |
5076 KB |
Output is correct |
50 |
Correct |
5 ms |
5076 KB |
Output is correct |
51 |
Correct |
4 ms |
5076 KB |
Output is correct |
52 |
Correct |
6 ms |
5020 KB |
Output is correct |
53 |
Correct |
4 ms |
5076 KB |
Output is correct |
54 |
Correct |
5 ms |
4988 KB |
Output is correct |
55 |
Correct |
4 ms |
5008 KB |
Output is correct |
56 |
Correct |
4 ms |
5076 KB |
Output is correct |
57 |
Correct |
4 ms |
5076 KB |
Output is correct |
58 |
Correct |
4 ms |
5008 KB |
Output is correct |
59 |
Correct |
4 ms |
5068 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 |
5076 KB |
Output is correct |
63 |
Correct |
4 ms |
5008 KB |
Output is correct |
# |
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 |
4 ms |
5004 KB |
Output is correct |
4 |
Correct |
3 ms |
5000 KB |
Output is correct |
5 |
Correct |
3 ms |
4948 KB |
Output is correct |
6 |
Correct |
4 ms |
4948 KB |
Output is correct |
7 |
Correct |
3 ms |
5004 KB |
Output is correct |
8 |
Correct |
3 ms |
5004 KB |
Output is correct |
9 |
Correct |
3 ms |
4996 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 |
5000 KB |
Output is correct |
13 |
Correct |
3 ms |
4948 KB |
Output is correct |
14 |
Correct |
3 ms |
4888 KB |
Output is correct |
15 |
Correct |
3 ms |
4948 KB |
Output is correct |
16 |
Correct |
3 ms |
4996 KB |
Output is correct |
17 |
Correct |
3 ms |
5000 KB |
Output is correct |
18 |
Correct |
3 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 |
3 ms |
4948 KB |
Output is correct |
22 |
Correct |
4 ms |
5012 KB |
Output is correct |
23 |
Correct |
4 ms |
5008 KB |
Output is correct |
24 |
Correct |
4 ms |
5076 KB |
Output is correct |
25 |
Correct |
4 ms |
5008 KB |
Output is correct |
26 |
Correct |
6 ms |
5060 KB |
Output is correct |
27 |
Correct |
5 ms |
5076 KB |
Output is correct |
28 |
Correct |
5 ms |
5012 KB |
Output is correct |
29 |
Correct |
4 ms |
5076 KB |
Output is correct |
30 |
Correct |
4 ms |
5140 KB |
Output is correct |
31 |
Correct |
4 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 |
5016 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 |
5 ms |
5076 KB |
Output is correct |
41 |
Correct |
4 ms |
5136 KB |
Output is correct |
42 |
Correct |
4 ms |
5008 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 |
5012 KB |
Output is correct |
46 |
Correct |
4 ms |
5076 KB |
Output is correct |
47 |
Correct |
4 ms |
5076 KB |
Output is correct |
48 |
Correct |
6 ms |
5076 KB |
Output is correct |
49 |
Correct |
5 ms |
5076 KB |
Output is correct |
50 |
Correct |
5 ms |
5076 KB |
Output is correct |
51 |
Correct |
4 ms |
5076 KB |
Output is correct |
52 |
Correct |
6 ms |
5020 KB |
Output is correct |
53 |
Correct |
4 ms |
5076 KB |
Output is correct |
54 |
Correct |
5 ms |
4988 KB |
Output is correct |
55 |
Correct |
4 ms |
5008 KB |
Output is correct |
56 |
Correct |
4 ms |
5076 KB |
Output is correct |
57 |
Correct |
4 ms |
5076 KB |
Output is correct |
58 |
Correct |
4 ms |
5008 KB |
Output is correct |
59 |
Correct |
4 ms |
5068 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 |
5076 KB |
Output is correct |
63 |
Correct |
4 ms |
5008 KB |
Output is correct |
64 |
Correct |
224 ms |
14340 KB |
Output is correct |
65 |
Correct |
209 ms |
14332 KB |
Output is correct |
66 |
Correct |
196 ms |
14312 KB |
Output is correct |
67 |
Correct |
231 ms |
14396 KB |
Output is correct |
68 |
Correct |
189 ms |
14440 KB |
Output is correct |
69 |
Correct |
187 ms |
14392 KB |
Output is correct |
70 |
Correct |
207 ms |
14368 KB |
Output is correct |
71 |
Correct |
205 ms |
14412 KB |
Output is correct |
72 |
Correct |
184 ms |
14368 KB |
Output is correct |
73 |
Correct |
213 ms |
24456 KB |
Output is correct |
74 |
Correct |
230 ms |
24368 KB |
Output is correct |
75 |
Correct |
187 ms |
14284 KB |
Output is correct |
76 |
Correct |
221 ms |
14284 KB |
Output is correct |
77 |
Correct |
205 ms |
14276 KB |
Output is correct |
78 |
Correct |
201 ms |
14356 KB |
Output is correct |
79 |
Correct |
210 ms |
14316 KB |
Output is correct |
80 |
Correct |
190 ms |
14316 KB |
Output is correct |
81 |
Correct |
177 ms |
14676 KB |
Output is correct |
82 |
Correct |
194 ms |
14608 KB |
Output is correct |
83 |
Correct |
206 ms |
18464 KB |
Output is correct |
84 |
Correct |
214 ms |
20060 KB |
Output is correct |
85 |
Correct |
217 ms |
19912 KB |
Output is correct |
86 |
Correct |
188 ms |
15464 KB |
Output is correct |
87 |
Correct |
208 ms |
14880 KB |
Output is correct |
88 |
Correct |
198 ms |
15460 KB |
Output is correct |
89 |
Correct |
183 ms |
15504 KB |
Output is correct |
90 |
Correct |
189 ms |
15256 KB |
Output is correct |
91 |
Correct |
186 ms |
15456 KB |
Output is correct |
92 |
Correct |
180 ms |
15664 KB |
Output is correct |
93 |
Correct |
181 ms |
17584 KB |
Output is correct |
94 |
Correct |
173 ms |
18952 KB |
Output is correct |
95 |
Correct |
221 ms |
17952 KB |
Output is correct |
96 |
Correct |
178 ms |
16476 KB |
Output is correct |
97 |
Correct |
183 ms |
15380 KB |
Output is correct |
98 |
Correct |
181 ms |
14852 KB |
Output is correct |
99 |
Correct |
184 ms |
14728 KB |
Output is correct |
100 |
Correct |
186 ms |
17288 KB |
Output is correct |
101 |
Correct |
180 ms |
15660 KB |
Output is correct |
102 |
Correct |
184 ms |
15164 KB |
Output is correct |
103 |
Correct |
183 ms |
14864 KB |
Output is correct |
104 |
Correct |
149 ms |
15212 KB |
Output is correct |
105 |
Correct |
223 ms |
21784 KB |
Output is correct |
106 |
Correct |
139 ms |
15056 KB |
Output is correct |
107 |
Correct |
153 ms |
15088 KB |
Output is correct |
108 |
Correct |
202 ms |
25020 KB |
Output is correct |
109 |
Correct |
174 ms |
15260 KB |
Output is correct |
110 |
Correct |
216 ms |
25308 KB |
Output is correct |
111 |
Correct |
180 ms |
14312 KB |
Output is correct |