#include <bits/stdc++.h>
#define all(x) x.begin(), x.end()
using namespace std;
using ll = long long;
using pii = pair<int, int>;
const int MN = 2e5 + 5;
int N;
string s;
vector<int> g[MN];
int dp[MN], ans;
void dfs(int u, int p) {
int mx = 0;
for (int v : g[u]) if (v != p) {
dfs(v, u);
dp[u] += dp[v];
mx = max(mx, dp[v]);
}
if (s[u - 1] == '1') {
dp[u] = max(dp[u] - 1, 1);
ans = max(ans, mx + 1);
}
ans = max(ans, dp[u]);
}
int main() {
ios_base::sync_with_stdio(0), cin.tie(0);
cin >> N;
for (int i = 1; i < N; i++) {
int u, v; cin >> u >> v;
g[u].push_back(v);
g[v].push_back(u);
}
cin >> s;
dfs(1, -1);
cout << ans << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
5228 KB |
Output is correct |
2 |
Correct |
4 ms |
5120 KB |
Output is correct |
3 |
Correct |
4 ms |
4972 KB |
Output is correct |
4 |
Correct |
4 ms |
4972 KB |
Output is correct |
5 |
Correct |
4 ms |
4972 KB |
Output is correct |
6 |
Correct |
4 ms |
4972 KB |
Output is correct |
7 |
Correct |
4 ms |
4972 KB |
Output is correct |
8 |
Correct |
4 ms |
4972 KB |
Output is correct |
9 |
Correct |
4 ms |
5120 KB |
Output is correct |
10 |
Correct |
3 ms |
4972 KB |
Output is correct |
11 |
Correct |
4 ms |
4972 KB |
Output is correct |
12 |
Correct |
4 ms |
4972 KB |
Output is correct |
13 |
Correct |
4 ms |
5100 KB |
Output is correct |
14 |
Correct |
4 ms |
4972 KB |
Output is correct |
15 |
Correct |
5 ms |
4972 KB |
Output is correct |
16 |
Correct |
3 ms |
4972 KB |
Output is correct |
17 |
Correct |
3 ms |
4972 KB |
Output is correct |
18 |
Correct |
3 ms |
4972 KB |
Output is correct |
19 |
Correct |
4 ms |
4972 KB |
Output is correct |
20 |
Correct |
4 ms |
5096 KB |
Output is correct |
21 |
Correct |
4 ms |
5100 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
5228 KB |
Output is correct |
2 |
Correct |
4 ms |
5120 KB |
Output is correct |
3 |
Correct |
4 ms |
4972 KB |
Output is correct |
4 |
Correct |
4 ms |
4972 KB |
Output is correct |
5 |
Correct |
4 ms |
4972 KB |
Output is correct |
6 |
Correct |
4 ms |
4972 KB |
Output is correct |
7 |
Correct |
4 ms |
4972 KB |
Output is correct |
8 |
Correct |
4 ms |
4972 KB |
Output is correct |
9 |
Correct |
4 ms |
5120 KB |
Output is correct |
10 |
Correct |
3 ms |
4972 KB |
Output is correct |
11 |
Correct |
4 ms |
4972 KB |
Output is correct |
12 |
Correct |
4 ms |
4972 KB |
Output is correct |
13 |
Correct |
4 ms |
5100 KB |
Output is correct |
14 |
Correct |
4 ms |
4972 KB |
Output is correct |
15 |
Correct |
5 ms |
4972 KB |
Output is correct |
16 |
Correct |
3 ms |
4972 KB |
Output is correct |
17 |
Correct |
3 ms |
4972 KB |
Output is correct |
18 |
Correct |
3 ms |
4972 KB |
Output is correct |
19 |
Correct |
4 ms |
4972 KB |
Output is correct |
20 |
Correct |
4 ms |
5096 KB |
Output is correct |
21 |
Correct |
4 ms |
5100 KB |
Output is correct |
22 |
Correct |
4 ms |
5100 KB |
Output is correct |
23 |
Correct |
4 ms |
5100 KB |
Output is correct |
24 |
Correct |
5 ms |
5100 KB |
Output is correct |
25 |
Correct |
4 ms |
5100 KB |
Output is correct |
26 |
Correct |
4 ms |
5120 KB |
Output is correct |
27 |
Correct |
4 ms |
5100 KB |
Output is correct |
28 |
Correct |
4 ms |
5100 KB |
Output is correct |
29 |
Correct |
4 ms |
5228 KB |
Output is correct |
30 |
Correct |
4 ms |
5228 KB |
Output is correct |
31 |
Correct |
5 ms |
5100 KB |
Output is correct |
32 |
Correct |
5 ms |
5120 KB |
Output is correct |
33 |
Correct |
5 ms |
5100 KB |
Output is correct |
34 |
Correct |
4 ms |
5100 KB |
Output is correct |
35 |
Correct |
5 ms |
5100 KB |
Output is correct |
36 |
Correct |
4 ms |
5120 KB |
Output is correct |
37 |
Correct |
4 ms |
5100 KB |
Output is correct |
38 |
Correct |
4 ms |
5100 KB |
Output is correct |
39 |
Correct |
4 ms |
5228 KB |
Output is correct |
40 |
Correct |
5 ms |
5100 KB |
Output is correct |
41 |
Correct |
4 ms |
5228 KB |
Output is correct |
42 |
Correct |
4 ms |
5100 KB |
Output is correct |
43 |
Correct |
4 ms |
5100 KB |
Output is correct |
44 |
Correct |
4 ms |
5100 KB |
Output is correct |
45 |
Correct |
4 ms |
5100 KB |
Output is correct |
46 |
Correct |
4 ms |
5100 KB |
Output is correct |
47 |
Correct |
4 ms |
5120 KB |
Output is correct |
48 |
Correct |
4 ms |
5228 KB |
Output is correct |
49 |
Correct |
5 ms |
5240 KB |
Output is correct |
50 |
Correct |
4 ms |
5228 KB |
Output is correct |
51 |
Correct |
4 ms |
5100 KB |
Output is correct |
52 |
Correct |
4 ms |
5100 KB |
Output is correct |
53 |
Correct |
4 ms |
5100 KB |
Output is correct |
54 |
Correct |
4 ms |
5100 KB |
Output is correct |
55 |
Correct |
4 ms |
5228 KB |
Output is correct |
56 |
Correct |
4 ms |
5100 KB |
Output is correct |
57 |
Correct |
4 ms |
5228 KB |
Output is correct |
58 |
Correct |
4 ms |
5100 KB |
Output is correct |
59 |
Correct |
4 ms |
5100 KB |
Output is correct |
60 |
Correct |
4 ms |
5228 KB |
Output is correct |
61 |
Correct |
5 ms |
5100 KB |
Output is correct |
62 |
Correct |
4 ms |
5228 KB |
Output is correct |
63 |
Correct |
4 ms |
5100 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
5228 KB |
Output is correct |
2 |
Correct |
4 ms |
5120 KB |
Output is correct |
3 |
Correct |
4 ms |
4972 KB |
Output is correct |
4 |
Correct |
4 ms |
4972 KB |
Output is correct |
5 |
Correct |
4 ms |
4972 KB |
Output is correct |
6 |
Correct |
4 ms |
4972 KB |
Output is correct |
7 |
Correct |
4 ms |
4972 KB |
Output is correct |
8 |
Correct |
4 ms |
4972 KB |
Output is correct |
9 |
Correct |
4 ms |
5120 KB |
Output is correct |
10 |
Correct |
3 ms |
4972 KB |
Output is correct |
11 |
Correct |
4 ms |
4972 KB |
Output is correct |
12 |
Correct |
4 ms |
4972 KB |
Output is correct |
13 |
Correct |
4 ms |
5100 KB |
Output is correct |
14 |
Correct |
4 ms |
4972 KB |
Output is correct |
15 |
Correct |
5 ms |
4972 KB |
Output is correct |
16 |
Correct |
3 ms |
4972 KB |
Output is correct |
17 |
Correct |
3 ms |
4972 KB |
Output is correct |
18 |
Correct |
3 ms |
4972 KB |
Output is correct |
19 |
Correct |
4 ms |
4972 KB |
Output is correct |
20 |
Correct |
4 ms |
5096 KB |
Output is correct |
21 |
Correct |
4 ms |
5100 KB |
Output is correct |
22 |
Correct |
4 ms |
5100 KB |
Output is correct |
23 |
Correct |
4 ms |
5100 KB |
Output is correct |
24 |
Correct |
5 ms |
5100 KB |
Output is correct |
25 |
Correct |
4 ms |
5100 KB |
Output is correct |
26 |
Correct |
4 ms |
5120 KB |
Output is correct |
27 |
Correct |
4 ms |
5100 KB |
Output is correct |
28 |
Correct |
4 ms |
5100 KB |
Output is correct |
29 |
Correct |
4 ms |
5228 KB |
Output is correct |
30 |
Correct |
4 ms |
5228 KB |
Output is correct |
31 |
Correct |
5 ms |
5100 KB |
Output is correct |
32 |
Correct |
5 ms |
5120 KB |
Output is correct |
33 |
Correct |
5 ms |
5100 KB |
Output is correct |
34 |
Correct |
4 ms |
5100 KB |
Output is correct |
35 |
Correct |
5 ms |
5100 KB |
Output is correct |
36 |
Correct |
4 ms |
5120 KB |
Output is correct |
37 |
Correct |
4 ms |
5100 KB |
Output is correct |
38 |
Correct |
4 ms |
5100 KB |
Output is correct |
39 |
Correct |
4 ms |
5228 KB |
Output is correct |
40 |
Correct |
5 ms |
5100 KB |
Output is correct |
41 |
Correct |
4 ms |
5228 KB |
Output is correct |
42 |
Correct |
4 ms |
5100 KB |
Output is correct |
43 |
Correct |
4 ms |
5100 KB |
Output is correct |
44 |
Correct |
4 ms |
5100 KB |
Output is correct |
45 |
Correct |
4 ms |
5100 KB |
Output is correct |
46 |
Correct |
4 ms |
5100 KB |
Output is correct |
47 |
Correct |
4 ms |
5120 KB |
Output is correct |
48 |
Correct |
4 ms |
5228 KB |
Output is correct |
49 |
Correct |
5 ms |
5240 KB |
Output is correct |
50 |
Correct |
4 ms |
5228 KB |
Output is correct |
51 |
Correct |
4 ms |
5100 KB |
Output is correct |
52 |
Correct |
4 ms |
5100 KB |
Output is correct |
53 |
Correct |
4 ms |
5100 KB |
Output is correct |
54 |
Correct |
4 ms |
5100 KB |
Output is correct |
55 |
Correct |
4 ms |
5228 KB |
Output is correct |
56 |
Correct |
4 ms |
5100 KB |
Output is correct |
57 |
Correct |
4 ms |
5228 KB |
Output is correct |
58 |
Correct |
4 ms |
5100 KB |
Output is correct |
59 |
Correct |
4 ms |
5100 KB |
Output is correct |
60 |
Correct |
4 ms |
5228 KB |
Output is correct |
61 |
Correct |
5 ms |
5100 KB |
Output is correct |
62 |
Correct |
4 ms |
5228 KB |
Output is correct |
63 |
Correct |
4 ms |
5100 KB |
Output is correct |
64 |
Correct |
174 ms |
15356 KB |
Output is correct |
65 |
Correct |
171 ms |
15276 KB |
Output is correct |
66 |
Correct |
162 ms |
15256 KB |
Output is correct |
67 |
Correct |
170 ms |
15276 KB |
Output is correct |
68 |
Correct |
167 ms |
15256 KB |
Output is correct |
69 |
Correct |
158 ms |
15292 KB |
Output is correct |
70 |
Correct |
182 ms |
15244 KB |
Output is correct |
71 |
Correct |
152 ms |
15312 KB |
Output is correct |
72 |
Correct |
154 ms |
15292 KB |
Output is correct |
73 |
Correct |
178 ms |
27820 KB |
Output is correct |
74 |
Correct |
171 ms |
27820 KB |
Output is correct |
75 |
Correct |
166 ms |
15144 KB |
Output is correct |
76 |
Correct |
160 ms |
15152 KB |
Output is correct |
77 |
Correct |
174 ms |
15272 KB |
Output is correct |
78 |
Correct |
159 ms |
15144 KB |
Output is correct |
79 |
Correct |
170 ms |
15152 KB |
Output is correct |
80 |
Correct |
168 ms |
15144 KB |
Output is correct |
81 |
Correct |
153 ms |
15716 KB |
Output is correct |
82 |
Correct |
152 ms |
15340 KB |
Output is correct |
83 |
Correct |
170 ms |
20436 KB |
Output is correct |
84 |
Correct |
183 ms |
22456 KB |
Output is correct |
85 |
Correct |
179 ms |
22200 KB |
Output is correct |
86 |
Correct |
157 ms |
16556 KB |
Output is correct |
87 |
Correct |
173 ms |
16040 KB |
Output is correct |
88 |
Correct |
157 ms |
16488 KB |
Output is correct |
89 |
Correct |
144 ms |
16440 KB |
Output is correct |
90 |
Correct |
155 ms |
16396 KB |
Output is correct |
91 |
Correct |
157 ms |
16528 KB |
Output is correct |
92 |
Correct |
157 ms |
16920 KB |
Output is correct |
93 |
Correct |
156 ms |
19196 KB |
Output is correct |
94 |
Correct |
152 ms |
20972 KB |
Output is correct |
95 |
Correct |
138 ms |
19556 KB |
Output is correct |
96 |
Correct |
158 ms |
17816 KB |
Output is correct |
97 |
Correct |
160 ms |
16388 KB |
Output is correct |
98 |
Correct |
143 ms |
15836 KB |
Output is correct |
99 |
Correct |
146 ms |
15528 KB |
Output is correct |
100 |
Correct |
185 ms |
18840 KB |
Output is correct |
101 |
Correct |
162 ms |
16808 KB |
Output is correct |
102 |
Correct |
151 ms |
15996 KB |
Output is correct |
103 |
Correct |
157 ms |
15820 KB |
Output is correct |
104 |
Correct |
96 ms |
15328 KB |
Output is correct |
105 |
Correct |
168 ms |
24620 KB |
Output is correct |
106 |
Correct |
106 ms |
15968 KB |
Output is correct |
107 |
Correct |
99 ms |
16096 KB |
Output is correct |
108 |
Correct |
182 ms |
28684 KB |
Output is correct |
109 |
Correct |
94 ms |
15460 KB |
Output is correct |
110 |
Correct |
167 ms |
28972 KB |
Output is correct |
111 |
Correct |
140 ms |
15160 KB |
Output is correct |