#include <bits/stdc++.h>
using namespace std;
const int MAXN = 2e5;
int n, ans, dp[MAXN];
vector<int> g[MAXN];
string s;
void dfs(int u, int p){
dp[u] = -1 * (s[u] - '0');
for(int &v : g[u]) if(v - p){
dfs(v, u);
ans = max(ans, s[u] - '0' + dp[v]);
dp[u] += dp[v];
}
dp[u] = max(dp[u], s[u] - '0');
ans = max(ans, dp[u]);
}
signed main(){
cin.tie(0)->sync_with_stdio(0);
cin >> n;
for(int i=1; i<n; ++i){
int u, v; cin >> u >> v;
--u, --v;
g[u].push_back(v);
g[v].push_back(u);
}
cin >> s;
dfs(0, 0);
cout << ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4940 KB |
Output is correct |
2 |
Correct |
4 ms |
5068 KB |
Output is correct |
3 |
Correct |
3 ms |
4940 KB |
Output is correct |
4 |
Correct |
3 ms |
4940 KB |
Output is correct |
5 |
Correct |
3 ms |
4940 KB |
Output is correct |
6 |
Correct |
4 ms |
4940 KB |
Output is correct |
7 |
Correct |
3 ms |
4940 KB |
Output is correct |
8 |
Correct |
3 ms |
4940 KB |
Output is correct |
9 |
Correct |
3 ms |
4940 KB |
Output is correct |
10 |
Correct |
3 ms |
4940 KB |
Output is correct |
11 |
Correct |
4 ms |
4940 KB |
Output is correct |
12 |
Correct |
3 ms |
4940 KB |
Output is correct |
13 |
Correct |
4 ms |
4940 KB |
Output is correct |
14 |
Correct |
3 ms |
5012 KB |
Output is correct |
15 |
Correct |
3 ms |
4940 KB |
Output is correct |
16 |
Correct |
3 ms |
4940 KB |
Output is correct |
17 |
Correct |
4 ms |
4940 KB |
Output is correct |
18 |
Correct |
3 ms |
4940 KB |
Output is correct |
19 |
Correct |
3 ms |
4940 KB |
Output is correct |
20 |
Correct |
4 ms |
5012 KB |
Output is correct |
21 |
Correct |
4 ms |
5028 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4940 KB |
Output is correct |
2 |
Correct |
4 ms |
5068 KB |
Output is correct |
3 |
Correct |
3 ms |
4940 KB |
Output is correct |
4 |
Correct |
3 ms |
4940 KB |
Output is correct |
5 |
Correct |
3 ms |
4940 KB |
Output is correct |
6 |
Correct |
4 ms |
4940 KB |
Output is correct |
7 |
Correct |
3 ms |
4940 KB |
Output is correct |
8 |
Correct |
3 ms |
4940 KB |
Output is correct |
9 |
Correct |
3 ms |
4940 KB |
Output is correct |
10 |
Correct |
3 ms |
4940 KB |
Output is correct |
11 |
Correct |
4 ms |
4940 KB |
Output is correct |
12 |
Correct |
3 ms |
4940 KB |
Output is correct |
13 |
Correct |
4 ms |
4940 KB |
Output is correct |
14 |
Correct |
3 ms |
5012 KB |
Output is correct |
15 |
Correct |
3 ms |
4940 KB |
Output is correct |
16 |
Correct |
3 ms |
4940 KB |
Output is correct |
17 |
Correct |
4 ms |
4940 KB |
Output is correct |
18 |
Correct |
3 ms |
4940 KB |
Output is correct |
19 |
Correct |
3 ms |
4940 KB |
Output is correct |
20 |
Correct |
4 ms |
5012 KB |
Output is correct |
21 |
Correct |
4 ms |
5028 KB |
Output is correct |
22 |
Correct |
4 ms |
5036 KB |
Output is correct |
23 |
Correct |
4 ms |
5028 KB |
Output is correct |
24 |
Correct |
4 ms |
5068 KB |
Output is correct |
25 |
Correct |
4 ms |
5068 KB |
Output is correct |
26 |
Correct |
4 ms |
5028 KB |
Output is correct |
27 |
Correct |
4 ms |
5024 KB |
Output is correct |
28 |
Correct |
4 ms |
5068 KB |
Output is correct |
29 |
Correct |
4 ms |
5196 KB |
Output is correct |
30 |
Correct |
4 ms |
5068 KB |
Output is correct |
31 |
Correct |
4 ms |
5072 KB |
Output is correct |
32 |
Correct |
4 ms |
5068 KB |
Output is correct |
33 |
Correct |
4 ms |
5068 KB |
Output is correct |
34 |
Correct |
4 ms |
5032 KB |
Output is correct |
35 |
Correct |
4 ms |
5068 KB |
Output is correct |
36 |
Correct |
5 ms |
5068 KB |
Output is correct |
37 |
Correct |
4 ms |
5068 KB |
Output is correct |
38 |
Correct |
4 ms |
5068 KB |
Output is correct |
39 |
Correct |
4 ms |
5160 KB |
Output is correct |
40 |
Correct |
4 ms |
5068 KB |
Output is correct |
41 |
Correct |
4 ms |
5156 KB |
Output is correct |
42 |
Correct |
4 ms |
5068 KB |
Output is correct |
43 |
Correct |
4 ms |
5068 KB |
Output is correct |
44 |
Correct |
4 ms |
5024 KB |
Output is correct |
45 |
Correct |
4 ms |
5032 KB |
Output is correct |
46 |
Correct |
4 ms |
5068 KB |
Output is correct |
47 |
Correct |
5 ms |
5068 KB |
Output is correct |
48 |
Correct |
4 ms |
5068 KB |
Output is correct |
49 |
Correct |
4 ms |
5068 KB |
Output is correct |
50 |
Correct |
4 ms |
5032 KB |
Output is correct |
51 |
Correct |
4 ms |
5068 KB |
Output is correct |
52 |
Correct |
4 ms |
5024 KB |
Output is correct |
53 |
Correct |
4 ms |
5068 KB |
Output is correct |
54 |
Correct |
4 ms |
5024 KB |
Output is correct |
55 |
Correct |
4 ms |
5028 KB |
Output is correct |
56 |
Correct |
4 ms |
5068 KB |
Output is correct |
57 |
Correct |
4 ms |
5156 KB |
Output is correct |
58 |
Correct |
4 ms |
5068 KB |
Output is correct |
59 |
Correct |
4 ms |
5068 KB |
Output is correct |
60 |
Correct |
4 ms |
5160 KB |
Output is correct |
61 |
Correct |
4 ms |
5068 KB |
Output is correct |
62 |
Correct |
4 ms |
5152 KB |
Output is correct |
63 |
Correct |
4 ms |
5068 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4940 KB |
Output is correct |
2 |
Correct |
4 ms |
5068 KB |
Output is correct |
3 |
Correct |
3 ms |
4940 KB |
Output is correct |
4 |
Correct |
3 ms |
4940 KB |
Output is correct |
5 |
Correct |
3 ms |
4940 KB |
Output is correct |
6 |
Correct |
4 ms |
4940 KB |
Output is correct |
7 |
Correct |
3 ms |
4940 KB |
Output is correct |
8 |
Correct |
3 ms |
4940 KB |
Output is correct |
9 |
Correct |
3 ms |
4940 KB |
Output is correct |
10 |
Correct |
3 ms |
4940 KB |
Output is correct |
11 |
Correct |
4 ms |
4940 KB |
Output is correct |
12 |
Correct |
3 ms |
4940 KB |
Output is correct |
13 |
Correct |
4 ms |
4940 KB |
Output is correct |
14 |
Correct |
3 ms |
5012 KB |
Output is correct |
15 |
Correct |
3 ms |
4940 KB |
Output is correct |
16 |
Correct |
3 ms |
4940 KB |
Output is correct |
17 |
Correct |
4 ms |
4940 KB |
Output is correct |
18 |
Correct |
3 ms |
4940 KB |
Output is correct |
19 |
Correct |
3 ms |
4940 KB |
Output is correct |
20 |
Correct |
4 ms |
5012 KB |
Output is correct |
21 |
Correct |
4 ms |
5028 KB |
Output is correct |
22 |
Correct |
4 ms |
5036 KB |
Output is correct |
23 |
Correct |
4 ms |
5028 KB |
Output is correct |
24 |
Correct |
4 ms |
5068 KB |
Output is correct |
25 |
Correct |
4 ms |
5068 KB |
Output is correct |
26 |
Correct |
4 ms |
5028 KB |
Output is correct |
27 |
Correct |
4 ms |
5024 KB |
Output is correct |
28 |
Correct |
4 ms |
5068 KB |
Output is correct |
29 |
Correct |
4 ms |
5196 KB |
Output is correct |
30 |
Correct |
4 ms |
5068 KB |
Output is correct |
31 |
Correct |
4 ms |
5072 KB |
Output is correct |
32 |
Correct |
4 ms |
5068 KB |
Output is correct |
33 |
Correct |
4 ms |
5068 KB |
Output is correct |
34 |
Correct |
4 ms |
5032 KB |
Output is correct |
35 |
Correct |
4 ms |
5068 KB |
Output is correct |
36 |
Correct |
5 ms |
5068 KB |
Output is correct |
37 |
Correct |
4 ms |
5068 KB |
Output is correct |
38 |
Correct |
4 ms |
5068 KB |
Output is correct |
39 |
Correct |
4 ms |
5160 KB |
Output is correct |
40 |
Correct |
4 ms |
5068 KB |
Output is correct |
41 |
Correct |
4 ms |
5156 KB |
Output is correct |
42 |
Correct |
4 ms |
5068 KB |
Output is correct |
43 |
Correct |
4 ms |
5068 KB |
Output is correct |
44 |
Correct |
4 ms |
5024 KB |
Output is correct |
45 |
Correct |
4 ms |
5032 KB |
Output is correct |
46 |
Correct |
4 ms |
5068 KB |
Output is correct |
47 |
Correct |
5 ms |
5068 KB |
Output is correct |
48 |
Correct |
4 ms |
5068 KB |
Output is correct |
49 |
Correct |
4 ms |
5068 KB |
Output is correct |
50 |
Correct |
4 ms |
5032 KB |
Output is correct |
51 |
Correct |
4 ms |
5068 KB |
Output is correct |
52 |
Correct |
4 ms |
5024 KB |
Output is correct |
53 |
Correct |
4 ms |
5068 KB |
Output is correct |
54 |
Correct |
4 ms |
5024 KB |
Output is correct |
55 |
Correct |
4 ms |
5028 KB |
Output is correct |
56 |
Correct |
4 ms |
5068 KB |
Output is correct |
57 |
Correct |
4 ms |
5156 KB |
Output is correct |
58 |
Correct |
4 ms |
5068 KB |
Output is correct |
59 |
Correct |
4 ms |
5068 KB |
Output is correct |
60 |
Correct |
4 ms |
5160 KB |
Output is correct |
61 |
Correct |
4 ms |
5068 KB |
Output is correct |
62 |
Correct |
4 ms |
5152 KB |
Output is correct |
63 |
Correct |
4 ms |
5068 KB |
Output is correct |
64 |
Correct |
143 ms |
13932 KB |
Output is correct |
65 |
Correct |
143 ms |
13932 KB |
Output is correct |
66 |
Correct |
157 ms |
14004 KB |
Output is correct |
67 |
Correct |
145 ms |
13972 KB |
Output is correct |
68 |
Correct |
142 ms |
13936 KB |
Output is correct |
69 |
Correct |
139 ms |
13964 KB |
Output is correct |
70 |
Correct |
148 ms |
14080 KB |
Output is correct |
71 |
Correct |
152 ms |
13944 KB |
Output is correct |
72 |
Correct |
168 ms |
13916 KB |
Output is correct |
73 |
Correct |
158 ms |
24072 KB |
Output is correct |
74 |
Correct |
162 ms |
24084 KB |
Output is correct |
75 |
Correct |
138 ms |
13892 KB |
Output is correct |
76 |
Correct |
143 ms |
13812 KB |
Output is correct |
77 |
Correct |
143 ms |
13868 KB |
Output is correct |
78 |
Correct |
157 ms |
13784 KB |
Output is correct |
79 |
Correct |
151 ms |
13836 KB |
Output is correct |
80 |
Correct |
147 ms |
13880 KB |
Output is correct |
81 |
Correct |
117 ms |
14320 KB |
Output is correct |
82 |
Correct |
138 ms |
14148 KB |
Output is correct |
83 |
Correct |
159 ms |
18028 KB |
Output is correct |
84 |
Correct |
160 ms |
19688 KB |
Output is correct |
85 |
Correct |
154 ms |
19500 KB |
Output is correct |
86 |
Correct |
151 ms |
15068 KB |
Output is correct |
87 |
Correct |
159 ms |
14552 KB |
Output is correct |
88 |
Correct |
153 ms |
15004 KB |
Output is correct |
89 |
Correct |
160 ms |
15064 KB |
Output is correct |
90 |
Correct |
139 ms |
14948 KB |
Output is correct |
91 |
Correct |
150 ms |
15128 KB |
Output is correct |
92 |
Correct |
147 ms |
15348 KB |
Output is correct |
93 |
Correct |
137 ms |
17236 KB |
Output is correct |
94 |
Correct |
135 ms |
18784 KB |
Output is correct |
95 |
Correct |
133 ms |
17480 KB |
Output is correct |
96 |
Correct |
135 ms |
16112 KB |
Output is correct |
97 |
Correct |
139 ms |
14832 KB |
Output is correct |
98 |
Correct |
136 ms |
14520 KB |
Output is correct |
99 |
Correct |
153 ms |
14268 KB |
Output is correct |
100 |
Correct |
142 ms |
16920 KB |
Output is correct |
101 |
Correct |
139 ms |
15268 KB |
Output is correct |
102 |
Correct |
138 ms |
14684 KB |
Output is correct |
103 |
Correct |
145 ms |
14500 KB |
Output is correct |
104 |
Correct |
95 ms |
14720 KB |
Output is correct |
105 |
Correct |
174 ms |
21508 KB |
Output is correct |
106 |
Correct |
86 ms |
14776 KB |
Output is correct |
107 |
Correct |
93 ms |
14912 KB |
Output is correct |
108 |
Correct |
168 ms |
24568 KB |
Output is correct |
109 |
Correct |
89 ms |
14692 KB |
Output is correct |
110 |
Correct |
159 ms |
24860 KB |
Output is correct |
111 |
Correct |
142 ms |
13972 KB |
Output is correct |