#include <bits/stdc++.h>
#ifdef __LOCAL__
#include <debug_local.h>
#endif
using namespace std;
const int mxN = 2e5 + 5;
vector<int> ad[mxN];
string s;
int dp[mxN];
int ans = 0;
void dfs(int u, int p) {
for (int v : ad[u]) {
if (v == p) continue;
dfs(v, u);
}
int x = 0;
int val = s[u] - '0';
dp[u] = val;
for (int v : ad[u]) {
if (v == p) continue;
dp[u] = max(dp[u], dp[v] - val);
ans = max(ans, dp[v] + val);
x += dp[v];
}
dp[u] = max(dp[u], x - val);
ans = max(ans, dp[u]);
}
void testCase() {
int n;
cin >> n;
for (int i = 1; i < n; i++) {
int u, v;
cin >> u >> v;
ad[u].push_back(v);
ad[v].push_back(u);
}
cin >> s;
s = '#' + s;
dfs(1, -1);
cout << ans << "\n";
}
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
testCase();
return 0;
}
# |
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 |
4 ms |
5032 KB |
Output is correct |
4 |
Correct |
3 ms |
4948 KB |
Output is correct |
5 |
Correct |
3 ms |
5024 KB |
Output is correct |
6 |
Correct |
3 ms |
4948 KB |
Output is correct |
7 |
Correct |
3 ms |
4948 KB |
Output is correct |
8 |
Correct |
2 ms |
4948 KB |
Output is correct |
9 |
Correct |
3 ms |
4948 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 |
5020 KB |
Output is correct |
13 |
Correct |
4 ms |
4948 KB |
Output is correct |
14 |
Correct |
3 ms |
5028 KB |
Output is correct |
15 |
Correct |
3 ms |
5020 KB |
Output is correct |
16 |
Correct |
3 ms |
4964 KB |
Output is correct |
17 |
Correct |
3 ms |
4948 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 |
5020 KB |
Output is correct |
21 |
Correct |
3 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 |
4 ms |
5032 KB |
Output is correct |
4 |
Correct |
3 ms |
4948 KB |
Output is correct |
5 |
Correct |
3 ms |
5024 KB |
Output is correct |
6 |
Correct |
3 ms |
4948 KB |
Output is correct |
7 |
Correct |
3 ms |
4948 KB |
Output is correct |
8 |
Correct |
2 ms |
4948 KB |
Output is correct |
9 |
Correct |
3 ms |
4948 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 |
5020 KB |
Output is correct |
13 |
Correct |
4 ms |
4948 KB |
Output is correct |
14 |
Correct |
3 ms |
5028 KB |
Output is correct |
15 |
Correct |
3 ms |
5020 KB |
Output is correct |
16 |
Correct |
3 ms |
4964 KB |
Output is correct |
17 |
Correct |
3 ms |
4948 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 |
5020 KB |
Output is correct |
21 |
Correct |
3 ms |
4948 KB |
Output is correct |
22 |
Correct |
3 ms |
5076 KB |
Output is correct |
23 |
Correct |
4 ms |
5084 KB |
Output is correct |
24 |
Correct |
4 ms |
5084 KB |
Output is correct |
25 |
Correct |
3 ms |
5032 KB |
Output is correct |
26 |
Correct |
3 ms |
5076 KB |
Output is correct |
27 |
Correct |
5 ms |
5076 KB |
Output is correct |
28 |
Correct |
3 ms |
5076 KB |
Output is correct |
29 |
Correct |
3 ms |
5204 KB |
Output is correct |
30 |
Correct |
4 ms |
5160 KB |
Output is correct |
31 |
Correct |
4 ms |
5076 KB |
Output is correct |
32 |
Correct |
4 ms |
5076 KB |
Output is correct |
33 |
Correct |
3 ms |
5076 KB |
Output is correct |
34 |
Correct |
4 ms |
5036 KB |
Output is correct |
35 |
Correct |
3 ms |
5076 KB |
Output is correct |
36 |
Correct |
4 ms |
5076 KB |
Output is correct |
37 |
Correct |
4 ms |
5040 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 |
3 ms |
5168 KB |
Output is correct |
42 |
Correct |
4 ms |
5036 KB |
Output is correct |
43 |
Correct |
3 ms |
5076 KB |
Output is correct |
44 |
Correct |
4 ms |
5032 KB |
Output is correct |
45 |
Correct |
4 ms |
5036 KB |
Output is correct |
46 |
Correct |
3 ms |
5036 KB |
Output is correct |
47 |
Correct |
3 ms |
5028 KB |
Output is correct |
48 |
Correct |
4 ms |
5164 KB |
Output is correct |
49 |
Correct |
4 ms |
5076 KB |
Output is correct |
50 |
Correct |
4 ms |
5040 KB |
Output is correct |
51 |
Correct |
4 ms |
5036 KB |
Output is correct |
52 |
Correct |
4 ms |
5076 KB |
Output is correct |
53 |
Correct |
4 ms |
5076 KB |
Output is correct |
54 |
Correct |
4 ms |
5040 KB |
Output is correct |
55 |
Correct |
4 ms |
5076 KB |
Output is correct |
56 |
Correct |
4 ms |
5076 KB |
Output is correct |
57 |
Correct |
3 ms |
5168 KB |
Output is correct |
58 |
Correct |
4 ms |
5084 KB |
Output is correct |
59 |
Correct |
3 ms |
5036 KB |
Output is correct |
60 |
Correct |
4 ms |
5076 KB |
Output is correct |
61 |
Correct |
3 ms |
5048 KB |
Output is correct |
62 |
Correct |
4 ms |
5204 KB |
Output is correct |
63 |
Correct |
4 ms |
5076 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 |
4 ms |
5032 KB |
Output is correct |
4 |
Correct |
3 ms |
4948 KB |
Output is correct |
5 |
Correct |
3 ms |
5024 KB |
Output is correct |
6 |
Correct |
3 ms |
4948 KB |
Output is correct |
7 |
Correct |
3 ms |
4948 KB |
Output is correct |
8 |
Correct |
2 ms |
4948 KB |
Output is correct |
9 |
Correct |
3 ms |
4948 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 |
5020 KB |
Output is correct |
13 |
Correct |
4 ms |
4948 KB |
Output is correct |
14 |
Correct |
3 ms |
5028 KB |
Output is correct |
15 |
Correct |
3 ms |
5020 KB |
Output is correct |
16 |
Correct |
3 ms |
4964 KB |
Output is correct |
17 |
Correct |
3 ms |
4948 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 |
5020 KB |
Output is correct |
21 |
Correct |
3 ms |
4948 KB |
Output is correct |
22 |
Correct |
3 ms |
5076 KB |
Output is correct |
23 |
Correct |
4 ms |
5084 KB |
Output is correct |
24 |
Correct |
4 ms |
5084 KB |
Output is correct |
25 |
Correct |
3 ms |
5032 KB |
Output is correct |
26 |
Correct |
3 ms |
5076 KB |
Output is correct |
27 |
Correct |
5 ms |
5076 KB |
Output is correct |
28 |
Correct |
3 ms |
5076 KB |
Output is correct |
29 |
Correct |
3 ms |
5204 KB |
Output is correct |
30 |
Correct |
4 ms |
5160 KB |
Output is correct |
31 |
Correct |
4 ms |
5076 KB |
Output is correct |
32 |
Correct |
4 ms |
5076 KB |
Output is correct |
33 |
Correct |
3 ms |
5076 KB |
Output is correct |
34 |
Correct |
4 ms |
5036 KB |
Output is correct |
35 |
Correct |
3 ms |
5076 KB |
Output is correct |
36 |
Correct |
4 ms |
5076 KB |
Output is correct |
37 |
Correct |
4 ms |
5040 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 |
3 ms |
5168 KB |
Output is correct |
42 |
Correct |
4 ms |
5036 KB |
Output is correct |
43 |
Correct |
3 ms |
5076 KB |
Output is correct |
44 |
Correct |
4 ms |
5032 KB |
Output is correct |
45 |
Correct |
4 ms |
5036 KB |
Output is correct |
46 |
Correct |
3 ms |
5036 KB |
Output is correct |
47 |
Correct |
3 ms |
5028 KB |
Output is correct |
48 |
Correct |
4 ms |
5164 KB |
Output is correct |
49 |
Correct |
4 ms |
5076 KB |
Output is correct |
50 |
Correct |
4 ms |
5040 KB |
Output is correct |
51 |
Correct |
4 ms |
5036 KB |
Output is correct |
52 |
Correct |
4 ms |
5076 KB |
Output is correct |
53 |
Correct |
4 ms |
5076 KB |
Output is correct |
54 |
Correct |
4 ms |
5040 KB |
Output is correct |
55 |
Correct |
4 ms |
5076 KB |
Output is correct |
56 |
Correct |
4 ms |
5076 KB |
Output is correct |
57 |
Correct |
3 ms |
5168 KB |
Output is correct |
58 |
Correct |
4 ms |
5084 KB |
Output is correct |
59 |
Correct |
3 ms |
5036 KB |
Output is correct |
60 |
Correct |
4 ms |
5076 KB |
Output is correct |
61 |
Correct |
3 ms |
5048 KB |
Output is correct |
62 |
Correct |
4 ms |
5204 KB |
Output is correct |
63 |
Correct |
4 ms |
5076 KB |
Output is correct |
64 |
Correct |
130 ms |
15108 KB |
Output is correct |
65 |
Correct |
139 ms |
15168 KB |
Output is correct |
66 |
Correct |
130 ms |
15208 KB |
Output is correct |
67 |
Correct |
141 ms |
15176 KB |
Output is correct |
68 |
Correct |
144 ms |
15156 KB |
Output is correct |
69 |
Correct |
119 ms |
15172 KB |
Output is correct |
70 |
Correct |
118 ms |
15196 KB |
Output is correct |
71 |
Correct |
137 ms |
15208 KB |
Output is correct |
72 |
Correct |
145 ms |
15160 KB |
Output is correct |
73 |
Correct |
150 ms |
25160 KB |
Output is correct |
74 |
Correct |
133 ms |
25160 KB |
Output is correct |
75 |
Correct |
109 ms |
15032 KB |
Output is correct |
76 |
Correct |
124 ms |
15104 KB |
Output is correct |
77 |
Correct |
153 ms |
15084 KB |
Output is correct |
78 |
Correct |
122 ms |
14992 KB |
Output is correct |
79 |
Correct |
117 ms |
14980 KB |
Output is correct |
80 |
Correct |
120 ms |
15004 KB |
Output is correct |
81 |
Correct |
120 ms |
15424 KB |
Output is correct |
82 |
Correct |
135 ms |
15264 KB |
Output is correct |
83 |
Correct |
138 ms |
19160 KB |
Output is correct |
84 |
Correct |
129 ms |
20864 KB |
Output is correct |
85 |
Correct |
160 ms |
20612 KB |
Output is correct |
86 |
Correct |
132 ms |
16320 KB |
Output is correct |
87 |
Correct |
118 ms |
15800 KB |
Output is correct |
88 |
Correct |
128 ms |
16280 KB |
Output is correct |
89 |
Correct |
112 ms |
16212 KB |
Output is correct |
90 |
Correct |
116 ms |
16060 KB |
Output is correct |
91 |
Correct |
137 ms |
16268 KB |
Output is correct |
92 |
Correct |
173 ms |
16532 KB |
Output is correct |
93 |
Correct |
116 ms |
18364 KB |
Output is correct |
94 |
Correct |
106 ms |
19956 KB |
Output is correct |
95 |
Correct |
125 ms |
18688 KB |
Output is correct |
96 |
Correct |
134 ms |
17320 KB |
Output is correct |
97 |
Correct |
107 ms |
16128 KB |
Output is correct |
98 |
Correct |
113 ms |
15744 KB |
Output is correct |
99 |
Correct |
147 ms |
15676 KB |
Output is correct |
100 |
Correct |
128 ms |
18028 KB |
Output is correct |
101 |
Correct |
105 ms |
16360 KB |
Output is correct |
102 |
Correct |
113 ms |
15848 KB |
Output is correct |
103 |
Correct |
154 ms |
15724 KB |
Output is correct |
104 |
Correct |
107 ms |
16056 KB |
Output is correct |
105 |
Correct |
163 ms |
22600 KB |
Output is correct |
106 |
Correct |
78 ms |
15896 KB |
Output is correct |
107 |
Correct |
85 ms |
15968 KB |
Output is correct |
108 |
Correct |
204 ms |
25920 KB |
Output is correct |
109 |
Correct |
105 ms |
15984 KB |
Output is correct |
110 |
Correct |
188 ms |
26076 KB |
Output is correct |
111 |
Correct |
144 ms |
15064 KB |
Output is correct |