#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
string s = "0";
int res;
int dp[200005];
vector <int> graf[200005];
void dfs(int v, int par){
int mx = 0;
for(auto c : graf[v]){
if(c == par) continue;
dfs(c, v);
dp[v] += dp[c];
mx = max(mx, dp[c]);
}
if(s[v] == '1') res = max(res, 1+mx);
else res = max(res, dp[v]);
dp[v] -= s[v]-'0';
if(dp[v] <= 0 && s[v] == '1') dp[v] = 1;
//cout << v << " " << dp[v] << endl;
res = max(res, dp[v]);
}
int main(){
ios_base::sync_with_stdio(false), cin.tie(0);
cout.precision(10);
cout << fixed;
int n;
cin >> n;
for(int i=1; i<n; i++){
int a, b;
cin >> a >> b;
graf[a].push_back(b);
graf[b].push_back(a);
}
string g;
cin >> g;
s += g;
dfs(1, 0);
cout << res;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4940 KB |
Output is correct |
2 |
Correct |
3 ms |
5016 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 |
5012 KB |
Output is correct |
6 |
Correct |
3 ms |
4984 KB |
Output is correct |
7 |
Correct |
3 ms |
4940 KB |
Output is correct |
8 |
Correct |
3 ms |
5016 KB |
Output is correct |
9 |
Correct |
3 ms |
4996 KB |
Output is correct |
10 |
Correct |
3 ms |
5008 KB |
Output is correct |
11 |
Correct |
3 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 |
4940 KB |
Output is correct |
15 |
Correct |
4 ms |
4940 KB |
Output is correct |
16 |
Correct |
4 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 |
3 ms |
4940 KB |
Output is correct |
21 |
Correct |
4 ms |
5016 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4940 KB |
Output is correct |
2 |
Correct |
3 ms |
5016 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 |
5012 KB |
Output is correct |
6 |
Correct |
3 ms |
4984 KB |
Output is correct |
7 |
Correct |
3 ms |
4940 KB |
Output is correct |
8 |
Correct |
3 ms |
5016 KB |
Output is correct |
9 |
Correct |
3 ms |
4996 KB |
Output is correct |
10 |
Correct |
3 ms |
5008 KB |
Output is correct |
11 |
Correct |
3 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 |
4940 KB |
Output is correct |
15 |
Correct |
4 ms |
4940 KB |
Output is correct |
16 |
Correct |
4 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 |
3 ms |
4940 KB |
Output is correct |
21 |
Correct |
4 ms |
5016 KB |
Output is correct |
22 |
Correct |
5 ms |
5068 KB |
Output is correct |
23 |
Correct |
5 ms |
5068 KB |
Output is correct |
24 |
Correct |
4 ms |
5068 KB |
Output is correct |
25 |
Correct |
4 ms |
5032 KB |
Output is correct |
26 |
Correct |
4 ms |
5068 KB |
Output is correct |
27 |
Correct |
5 ms |
5068 KB |
Output is correct |
28 |
Correct |
4 ms |
5028 KB |
Output is correct |
29 |
Correct |
4 ms |
5152 KB |
Output is correct |
30 |
Correct |
4 ms |
5156 KB |
Output is correct |
31 |
Correct |
4 ms |
5068 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 |
5068 KB |
Output is correct |
35 |
Correct |
4 ms |
5068 KB |
Output is correct |
36 |
Correct |
4 ms |
5068 KB |
Output is correct |
37 |
Correct |
5 ms |
5068 KB |
Output is correct |
38 |
Correct |
4 ms |
5068 KB |
Output is correct |
39 |
Correct |
4 ms |
5068 KB |
Output is correct |
40 |
Correct |
4 ms |
5028 KB |
Output is correct |
41 |
Correct |
4 ms |
5068 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 |
5068 KB |
Output is correct |
45 |
Correct |
4 ms |
5068 KB |
Output is correct |
46 |
Correct |
4 ms |
5028 KB |
Output is correct |
47 |
Correct |
4 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 |
5068 KB |
Output is correct |
51 |
Correct |
4 ms |
5068 KB |
Output is correct |
52 |
Correct |
4 ms |
5068 KB |
Output is correct |
53 |
Correct |
4 ms |
5068 KB |
Output is correct |
54 |
Correct |
4 ms |
5068 KB |
Output is correct |
55 |
Correct |
4 ms |
5024 KB |
Output is correct |
56 |
Correct |
4 ms |
5068 KB |
Output is correct |
57 |
Correct |
4 ms |
5196 KB |
Output is correct |
58 |
Correct |
3 ms |
5068 KB |
Output is correct |
59 |
Correct |
4 ms |
5068 KB |
Output is correct |
60 |
Correct |
4 ms |
5068 KB |
Output is correct |
61 |
Correct |
4 ms |
5028 KB |
Output is correct |
62 |
Correct |
4 ms |
5196 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 |
3 ms |
5016 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 |
5012 KB |
Output is correct |
6 |
Correct |
3 ms |
4984 KB |
Output is correct |
7 |
Correct |
3 ms |
4940 KB |
Output is correct |
8 |
Correct |
3 ms |
5016 KB |
Output is correct |
9 |
Correct |
3 ms |
4996 KB |
Output is correct |
10 |
Correct |
3 ms |
5008 KB |
Output is correct |
11 |
Correct |
3 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 |
4940 KB |
Output is correct |
15 |
Correct |
4 ms |
4940 KB |
Output is correct |
16 |
Correct |
4 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 |
3 ms |
4940 KB |
Output is correct |
21 |
Correct |
4 ms |
5016 KB |
Output is correct |
22 |
Correct |
5 ms |
5068 KB |
Output is correct |
23 |
Correct |
5 ms |
5068 KB |
Output is correct |
24 |
Correct |
4 ms |
5068 KB |
Output is correct |
25 |
Correct |
4 ms |
5032 KB |
Output is correct |
26 |
Correct |
4 ms |
5068 KB |
Output is correct |
27 |
Correct |
5 ms |
5068 KB |
Output is correct |
28 |
Correct |
4 ms |
5028 KB |
Output is correct |
29 |
Correct |
4 ms |
5152 KB |
Output is correct |
30 |
Correct |
4 ms |
5156 KB |
Output is correct |
31 |
Correct |
4 ms |
5068 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 |
5068 KB |
Output is correct |
35 |
Correct |
4 ms |
5068 KB |
Output is correct |
36 |
Correct |
4 ms |
5068 KB |
Output is correct |
37 |
Correct |
5 ms |
5068 KB |
Output is correct |
38 |
Correct |
4 ms |
5068 KB |
Output is correct |
39 |
Correct |
4 ms |
5068 KB |
Output is correct |
40 |
Correct |
4 ms |
5028 KB |
Output is correct |
41 |
Correct |
4 ms |
5068 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 |
5068 KB |
Output is correct |
45 |
Correct |
4 ms |
5068 KB |
Output is correct |
46 |
Correct |
4 ms |
5028 KB |
Output is correct |
47 |
Correct |
4 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 |
5068 KB |
Output is correct |
51 |
Correct |
4 ms |
5068 KB |
Output is correct |
52 |
Correct |
4 ms |
5068 KB |
Output is correct |
53 |
Correct |
4 ms |
5068 KB |
Output is correct |
54 |
Correct |
4 ms |
5068 KB |
Output is correct |
55 |
Correct |
4 ms |
5024 KB |
Output is correct |
56 |
Correct |
4 ms |
5068 KB |
Output is correct |
57 |
Correct |
4 ms |
5196 KB |
Output is correct |
58 |
Correct |
3 ms |
5068 KB |
Output is correct |
59 |
Correct |
4 ms |
5068 KB |
Output is correct |
60 |
Correct |
4 ms |
5068 KB |
Output is correct |
61 |
Correct |
4 ms |
5028 KB |
Output is correct |
62 |
Correct |
4 ms |
5196 KB |
Output is correct |
63 |
Correct |
4 ms |
5068 KB |
Output is correct |
64 |
Correct |
138 ms |
15348 KB |
Output is correct |
65 |
Correct |
148 ms |
15476 KB |
Output is correct |
66 |
Correct |
132 ms |
15404 KB |
Output is correct |
67 |
Correct |
143 ms |
15388 KB |
Output is correct |
68 |
Correct |
180 ms |
15344 KB |
Output is correct |
69 |
Correct |
137 ms |
15296 KB |
Output is correct |
70 |
Correct |
134 ms |
15272 KB |
Output is correct |
71 |
Correct |
146 ms |
15360 KB |
Output is correct |
72 |
Correct |
168 ms |
15400 KB |
Output is correct |
73 |
Correct |
166 ms |
27916 KB |
Output is correct |
74 |
Correct |
166 ms |
27908 KB |
Output is correct |
75 |
Correct |
136 ms |
15256 KB |
Output is correct |
76 |
Correct |
160 ms |
15404 KB |
Output is correct |
77 |
Correct |
152 ms |
15164 KB |
Output is correct |
78 |
Correct |
141 ms |
15236 KB |
Output is correct |
79 |
Correct |
160 ms |
15212 KB |
Output is correct |
80 |
Correct |
155 ms |
15292 KB |
Output is correct |
81 |
Correct |
127 ms |
15504 KB |
Output is correct |
82 |
Correct |
128 ms |
15368 KB |
Output is correct |
83 |
Correct |
156 ms |
20488 KB |
Output is correct |
84 |
Correct |
146 ms |
22636 KB |
Output is correct |
85 |
Correct |
161 ms |
22372 KB |
Output is correct |
86 |
Correct |
146 ms |
16644 KB |
Output is correct |
87 |
Correct |
143 ms |
16104 KB |
Output is correct |
88 |
Correct |
157 ms |
16648 KB |
Output is correct |
89 |
Correct |
130 ms |
16528 KB |
Output is correct |
90 |
Correct |
135 ms |
16308 KB |
Output is correct |
91 |
Correct |
135 ms |
16656 KB |
Output is correct |
92 |
Correct |
133 ms |
16880 KB |
Output is correct |
93 |
Correct |
136 ms |
19288 KB |
Output is correct |
94 |
Correct |
133 ms |
21024 KB |
Output is correct |
95 |
Correct |
139 ms |
19644 KB |
Output is correct |
96 |
Correct |
131 ms |
17944 KB |
Output is correct |
97 |
Correct |
133 ms |
16520 KB |
Output is correct |
98 |
Correct |
132 ms |
15920 KB |
Output is correct |
99 |
Correct |
142 ms |
15704 KB |
Output is correct |
100 |
Correct |
138 ms |
18928 KB |
Output is correct |
101 |
Correct |
131 ms |
16796 KB |
Output is correct |
102 |
Correct |
132 ms |
16280 KB |
Output is correct |
103 |
Correct |
133 ms |
15872 KB |
Output is correct |
104 |
Correct |
92 ms |
16052 KB |
Output is correct |
105 |
Correct |
158 ms |
24728 KB |
Output is correct |
106 |
Correct |
95 ms |
15916 KB |
Output is correct |
107 |
Correct |
89 ms |
15920 KB |
Output is correct |
108 |
Correct |
154 ms |
28676 KB |
Output is correct |
109 |
Correct |
106 ms |
16060 KB |
Output is correct |
110 |
Correct |
166 ms |
29044 KB |
Output is correct |
111 |
Correct |
158 ms |
15276 KB |
Output is correct |