#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 |
4992 KB |
Output is correct |
2 |
Correct |
3 ms |
4992 KB |
Output is correct |
3 |
Correct |
4 ms |
5120 KB |
Output is correct |
4 |
Correct |
4 ms |
4992 KB |
Output is correct |
5 |
Correct |
4 ms |
4992 KB |
Output is correct |
6 |
Correct |
3 ms |
4992 KB |
Output is correct |
7 |
Correct |
4 ms |
5120 KB |
Output is correct |
8 |
Correct |
4 ms |
4992 KB |
Output is correct |
9 |
Correct |
4 ms |
4992 KB |
Output is correct |
10 |
Correct |
4 ms |
4992 KB |
Output is correct |
11 |
Correct |
3 ms |
4992 KB |
Output is correct |
12 |
Correct |
4 ms |
4992 KB |
Output is correct |
13 |
Correct |
4 ms |
4992 KB |
Output is correct |
14 |
Correct |
4 ms |
4992 KB |
Output is correct |
15 |
Correct |
4 ms |
4992 KB |
Output is correct |
16 |
Correct |
4 ms |
4992 KB |
Output is correct |
17 |
Correct |
4 ms |
4992 KB |
Output is correct |
18 |
Correct |
4 ms |
4992 KB |
Output is correct |
19 |
Correct |
4 ms |
4992 KB |
Output is correct |
20 |
Correct |
4 ms |
4992 KB |
Output is correct |
21 |
Correct |
4 ms |
4992 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4992 KB |
Output is correct |
2 |
Correct |
3 ms |
4992 KB |
Output is correct |
3 |
Correct |
4 ms |
5120 KB |
Output is correct |
4 |
Correct |
4 ms |
4992 KB |
Output is correct |
5 |
Correct |
4 ms |
4992 KB |
Output is correct |
6 |
Correct |
3 ms |
4992 KB |
Output is correct |
7 |
Correct |
4 ms |
5120 KB |
Output is correct |
8 |
Correct |
4 ms |
4992 KB |
Output is correct |
9 |
Correct |
4 ms |
4992 KB |
Output is correct |
10 |
Correct |
4 ms |
4992 KB |
Output is correct |
11 |
Correct |
3 ms |
4992 KB |
Output is correct |
12 |
Correct |
4 ms |
4992 KB |
Output is correct |
13 |
Correct |
4 ms |
4992 KB |
Output is correct |
14 |
Correct |
4 ms |
4992 KB |
Output is correct |
15 |
Correct |
4 ms |
4992 KB |
Output is correct |
16 |
Correct |
4 ms |
4992 KB |
Output is correct |
17 |
Correct |
4 ms |
4992 KB |
Output is correct |
18 |
Correct |
4 ms |
4992 KB |
Output is correct |
19 |
Correct |
4 ms |
4992 KB |
Output is correct |
20 |
Correct |
4 ms |
4992 KB |
Output is correct |
21 |
Correct |
4 ms |
4992 KB |
Output is correct |
22 |
Correct |
5 ms |
5120 KB |
Output is correct |
23 |
Correct |
5 ms |
5120 KB |
Output is correct |
24 |
Correct |
4 ms |
5120 KB |
Output is correct |
25 |
Correct |
4 ms |
5120 KB |
Output is correct |
26 |
Correct |
5 ms |
5120 KB |
Output is correct |
27 |
Correct |
4 ms |
5120 KB |
Output is correct |
28 |
Correct |
4 ms |
5120 KB |
Output is correct |
29 |
Correct |
5 ms |
5248 KB |
Output is correct |
30 |
Correct |
4 ms |
5248 KB |
Output is correct |
31 |
Correct |
4 ms |
5120 KB |
Output is correct |
32 |
Correct |
5 ms |
5120 KB |
Output is correct |
33 |
Correct |
5 ms |
5120 KB |
Output is correct |
34 |
Correct |
4 ms |
5120 KB |
Output is correct |
35 |
Correct |
4 ms |
5120 KB |
Output is correct |
36 |
Correct |
4 ms |
5120 KB |
Output is correct |
37 |
Correct |
4 ms |
5120 KB |
Output is correct |
38 |
Correct |
4 ms |
5120 KB |
Output is correct |
39 |
Correct |
4 ms |
5120 KB |
Output is correct |
40 |
Correct |
4 ms |
5120 KB |
Output is correct |
41 |
Correct |
4 ms |
5120 KB |
Output is correct |
42 |
Correct |
4 ms |
5120 KB |
Output is correct |
43 |
Correct |
4 ms |
5120 KB |
Output is correct |
44 |
Correct |
4 ms |
5120 KB |
Output is correct |
45 |
Correct |
5 ms |
5120 KB |
Output is correct |
46 |
Correct |
5 ms |
5120 KB |
Output is correct |
47 |
Correct |
6 ms |
5248 KB |
Output is correct |
48 |
Correct |
4 ms |
5248 KB |
Output is correct |
49 |
Correct |
5 ms |
5248 KB |
Output is correct |
50 |
Correct |
4 ms |
5120 KB |
Output is correct |
51 |
Correct |
5 ms |
5120 KB |
Output is correct |
52 |
Correct |
5 ms |
5120 KB |
Output is correct |
53 |
Correct |
5 ms |
5120 KB |
Output is correct |
54 |
Correct |
5 ms |
5120 KB |
Output is correct |
55 |
Correct |
5 ms |
5120 KB |
Output is correct |
56 |
Correct |
4 ms |
5120 KB |
Output is correct |
57 |
Correct |
4 ms |
5248 KB |
Output is correct |
58 |
Correct |
4 ms |
5120 KB |
Output is correct |
59 |
Correct |
4 ms |
5120 KB |
Output is correct |
60 |
Correct |
4 ms |
5248 KB |
Output is correct |
61 |
Correct |
4 ms |
5120 KB |
Output is correct |
62 |
Correct |
4 ms |
5248 KB |
Output is correct |
63 |
Correct |
4 ms |
5120 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4992 KB |
Output is correct |
2 |
Correct |
3 ms |
4992 KB |
Output is correct |
3 |
Correct |
4 ms |
5120 KB |
Output is correct |
4 |
Correct |
4 ms |
4992 KB |
Output is correct |
5 |
Correct |
4 ms |
4992 KB |
Output is correct |
6 |
Correct |
3 ms |
4992 KB |
Output is correct |
7 |
Correct |
4 ms |
5120 KB |
Output is correct |
8 |
Correct |
4 ms |
4992 KB |
Output is correct |
9 |
Correct |
4 ms |
4992 KB |
Output is correct |
10 |
Correct |
4 ms |
4992 KB |
Output is correct |
11 |
Correct |
3 ms |
4992 KB |
Output is correct |
12 |
Correct |
4 ms |
4992 KB |
Output is correct |
13 |
Correct |
4 ms |
4992 KB |
Output is correct |
14 |
Correct |
4 ms |
4992 KB |
Output is correct |
15 |
Correct |
4 ms |
4992 KB |
Output is correct |
16 |
Correct |
4 ms |
4992 KB |
Output is correct |
17 |
Correct |
4 ms |
4992 KB |
Output is correct |
18 |
Correct |
4 ms |
4992 KB |
Output is correct |
19 |
Correct |
4 ms |
4992 KB |
Output is correct |
20 |
Correct |
4 ms |
4992 KB |
Output is correct |
21 |
Correct |
4 ms |
4992 KB |
Output is correct |
22 |
Correct |
5 ms |
5120 KB |
Output is correct |
23 |
Correct |
5 ms |
5120 KB |
Output is correct |
24 |
Correct |
4 ms |
5120 KB |
Output is correct |
25 |
Correct |
4 ms |
5120 KB |
Output is correct |
26 |
Correct |
5 ms |
5120 KB |
Output is correct |
27 |
Correct |
4 ms |
5120 KB |
Output is correct |
28 |
Correct |
4 ms |
5120 KB |
Output is correct |
29 |
Correct |
5 ms |
5248 KB |
Output is correct |
30 |
Correct |
4 ms |
5248 KB |
Output is correct |
31 |
Correct |
4 ms |
5120 KB |
Output is correct |
32 |
Correct |
5 ms |
5120 KB |
Output is correct |
33 |
Correct |
5 ms |
5120 KB |
Output is correct |
34 |
Correct |
4 ms |
5120 KB |
Output is correct |
35 |
Correct |
4 ms |
5120 KB |
Output is correct |
36 |
Correct |
4 ms |
5120 KB |
Output is correct |
37 |
Correct |
4 ms |
5120 KB |
Output is correct |
38 |
Correct |
4 ms |
5120 KB |
Output is correct |
39 |
Correct |
4 ms |
5120 KB |
Output is correct |
40 |
Correct |
4 ms |
5120 KB |
Output is correct |
41 |
Correct |
4 ms |
5120 KB |
Output is correct |
42 |
Correct |
4 ms |
5120 KB |
Output is correct |
43 |
Correct |
4 ms |
5120 KB |
Output is correct |
44 |
Correct |
4 ms |
5120 KB |
Output is correct |
45 |
Correct |
5 ms |
5120 KB |
Output is correct |
46 |
Correct |
5 ms |
5120 KB |
Output is correct |
47 |
Correct |
6 ms |
5248 KB |
Output is correct |
48 |
Correct |
4 ms |
5248 KB |
Output is correct |
49 |
Correct |
5 ms |
5248 KB |
Output is correct |
50 |
Correct |
4 ms |
5120 KB |
Output is correct |
51 |
Correct |
5 ms |
5120 KB |
Output is correct |
52 |
Correct |
5 ms |
5120 KB |
Output is correct |
53 |
Correct |
5 ms |
5120 KB |
Output is correct |
54 |
Correct |
5 ms |
5120 KB |
Output is correct |
55 |
Correct |
5 ms |
5120 KB |
Output is correct |
56 |
Correct |
4 ms |
5120 KB |
Output is correct |
57 |
Correct |
4 ms |
5248 KB |
Output is correct |
58 |
Correct |
4 ms |
5120 KB |
Output is correct |
59 |
Correct |
4 ms |
5120 KB |
Output is correct |
60 |
Correct |
4 ms |
5248 KB |
Output is correct |
61 |
Correct |
4 ms |
5120 KB |
Output is correct |
62 |
Correct |
4 ms |
5248 KB |
Output is correct |
63 |
Correct |
4 ms |
5120 KB |
Output is correct |
64 |
Correct |
169 ms |
14396 KB |
Output is correct |
65 |
Correct |
169 ms |
14520 KB |
Output is correct |
66 |
Correct |
172 ms |
14372 KB |
Output is correct |
67 |
Correct |
170 ms |
14388 KB |
Output is correct |
68 |
Correct |
173 ms |
14500 KB |
Output is correct |
69 |
Correct |
173 ms |
14520 KB |
Output is correct |
70 |
Correct |
167 ms |
14508 KB |
Output is correct |
71 |
Correct |
174 ms |
14404 KB |
Output is correct |
72 |
Correct |
175 ms |
14388 KB |
Output is correct |
73 |
Correct |
192 ms |
27192 KB |
Output is correct |
74 |
Correct |
193 ms |
27028 KB |
Output is correct |
75 |
Correct |
170 ms |
14264 KB |
Output is correct |
76 |
Correct |
171 ms |
14524 KB |
Output is correct |
77 |
Correct |
171 ms |
14260 KB |
Output is correct |
78 |
Correct |
165 ms |
14268 KB |
Output is correct |
79 |
Correct |
170 ms |
14272 KB |
Output is correct |
80 |
Correct |
171 ms |
14264 KB |
Output is correct |
81 |
Correct |
146 ms |
14580 KB |
Output is correct |
82 |
Correct |
150 ms |
14044 KB |
Output is correct |
83 |
Correct |
171 ms |
19132 KB |
Output is correct |
84 |
Correct |
175 ms |
21192 KB |
Output is correct |
85 |
Correct |
171 ms |
20804 KB |
Output is correct |
86 |
Correct |
165 ms |
15284 KB |
Output is correct |
87 |
Correct |
163 ms |
14644 KB |
Output is correct |
88 |
Correct |
161 ms |
15092 KB |
Output is correct |
89 |
Correct |
154 ms |
15052 KB |
Output is correct |
90 |
Correct |
155 ms |
14876 KB |
Output is correct |
91 |
Correct |
155 ms |
15132 KB |
Output is correct |
92 |
Correct |
160 ms |
15400 KB |
Output is correct |
93 |
Correct |
151 ms |
17920 KB |
Output is correct |
94 |
Correct |
150 ms |
19572 KB |
Output is correct |
95 |
Correct |
156 ms |
18288 KB |
Output is correct |
96 |
Correct |
155 ms |
16420 KB |
Output is correct |
97 |
Correct |
155 ms |
14872 KB |
Output is correct |
98 |
Correct |
159 ms |
14440 KB |
Output is correct |
99 |
Correct |
190 ms |
14260 KB |
Output is correct |
100 |
Correct |
146 ms |
17316 KB |
Output is correct |
101 |
Correct |
151 ms |
15412 KB |
Output is correct |
102 |
Correct |
147 ms |
14584 KB |
Output is correct |
103 |
Correct |
160 ms |
14424 KB |
Output is correct |
104 |
Correct |
108 ms |
14440 KB |
Output is correct |
105 |
Correct |
187 ms |
23224 KB |
Output is correct |
106 |
Correct |
106 ms |
14444 KB |
Output is correct |
107 |
Correct |
105 ms |
14444 KB |
Output is correct |
108 |
Correct |
190 ms |
27320 KB |
Output is correct |
109 |
Correct |
106 ms |
14444 KB |
Output is correct |
110 |
Correct |
184 ms |
27576 KB |
Output is correct |
111 |
Correct |
152 ms |
13772 KB |
Output is correct |