#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const int LIM=2e5+7;
vector<int>V[LIM];
int dp[LIM], ans;
string S;
void DFS(int x, int o) {
for(auto i : V[x]) if(i!=o) {
DFS(i, x);
if(S[x]=='1') ans=max(ans, dp[i]+1);
dp[x]+=dp[i];
}
if(S[x]=='1') --dp[x];
dp[x]=max(dp[x], S[x]-'0');
ans=max(ans, dp[x]);
}
int main() {
ios_base::sync_with_stdio(0); cin.tie(0);
int n;
cin >> n;
rep(i, n-1) {
int a, b;
cin >> a >> b; --a; --b;
V[a].pb(b);
V[b].pb(a);
}
cin >> S;
DFS(0, 0);
cout << ans << '\n';
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
5076 KB |
Output is correct |
2 |
Correct |
3 ms |
5016 KB |
Output is correct |
3 |
Correct |
3 ms |
4944 KB |
Output is correct |
4 |
Correct |
3 ms |
5016 KB |
Output is correct |
5 |
Correct |
2 ms |
4944 KB |
Output is correct |
6 |
Correct |
3 ms |
4924 KB |
Output is correct |
7 |
Correct |
3 ms |
5020 KB |
Output is correct |
8 |
Correct |
3 ms |
4944 KB |
Output is correct |
9 |
Correct |
2 ms |
4944 KB |
Output is correct |
10 |
Correct |
3 ms |
5020 KB |
Output is correct |
11 |
Correct |
2 ms |
4944 KB |
Output is correct |
12 |
Correct |
3 ms |
4944 KB |
Output is correct |
13 |
Correct |
3 ms |
4944 KB |
Output is correct |
14 |
Correct |
2 ms |
4944 KB |
Output is correct |
15 |
Correct |
3 ms |
4944 KB |
Output is correct |
16 |
Correct |
2 ms |
4944 KB |
Output is correct |
17 |
Correct |
2 ms |
4944 KB |
Output is correct |
18 |
Correct |
3 ms |
4944 KB |
Output is correct |
19 |
Correct |
3 ms |
5016 KB |
Output is correct |
20 |
Correct |
3 ms |
4944 KB |
Output is correct |
21 |
Correct |
3 ms |
4944 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
5076 KB |
Output is correct |
2 |
Correct |
3 ms |
5016 KB |
Output is correct |
3 |
Correct |
3 ms |
4944 KB |
Output is correct |
4 |
Correct |
3 ms |
5016 KB |
Output is correct |
5 |
Correct |
2 ms |
4944 KB |
Output is correct |
6 |
Correct |
3 ms |
4924 KB |
Output is correct |
7 |
Correct |
3 ms |
5020 KB |
Output is correct |
8 |
Correct |
3 ms |
4944 KB |
Output is correct |
9 |
Correct |
2 ms |
4944 KB |
Output is correct |
10 |
Correct |
3 ms |
5020 KB |
Output is correct |
11 |
Correct |
2 ms |
4944 KB |
Output is correct |
12 |
Correct |
3 ms |
4944 KB |
Output is correct |
13 |
Correct |
3 ms |
4944 KB |
Output is correct |
14 |
Correct |
2 ms |
4944 KB |
Output is correct |
15 |
Correct |
3 ms |
4944 KB |
Output is correct |
16 |
Correct |
2 ms |
4944 KB |
Output is correct |
17 |
Correct |
2 ms |
4944 KB |
Output is correct |
18 |
Correct |
3 ms |
4944 KB |
Output is correct |
19 |
Correct |
3 ms |
5016 KB |
Output is correct |
20 |
Correct |
3 ms |
4944 KB |
Output is correct |
21 |
Correct |
3 ms |
4944 KB |
Output is correct |
22 |
Correct |
3 ms |
5072 KB |
Output is correct |
23 |
Correct |
3 ms |
5072 KB |
Output is correct |
24 |
Correct |
3 ms |
5072 KB |
Output is correct |
25 |
Correct |
3 ms |
5072 KB |
Output is correct |
26 |
Correct |
3 ms |
5072 KB |
Output is correct |
27 |
Correct |
3 ms |
5072 KB |
Output is correct |
28 |
Correct |
3 ms |
5072 KB |
Output is correct |
29 |
Correct |
3 ms |
5200 KB |
Output is correct |
30 |
Correct |
4 ms |
5164 KB |
Output is correct |
31 |
Correct |
3 ms |
5072 KB |
Output is correct |
32 |
Correct |
3 ms |
5072 KB |
Output is correct |
33 |
Correct |
4 ms |
5072 KB |
Output is correct |
34 |
Correct |
4 ms |
5072 KB |
Output is correct |
35 |
Correct |
3 ms |
5072 KB |
Output is correct |
36 |
Correct |
3 ms |
5072 KB |
Output is correct |
37 |
Correct |
4 ms |
5028 KB |
Output is correct |
38 |
Correct |
3 ms |
5072 KB |
Output is correct |
39 |
Correct |
3 ms |
5156 KB |
Output is correct |
40 |
Correct |
3 ms |
5072 KB |
Output is correct |
41 |
Correct |
3 ms |
5072 KB |
Output is correct |
42 |
Correct |
4 ms |
5072 KB |
Output is correct |
43 |
Correct |
3 ms |
5072 KB |
Output is correct |
44 |
Correct |
3 ms |
5072 KB |
Output is correct |
45 |
Correct |
3 ms |
5072 KB |
Output is correct |
46 |
Correct |
3 ms |
5028 KB |
Output is correct |
47 |
Correct |
3 ms |
5072 KB |
Output is correct |
48 |
Correct |
3 ms |
5060 KB |
Output is correct |
49 |
Correct |
3 ms |
5072 KB |
Output is correct |
50 |
Correct |
3 ms |
5072 KB |
Output is correct |
51 |
Correct |
3 ms |
5072 KB |
Output is correct |
52 |
Correct |
3 ms |
5072 KB |
Output is correct |
53 |
Correct |
3 ms |
5072 KB |
Output is correct |
54 |
Correct |
3 ms |
5132 KB |
Output is correct |
55 |
Correct |
3 ms |
5072 KB |
Output is correct |
56 |
Correct |
3 ms |
5072 KB |
Output is correct |
57 |
Correct |
3 ms |
5200 KB |
Output is correct |
58 |
Correct |
3 ms |
5072 KB |
Output is correct |
59 |
Correct |
3 ms |
5072 KB |
Output is correct |
60 |
Correct |
3 ms |
5076 KB |
Output is correct |
61 |
Correct |
3 ms |
5076 KB |
Output is correct |
62 |
Correct |
3 ms |
5204 KB |
Output is correct |
63 |
Correct |
3 ms |
5076 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
5076 KB |
Output is correct |
2 |
Correct |
3 ms |
5016 KB |
Output is correct |
3 |
Correct |
3 ms |
4944 KB |
Output is correct |
4 |
Correct |
3 ms |
5016 KB |
Output is correct |
5 |
Correct |
2 ms |
4944 KB |
Output is correct |
6 |
Correct |
3 ms |
4924 KB |
Output is correct |
7 |
Correct |
3 ms |
5020 KB |
Output is correct |
8 |
Correct |
3 ms |
4944 KB |
Output is correct |
9 |
Correct |
2 ms |
4944 KB |
Output is correct |
10 |
Correct |
3 ms |
5020 KB |
Output is correct |
11 |
Correct |
2 ms |
4944 KB |
Output is correct |
12 |
Correct |
3 ms |
4944 KB |
Output is correct |
13 |
Correct |
3 ms |
4944 KB |
Output is correct |
14 |
Correct |
2 ms |
4944 KB |
Output is correct |
15 |
Correct |
3 ms |
4944 KB |
Output is correct |
16 |
Correct |
2 ms |
4944 KB |
Output is correct |
17 |
Correct |
2 ms |
4944 KB |
Output is correct |
18 |
Correct |
3 ms |
4944 KB |
Output is correct |
19 |
Correct |
3 ms |
5016 KB |
Output is correct |
20 |
Correct |
3 ms |
4944 KB |
Output is correct |
21 |
Correct |
3 ms |
4944 KB |
Output is correct |
22 |
Correct |
3 ms |
5072 KB |
Output is correct |
23 |
Correct |
3 ms |
5072 KB |
Output is correct |
24 |
Correct |
3 ms |
5072 KB |
Output is correct |
25 |
Correct |
3 ms |
5072 KB |
Output is correct |
26 |
Correct |
3 ms |
5072 KB |
Output is correct |
27 |
Correct |
3 ms |
5072 KB |
Output is correct |
28 |
Correct |
3 ms |
5072 KB |
Output is correct |
29 |
Correct |
3 ms |
5200 KB |
Output is correct |
30 |
Correct |
4 ms |
5164 KB |
Output is correct |
31 |
Correct |
3 ms |
5072 KB |
Output is correct |
32 |
Correct |
3 ms |
5072 KB |
Output is correct |
33 |
Correct |
4 ms |
5072 KB |
Output is correct |
34 |
Correct |
4 ms |
5072 KB |
Output is correct |
35 |
Correct |
3 ms |
5072 KB |
Output is correct |
36 |
Correct |
3 ms |
5072 KB |
Output is correct |
37 |
Correct |
4 ms |
5028 KB |
Output is correct |
38 |
Correct |
3 ms |
5072 KB |
Output is correct |
39 |
Correct |
3 ms |
5156 KB |
Output is correct |
40 |
Correct |
3 ms |
5072 KB |
Output is correct |
41 |
Correct |
3 ms |
5072 KB |
Output is correct |
42 |
Correct |
4 ms |
5072 KB |
Output is correct |
43 |
Correct |
3 ms |
5072 KB |
Output is correct |
44 |
Correct |
3 ms |
5072 KB |
Output is correct |
45 |
Correct |
3 ms |
5072 KB |
Output is correct |
46 |
Correct |
3 ms |
5028 KB |
Output is correct |
47 |
Correct |
3 ms |
5072 KB |
Output is correct |
48 |
Correct |
3 ms |
5060 KB |
Output is correct |
49 |
Correct |
3 ms |
5072 KB |
Output is correct |
50 |
Correct |
3 ms |
5072 KB |
Output is correct |
51 |
Correct |
3 ms |
5072 KB |
Output is correct |
52 |
Correct |
3 ms |
5072 KB |
Output is correct |
53 |
Correct |
3 ms |
5072 KB |
Output is correct |
54 |
Correct |
3 ms |
5132 KB |
Output is correct |
55 |
Correct |
3 ms |
5072 KB |
Output is correct |
56 |
Correct |
3 ms |
5072 KB |
Output is correct |
57 |
Correct |
3 ms |
5200 KB |
Output is correct |
58 |
Correct |
3 ms |
5072 KB |
Output is correct |
59 |
Correct |
3 ms |
5072 KB |
Output is correct |
60 |
Correct |
3 ms |
5076 KB |
Output is correct |
61 |
Correct |
3 ms |
5076 KB |
Output is correct |
62 |
Correct |
3 ms |
5204 KB |
Output is correct |
63 |
Correct |
3 ms |
5076 KB |
Output is correct |
64 |
Correct |
114 ms |
15116 KB |
Output is correct |
65 |
Correct |
113 ms |
15120 KB |
Output is correct |
66 |
Correct |
112 ms |
15092 KB |
Output is correct |
67 |
Correct |
114 ms |
15100 KB |
Output is correct |
68 |
Correct |
120 ms |
15136 KB |
Output is correct |
69 |
Correct |
122 ms |
15200 KB |
Output is correct |
70 |
Correct |
115 ms |
15144 KB |
Output is correct |
71 |
Correct |
117 ms |
15180 KB |
Output is correct |
72 |
Correct |
112 ms |
15180 KB |
Output is correct |
73 |
Correct |
140 ms |
27752 KB |
Output is correct |
74 |
Correct |
133 ms |
27704 KB |
Output is correct |
75 |
Correct |
113 ms |
15012 KB |
Output is correct |
76 |
Correct |
110 ms |
14992 KB |
Output is correct |
77 |
Correct |
120 ms |
15048 KB |
Output is correct |
78 |
Correct |
130 ms |
15064 KB |
Output is correct |
79 |
Correct |
122 ms |
15000 KB |
Output is correct |
80 |
Correct |
118 ms |
15008 KB |
Output is correct |
81 |
Correct |
93 ms |
15496 KB |
Output is correct |
82 |
Correct |
105 ms |
15300 KB |
Output is correct |
83 |
Correct |
131 ms |
20232 KB |
Output is correct |
84 |
Correct |
126 ms |
22452 KB |
Output is correct |
85 |
Correct |
124 ms |
21988 KB |
Output is correct |
86 |
Correct |
118 ms |
16532 KB |
Output is correct |
87 |
Correct |
130 ms |
15900 KB |
Output is correct |
88 |
Correct |
116 ms |
16388 KB |
Output is correct |
89 |
Correct |
111 ms |
16372 KB |
Output is correct |
90 |
Correct |
109 ms |
16144 KB |
Output is correct |
91 |
Correct |
112 ms |
16360 KB |
Output is correct |
92 |
Correct |
113 ms |
16720 KB |
Output is correct |
93 |
Correct |
110 ms |
19032 KB |
Output is correct |
94 |
Correct |
103 ms |
20924 KB |
Output is correct |
95 |
Correct |
102 ms |
19504 KB |
Output is correct |
96 |
Correct |
114 ms |
17772 KB |
Output is correct |
97 |
Correct |
113 ms |
16172 KB |
Output is correct |
98 |
Correct |
107 ms |
15756 KB |
Output is correct |
99 |
Correct |
114 ms |
15496 KB |
Output is correct |
100 |
Correct |
106 ms |
18632 KB |
Output is correct |
101 |
Correct |
127 ms |
16756 KB |
Output is correct |
102 |
Correct |
106 ms |
16024 KB |
Output is correct |
103 |
Correct |
120 ms |
15720 KB |
Output is correct |
104 |
Correct |
66 ms |
16068 KB |
Output is correct |
105 |
Correct |
130 ms |
24500 KB |
Output is correct |
106 |
Correct |
67 ms |
15932 KB |
Output is correct |
107 |
Correct |
70 ms |
15944 KB |
Output is correct |
108 |
Correct |
140 ms |
28468 KB |
Output is correct |
109 |
Correct |
65 ms |
15992 KB |
Output is correct |
110 |
Correct |
133 ms |
28812 KB |
Output is correct |
111 |
Correct |
101 ms |
15044 KB |
Output is correct |