#include <bits/stdc++.h>
#define fi first
#define se second
#define sajz(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
const int N = 2e5+7;
string type; int n, dp[N], res = 0;
vector<int> g[N];
void dfs(int v, int par){
int mx = 0;
for (auto u : g[v]){
if (u == par) continue;
dfs(u, v);
dp[v] += dp[u];
mx = max(mx, dp[u]);
}
if (type[v-1] == '1'){
dp[v] = max(1, dp[v] - 1);
res = max(res, mx + 1);
}
res = max(res, dp[v]);
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cin >> n;
for (int i=0; i<n-1; i++){
int a, b; cin >> a >> b;
g[a].push_back(b);
g[b].push_back(a);
}
cin >> type;
dfs(1, 1);
//for (int i=1; i<=n; i++) cout << i << ": " << dp[i] << '\n';
cout << res << '\n';
return 0;
}
/*
6
2 3
4 3
1 3
3 5
6 2
110011
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4952 KB |
Output is correct |
2 |
Correct |
1 ms |
4956 KB |
Output is correct |
3 |
Correct |
2 ms |
4956 KB |
Output is correct |
4 |
Correct |
2 ms |
5160 KB |
Output is correct |
5 |
Correct |
2 ms |
4956 KB |
Output is correct |
6 |
Correct |
1 ms |
4952 KB |
Output is correct |
7 |
Correct |
1 ms |
4956 KB |
Output is correct |
8 |
Correct |
1 ms |
5152 KB |
Output is correct |
9 |
Correct |
1 ms |
4956 KB |
Output is correct |
10 |
Correct |
1 ms |
4956 KB |
Output is correct |
11 |
Correct |
1 ms |
4956 KB |
Output is correct |
12 |
Correct |
1 ms |
4956 KB |
Output is correct |
13 |
Correct |
2 ms |
4956 KB |
Output is correct |
14 |
Correct |
2 ms |
4956 KB |
Output is correct |
15 |
Correct |
1 ms |
4956 KB |
Output is correct |
16 |
Correct |
2 ms |
4956 KB |
Output is correct |
17 |
Correct |
2 ms |
4956 KB |
Output is correct |
18 |
Correct |
2 ms |
4956 KB |
Output is correct |
19 |
Correct |
1 ms |
4956 KB |
Output is correct |
20 |
Correct |
1 ms |
4956 KB |
Output is correct |
21 |
Correct |
1 ms |
4956 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4952 KB |
Output is correct |
2 |
Correct |
1 ms |
4956 KB |
Output is correct |
3 |
Correct |
2 ms |
4956 KB |
Output is correct |
4 |
Correct |
2 ms |
5160 KB |
Output is correct |
5 |
Correct |
2 ms |
4956 KB |
Output is correct |
6 |
Correct |
1 ms |
4952 KB |
Output is correct |
7 |
Correct |
1 ms |
4956 KB |
Output is correct |
8 |
Correct |
1 ms |
5152 KB |
Output is correct |
9 |
Correct |
1 ms |
4956 KB |
Output is correct |
10 |
Correct |
1 ms |
4956 KB |
Output is correct |
11 |
Correct |
1 ms |
4956 KB |
Output is correct |
12 |
Correct |
1 ms |
4956 KB |
Output is correct |
13 |
Correct |
2 ms |
4956 KB |
Output is correct |
14 |
Correct |
2 ms |
4956 KB |
Output is correct |
15 |
Correct |
1 ms |
4956 KB |
Output is correct |
16 |
Correct |
2 ms |
4956 KB |
Output is correct |
17 |
Correct |
2 ms |
4956 KB |
Output is correct |
18 |
Correct |
2 ms |
4956 KB |
Output is correct |
19 |
Correct |
1 ms |
4956 KB |
Output is correct |
20 |
Correct |
1 ms |
4956 KB |
Output is correct |
21 |
Correct |
1 ms |
4956 KB |
Output is correct |
22 |
Correct |
2 ms |
5212 KB |
Output is correct |
23 |
Correct |
2 ms |
5212 KB |
Output is correct |
24 |
Correct |
2 ms |
5212 KB |
Output is correct |
25 |
Correct |
2 ms |
5212 KB |
Output is correct |
26 |
Correct |
2 ms |
5212 KB |
Output is correct |
27 |
Correct |
2 ms |
5168 KB |
Output is correct |
28 |
Correct |
2 ms |
5212 KB |
Output is correct |
29 |
Correct |
2 ms |
5212 KB |
Output is correct |
30 |
Correct |
3 ms |
5172 KB |
Output is correct |
31 |
Correct |
2 ms |
5212 KB |
Output is correct |
32 |
Correct |
2 ms |
5428 KB |
Output is correct |
33 |
Correct |
2 ms |
5208 KB |
Output is correct |
34 |
Correct |
2 ms |
5212 KB |
Output is correct |
35 |
Correct |
2 ms |
5212 KB |
Output is correct |
36 |
Correct |
2 ms |
5212 KB |
Output is correct |
37 |
Correct |
2 ms |
5212 KB |
Output is correct |
38 |
Correct |
2 ms |
5212 KB |
Output is correct |
39 |
Correct |
2 ms |
5180 KB |
Output is correct |
40 |
Correct |
2 ms |
5212 KB |
Output is correct |
41 |
Correct |
2 ms |
5212 KB |
Output is correct |
42 |
Correct |
2 ms |
5212 KB |
Output is correct |
43 |
Correct |
2 ms |
5208 KB |
Output is correct |
44 |
Correct |
2 ms |
5208 KB |
Output is correct |
45 |
Correct |
2 ms |
5208 KB |
Output is correct |
46 |
Correct |
2 ms |
5208 KB |
Output is correct |
47 |
Correct |
2 ms |
5208 KB |
Output is correct |
48 |
Correct |
2 ms |
5212 KB |
Output is correct |
49 |
Correct |
2 ms |
5208 KB |
Output is correct |
50 |
Correct |
2 ms |
5212 KB |
Output is correct |
51 |
Correct |
2 ms |
5212 KB |
Output is correct |
52 |
Correct |
2 ms |
5236 KB |
Output is correct |
53 |
Correct |
2 ms |
5212 KB |
Output is correct |
54 |
Correct |
2 ms |
5212 KB |
Output is correct |
55 |
Correct |
2 ms |
5168 KB |
Output is correct |
56 |
Correct |
2 ms |
5208 KB |
Output is correct |
57 |
Correct |
2 ms |
5212 KB |
Output is correct |
58 |
Correct |
2 ms |
5208 KB |
Output is correct |
59 |
Correct |
2 ms |
5212 KB |
Output is correct |
60 |
Correct |
2 ms |
5208 KB |
Output is correct |
61 |
Correct |
2 ms |
5212 KB |
Output is correct |
62 |
Correct |
2 ms |
5212 KB |
Output is correct |
63 |
Correct |
2 ms |
5212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4952 KB |
Output is correct |
2 |
Correct |
1 ms |
4956 KB |
Output is correct |
3 |
Correct |
2 ms |
4956 KB |
Output is correct |
4 |
Correct |
2 ms |
5160 KB |
Output is correct |
5 |
Correct |
2 ms |
4956 KB |
Output is correct |
6 |
Correct |
1 ms |
4952 KB |
Output is correct |
7 |
Correct |
1 ms |
4956 KB |
Output is correct |
8 |
Correct |
1 ms |
5152 KB |
Output is correct |
9 |
Correct |
1 ms |
4956 KB |
Output is correct |
10 |
Correct |
1 ms |
4956 KB |
Output is correct |
11 |
Correct |
1 ms |
4956 KB |
Output is correct |
12 |
Correct |
1 ms |
4956 KB |
Output is correct |
13 |
Correct |
2 ms |
4956 KB |
Output is correct |
14 |
Correct |
2 ms |
4956 KB |
Output is correct |
15 |
Correct |
1 ms |
4956 KB |
Output is correct |
16 |
Correct |
2 ms |
4956 KB |
Output is correct |
17 |
Correct |
2 ms |
4956 KB |
Output is correct |
18 |
Correct |
2 ms |
4956 KB |
Output is correct |
19 |
Correct |
1 ms |
4956 KB |
Output is correct |
20 |
Correct |
1 ms |
4956 KB |
Output is correct |
21 |
Correct |
1 ms |
4956 KB |
Output is correct |
22 |
Correct |
2 ms |
5212 KB |
Output is correct |
23 |
Correct |
2 ms |
5212 KB |
Output is correct |
24 |
Correct |
2 ms |
5212 KB |
Output is correct |
25 |
Correct |
2 ms |
5212 KB |
Output is correct |
26 |
Correct |
2 ms |
5212 KB |
Output is correct |
27 |
Correct |
2 ms |
5168 KB |
Output is correct |
28 |
Correct |
2 ms |
5212 KB |
Output is correct |
29 |
Correct |
2 ms |
5212 KB |
Output is correct |
30 |
Correct |
3 ms |
5172 KB |
Output is correct |
31 |
Correct |
2 ms |
5212 KB |
Output is correct |
32 |
Correct |
2 ms |
5428 KB |
Output is correct |
33 |
Correct |
2 ms |
5208 KB |
Output is correct |
34 |
Correct |
2 ms |
5212 KB |
Output is correct |
35 |
Correct |
2 ms |
5212 KB |
Output is correct |
36 |
Correct |
2 ms |
5212 KB |
Output is correct |
37 |
Correct |
2 ms |
5212 KB |
Output is correct |
38 |
Correct |
2 ms |
5212 KB |
Output is correct |
39 |
Correct |
2 ms |
5180 KB |
Output is correct |
40 |
Correct |
2 ms |
5212 KB |
Output is correct |
41 |
Correct |
2 ms |
5212 KB |
Output is correct |
42 |
Correct |
2 ms |
5212 KB |
Output is correct |
43 |
Correct |
2 ms |
5208 KB |
Output is correct |
44 |
Correct |
2 ms |
5208 KB |
Output is correct |
45 |
Correct |
2 ms |
5208 KB |
Output is correct |
46 |
Correct |
2 ms |
5208 KB |
Output is correct |
47 |
Correct |
2 ms |
5208 KB |
Output is correct |
48 |
Correct |
2 ms |
5212 KB |
Output is correct |
49 |
Correct |
2 ms |
5208 KB |
Output is correct |
50 |
Correct |
2 ms |
5212 KB |
Output is correct |
51 |
Correct |
2 ms |
5212 KB |
Output is correct |
52 |
Correct |
2 ms |
5236 KB |
Output is correct |
53 |
Correct |
2 ms |
5212 KB |
Output is correct |
54 |
Correct |
2 ms |
5212 KB |
Output is correct |
55 |
Correct |
2 ms |
5168 KB |
Output is correct |
56 |
Correct |
2 ms |
5208 KB |
Output is correct |
57 |
Correct |
2 ms |
5212 KB |
Output is correct |
58 |
Correct |
2 ms |
5208 KB |
Output is correct |
59 |
Correct |
2 ms |
5212 KB |
Output is correct |
60 |
Correct |
2 ms |
5208 KB |
Output is correct |
61 |
Correct |
2 ms |
5212 KB |
Output is correct |
62 |
Correct |
2 ms |
5212 KB |
Output is correct |
63 |
Correct |
2 ms |
5212 KB |
Output is correct |
64 |
Correct |
98 ms |
15144 KB |
Output is correct |
65 |
Correct |
67 ms |
15252 KB |
Output is correct |
66 |
Correct |
87 ms |
15212 KB |
Output is correct |
67 |
Correct |
64 ms |
15236 KB |
Output is correct |
68 |
Correct |
66 ms |
15232 KB |
Output is correct |
69 |
Correct |
70 ms |
15340 KB |
Output is correct |
70 |
Correct |
62 ms |
15232 KB |
Output is correct |
71 |
Correct |
77 ms |
15260 KB |
Output is correct |
72 |
Correct |
62 ms |
15240 KB |
Output is correct |
73 |
Correct |
101 ms |
27932 KB |
Output is correct |
74 |
Correct |
76 ms |
27796 KB |
Output is correct |
75 |
Correct |
58 ms |
14996 KB |
Output is correct |
76 |
Correct |
59 ms |
14996 KB |
Output is correct |
77 |
Correct |
95 ms |
14988 KB |
Output is correct |
78 |
Correct |
85 ms |
14992 KB |
Output is correct |
79 |
Correct |
64 ms |
15012 KB |
Output is correct |
80 |
Correct |
57 ms |
14992 KB |
Output is correct |
81 |
Correct |
63 ms |
15420 KB |
Output is correct |
82 |
Correct |
75 ms |
15440 KB |
Output is correct |
83 |
Correct |
72 ms |
20428 KB |
Output is correct |
84 |
Correct |
106 ms |
22516 KB |
Output is correct |
85 |
Correct |
109 ms |
22168 KB |
Output is correct |
86 |
Correct |
65 ms |
16528 KB |
Output is correct |
87 |
Correct |
62 ms |
16060 KB |
Output is correct |
88 |
Correct |
58 ms |
16352 KB |
Output is correct |
89 |
Correct |
70 ms |
16704 KB |
Output is correct |
90 |
Correct |
93 ms |
16164 KB |
Output is correct |
91 |
Correct |
60 ms |
16500 KB |
Output is correct |
92 |
Correct |
58 ms |
16764 KB |
Output is correct |
93 |
Correct |
61 ms |
19120 KB |
Output is correct |
94 |
Correct |
85 ms |
21100 KB |
Output is correct |
95 |
Correct |
84 ms |
19528 KB |
Output is correct |
96 |
Correct |
61 ms |
17916 KB |
Output is correct |
97 |
Correct |
61 ms |
16268 KB |
Output is correct |
98 |
Correct |
59 ms |
15812 KB |
Output is correct |
99 |
Correct |
57 ms |
15500 KB |
Output is correct |
100 |
Correct |
94 ms |
18812 KB |
Output is correct |
101 |
Correct |
76 ms |
16652 KB |
Output is correct |
102 |
Correct |
59 ms |
15972 KB |
Output is correct |
103 |
Correct |
68 ms |
15812 KB |
Output is correct |
104 |
Correct |
59 ms |
15304 KB |
Output is correct |
105 |
Correct |
88 ms |
24568 KB |
Output is correct |
106 |
Correct |
60 ms |
16072 KB |
Output is correct |
107 |
Correct |
44 ms |
16072 KB |
Output is correct |
108 |
Correct |
88 ms |
28824 KB |
Output is correct |
109 |
Correct |
57 ms |
15296 KB |
Output is correct |
110 |
Correct |
74 ms |
29036 KB |
Output is correct |
111 |
Correct |
54 ms |
15008 KB |
Output is correct |