#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define fi first
#define se second
#define ii pair<ll,ll>
const ll maxn=2e5+2;
vector <int> adj[maxn];
int dp[maxn];
int gen[maxn];
int sub[maxn];
int ans;
void dfs(int u, int pre){
//cout<<u<<endl;
int mx=0;
int sum=0;
for (int v: adj[u]){
if (v!=u&&v!=pre){
dfs(v,u);
mx=max(mx,dp[v]);
sum+=dp[v];
sub[u]+=sub[v];
}
}
dp[u]=max(gen[u],sum-gen[u]);
ans=max(ans,max(dp[u],mx+gen[u]));
}
int main(){
int n; cin>>n;
for (int i=1;i<n;++i){
int x,y; cin>>x>>y;
adj[x].push_back(y);
adj[y].push_back(x);
}
string s; cin>>s;
for (int i=1;i<=n;++i){
gen[i]=s[i-1]-'0';
}
//cout<<s;
dfs(1,1);
//for (int i=1;i<=n;++i) cout<<i<<" "<<dp[i]<<"\n";
cout<<ans;
}
# |
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 |
2 ms |
4948 KB |
Output is correct |
4 |
Correct |
2 ms |
4948 KB |
Output is correct |
5 |
Correct |
2 ms |
4948 KB |
Output is correct |
6 |
Correct |
2 ms |
4948 KB |
Output is correct |
7 |
Correct |
2 ms |
4948 KB |
Output is correct |
8 |
Correct |
2 ms |
4948 KB |
Output is correct |
9 |
Correct |
2 ms |
4948 KB |
Output is correct |
10 |
Correct |
2 ms |
4948 KB |
Output is correct |
11 |
Correct |
2 ms |
4948 KB |
Output is correct |
12 |
Correct |
2 ms |
4948 KB |
Output is correct |
13 |
Correct |
2 ms |
4948 KB |
Output is correct |
14 |
Correct |
2 ms |
4948 KB |
Output is correct |
15 |
Correct |
3 ms |
4948 KB |
Output is correct |
16 |
Correct |
2 ms |
4948 KB |
Output is correct |
17 |
Correct |
3 ms |
4948 KB |
Output is correct |
18 |
Correct |
2 ms |
4948 KB |
Output is correct |
19 |
Correct |
2 ms |
4948 KB |
Output is correct |
20 |
Correct |
2 ms |
4948 KB |
Output is correct |
21 |
Correct |
2 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 |
2 ms |
4948 KB |
Output is correct |
4 |
Correct |
2 ms |
4948 KB |
Output is correct |
5 |
Correct |
2 ms |
4948 KB |
Output is correct |
6 |
Correct |
2 ms |
4948 KB |
Output is correct |
7 |
Correct |
2 ms |
4948 KB |
Output is correct |
8 |
Correct |
2 ms |
4948 KB |
Output is correct |
9 |
Correct |
2 ms |
4948 KB |
Output is correct |
10 |
Correct |
2 ms |
4948 KB |
Output is correct |
11 |
Correct |
2 ms |
4948 KB |
Output is correct |
12 |
Correct |
2 ms |
4948 KB |
Output is correct |
13 |
Correct |
2 ms |
4948 KB |
Output is correct |
14 |
Correct |
2 ms |
4948 KB |
Output is correct |
15 |
Correct |
3 ms |
4948 KB |
Output is correct |
16 |
Correct |
2 ms |
4948 KB |
Output is correct |
17 |
Correct |
3 ms |
4948 KB |
Output is correct |
18 |
Correct |
2 ms |
4948 KB |
Output is correct |
19 |
Correct |
2 ms |
4948 KB |
Output is correct |
20 |
Correct |
2 ms |
4948 KB |
Output is correct |
21 |
Correct |
2 ms |
4948 KB |
Output is correct |
22 |
Correct |
3 ms |
5076 KB |
Output is correct |
23 |
Correct |
3 ms |
5076 KB |
Output is correct |
24 |
Correct |
3 ms |
5076 KB |
Output is correct |
25 |
Correct |
3 ms |
5076 KB |
Output is correct |
26 |
Correct |
3 ms |
5108 KB |
Output is correct |
27 |
Correct |
3 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 |
3 ms |
5196 KB |
Output is correct |
31 |
Correct |
3 ms |
5076 KB |
Output is correct |
32 |
Correct |
3 ms |
5076 KB |
Output is correct |
33 |
Correct |
3 ms |
5076 KB |
Output is correct |
34 |
Correct |
3 ms |
5076 KB |
Output is correct |
35 |
Correct |
3 ms |
5076 KB |
Output is correct |
36 |
Correct |
3 ms |
5076 KB |
Output is correct |
37 |
Correct |
3 ms |
5076 KB |
Output is correct |
38 |
Correct |
3 ms |
5076 KB |
Output is correct |
39 |
Correct |
3 ms |
5076 KB |
Output is correct |
40 |
Correct |
3 ms |
5076 KB |
Output is correct |
41 |
Correct |
3 ms |
5076 KB |
Output is correct |
42 |
Correct |
3 ms |
5076 KB |
Output is correct |
43 |
Correct |
3 ms |
5076 KB |
Output is correct |
44 |
Correct |
3 ms |
5076 KB |
Output is correct |
45 |
Correct |
3 ms |
5076 KB |
Output is correct |
46 |
Correct |
3 ms |
5076 KB |
Output is correct |
47 |
Correct |
3 ms |
5076 KB |
Output is correct |
48 |
Correct |
3 ms |
5076 KB |
Output is correct |
49 |
Correct |
3 ms |
5076 KB |
Output is correct |
50 |
Correct |
3 ms |
5076 KB |
Output is correct |
51 |
Correct |
3 ms |
5076 KB |
Output is correct |
52 |
Correct |
3 ms |
5076 KB |
Output is correct |
53 |
Correct |
3 ms |
5076 KB |
Output is correct |
54 |
Correct |
3 ms |
5076 KB |
Output is correct |
55 |
Correct |
5 ms |
5060 KB |
Output is correct |
56 |
Correct |
3 ms |
5112 KB |
Output is correct |
57 |
Correct |
3 ms |
5204 KB |
Output is correct |
58 |
Correct |
3 ms |
5112 KB |
Output is correct |
59 |
Correct |
3 ms |
5076 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 |
# |
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 |
2 ms |
4948 KB |
Output is correct |
4 |
Correct |
2 ms |
4948 KB |
Output is correct |
5 |
Correct |
2 ms |
4948 KB |
Output is correct |
6 |
Correct |
2 ms |
4948 KB |
Output is correct |
7 |
Correct |
2 ms |
4948 KB |
Output is correct |
8 |
Correct |
2 ms |
4948 KB |
Output is correct |
9 |
Correct |
2 ms |
4948 KB |
Output is correct |
10 |
Correct |
2 ms |
4948 KB |
Output is correct |
11 |
Correct |
2 ms |
4948 KB |
Output is correct |
12 |
Correct |
2 ms |
4948 KB |
Output is correct |
13 |
Correct |
2 ms |
4948 KB |
Output is correct |
14 |
Correct |
2 ms |
4948 KB |
Output is correct |
15 |
Correct |
3 ms |
4948 KB |
Output is correct |
16 |
Correct |
2 ms |
4948 KB |
Output is correct |
17 |
Correct |
3 ms |
4948 KB |
Output is correct |
18 |
Correct |
2 ms |
4948 KB |
Output is correct |
19 |
Correct |
2 ms |
4948 KB |
Output is correct |
20 |
Correct |
2 ms |
4948 KB |
Output is correct |
21 |
Correct |
2 ms |
4948 KB |
Output is correct |
22 |
Correct |
3 ms |
5076 KB |
Output is correct |
23 |
Correct |
3 ms |
5076 KB |
Output is correct |
24 |
Correct |
3 ms |
5076 KB |
Output is correct |
25 |
Correct |
3 ms |
5076 KB |
Output is correct |
26 |
Correct |
3 ms |
5108 KB |
Output is correct |
27 |
Correct |
3 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 |
3 ms |
5196 KB |
Output is correct |
31 |
Correct |
3 ms |
5076 KB |
Output is correct |
32 |
Correct |
3 ms |
5076 KB |
Output is correct |
33 |
Correct |
3 ms |
5076 KB |
Output is correct |
34 |
Correct |
3 ms |
5076 KB |
Output is correct |
35 |
Correct |
3 ms |
5076 KB |
Output is correct |
36 |
Correct |
3 ms |
5076 KB |
Output is correct |
37 |
Correct |
3 ms |
5076 KB |
Output is correct |
38 |
Correct |
3 ms |
5076 KB |
Output is correct |
39 |
Correct |
3 ms |
5076 KB |
Output is correct |
40 |
Correct |
3 ms |
5076 KB |
Output is correct |
41 |
Correct |
3 ms |
5076 KB |
Output is correct |
42 |
Correct |
3 ms |
5076 KB |
Output is correct |
43 |
Correct |
3 ms |
5076 KB |
Output is correct |
44 |
Correct |
3 ms |
5076 KB |
Output is correct |
45 |
Correct |
3 ms |
5076 KB |
Output is correct |
46 |
Correct |
3 ms |
5076 KB |
Output is correct |
47 |
Correct |
3 ms |
5076 KB |
Output is correct |
48 |
Correct |
3 ms |
5076 KB |
Output is correct |
49 |
Correct |
3 ms |
5076 KB |
Output is correct |
50 |
Correct |
3 ms |
5076 KB |
Output is correct |
51 |
Correct |
3 ms |
5076 KB |
Output is correct |
52 |
Correct |
3 ms |
5076 KB |
Output is correct |
53 |
Correct |
3 ms |
5076 KB |
Output is correct |
54 |
Correct |
3 ms |
5076 KB |
Output is correct |
55 |
Correct |
5 ms |
5060 KB |
Output is correct |
56 |
Correct |
3 ms |
5112 KB |
Output is correct |
57 |
Correct |
3 ms |
5204 KB |
Output is correct |
58 |
Correct |
3 ms |
5112 KB |
Output is correct |
59 |
Correct |
3 ms |
5076 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 |
130 ms |
14032 KB |
Output is correct |
65 |
Correct |
131 ms |
14008 KB |
Output is correct |
66 |
Correct |
137 ms |
14016 KB |
Output is correct |
67 |
Correct |
132 ms |
14020 KB |
Output is correct |
68 |
Correct |
127 ms |
13932 KB |
Output is correct |
69 |
Correct |
126 ms |
14036 KB |
Output is correct |
70 |
Correct |
129 ms |
14000 KB |
Output is correct |
71 |
Correct |
140 ms |
13996 KB |
Output is correct |
72 |
Correct |
134 ms |
14000 KB |
Output is correct |
73 |
Correct |
148 ms |
26556 KB |
Output is correct |
74 |
Correct |
145 ms |
26552 KB |
Output is correct |
75 |
Correct |
126 ms |
13916 KB |
Output is correct |
76 |
Correct |
127 ms |
13900 KB |
Output is correct |
77 |
Correct |
129 ms |
13832 KB |
Output is correct |
78 |
Correct |
139 ms |
13932 KB |
Output is correct |
79 |
Correct |
146 ms |
13824 KB |
Output is correct |
80 |
Correct |
145 ms |
13932 KB |
Output is correct |
81 |
Correct |
119 ms |
14420 KB |
Output is correct |
82 |
Correct |
124 ms |
14172 KB |
Output is correct |
83 |
Correct |
149 ms |
19072 KB |
Output is correct |
84 |
Correct |
163 ms |
21188 KB |
Output is correct |
85 |
Correct |
150 ms |
20932 KB |
Output is correct |
86 |
Correct |
140 ms |
15340 KB |
Output is correct |
87 |
Correct |
134 ms |
14748 KB |
Output is correct |
88 |
Correct |
141 ms |
15240 KB |
Output is correct |
89 |
Correct |
127 ms |
15200 KB |
Output is correct |
90 |
Correct |
134 ms |
15044 KB |
Output is correct |
91 |
Correct |
128 ms |
15272 KB |
Output is correct |
92 |
Correct |
136 ms |
15560 KB |
Output is correct |
93 |
Correct |
125 ms |
18004 KB |
Output is correct |
94 |
Correct |
125 ms |
19844 KB |
Output is correct |
95 |
Correct |
125 ms |
18392 KB |
Output is correct |
96 |
Correct |
127 ms |
16484 KB |
Output is correct |
97 |
Correct |
126 ms |
15080 KB |
Output is correct |
98 |
Correct |
124 ms |
14500 KB |
Output is correct |
99 |
Correct |
123 ms |
14300 KB |
Output is correct |
100 |
Correct |
130 ms |
17524 KB |
Output is correct |
101 |
Correct |
142 ms |
15612 KB |
Output is correct |
102 |
Correct |
123 ms |
14768 KB |
Output is correct |
103 |
Correct |
127 ms |
14592 KB |
Output is correct |
104 |
Correct |
106 ms |
13996 KB |
Output is correct |
105 |
Correct |
157 ms |
23436 KB |
Output is correct |
106 |
Correct |
105 ms |
14028 KB |
Output is correct |
107 |
Correct |
101 ms |
14040 KB |
Output is correct |
108 |
Correct |
181 ms |
27308 KB |
Output is correct |
109 |
Correct |
107 ms |
13980 KB |
Output is correct |
110 |
Correct |
143 ms |
27732 KB |
Output is correct |
111 |
Correct |
124 ms |
13844 KB |
Output is correct |