#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize("Ofast")
#pragma GCC optimize ("unroll-loops")
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
#define MottoHayaku ios::sync_with_stdio(false);cin.tie(0);
#define rep(i,n) for(int i=0;i<n;i++)
#define rep1(i,n) for(int i=1;i<=n;i++)
#define F first
#define S second
#define pb push_back
const int N=2e5+5;
vector<int> ed[N];
int dp[N],has[N],ans=0;
void dfs(int u,int p)
{
int mx=0;
for(int v:ed[u])
{
if(v==p) continue;
dfs(v,u);
dp[u]+=dp[v];
mx=max(mx,dp[v]);
}
dp[u]-=has[u];
dp[u]=max(dp[u],has[u]);
ans=max({ans,dp[u],mx+has[u]});
}
signed main()
{
MottoHayaku
int n;
cin>>n;
string s;
rep(i,n-1)
{
int u,v;
cin>>u>>v;
ed[u].pb(v);
ed[v].pb(u);
}
cin>>s;
rep(i,n) has[i+1]=(s[i]=='1');
dfs(1,0);
cout<<ans<<"\n";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
4948 KB |
Output is correct |
2 |
Correct |
3 ms |
5020 KB |
Output is correct |
3 |
Correct |
3 ms |
4948 KB |
Output is correct |
4 |
Correct |
3 ms |
4948 KB |
Output is correct |
5 |
Correct |
2 ms |
4948 KB |
Output is correct |
6 |
Correct |
2 ms |
5020 KB |
Output is correct |
7 |
Correct |
2 ms |
4948 KB |
Output is correct |
8 |
Correct |
3 ms |
4948 KB |
Output is correct |
9 |
Correct |
3 ms |
4948 KB |
Output is correct |
10 |
Correct |
3 ms |
4948 KB |
Output is correct |
11 |
Correct |
3 ms |
4948 KB |
Output is correct |
12 |
Correct |
3 ms |
5024 KB |
Output is correct |
13 |
Correct |
3 ms |
4948 KB |
Output is correct |
14 |
Correct |
3 ms |
5020 KB |
Output is correct |
15 |
Correct |
3 ms |
5024 KB |
Output is correct |
16 |
Correct |
2 ms |
4948 KB |
Output is correct |
17 |
Correct |
3 ms |
4948 KB |
Output is correct |
18 |
Correct |
3 ms |
4948 KB |
Output is correct |
19 |
Correct |
3 ms |
5020 KB |
Output is correct |
20 |
Correct |
3 ms |
4948 KB |
Output is correct |
21 |
Correct |
2 ms |
4956 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
4948 KB |
Output is correct |
2 |
Correct |
3 ms |
5020 KB |
Output is correct |
3 |
Correct |
3 ms |
4948 KB |
Output is correct |
4 |
Correct |
3 ms |
4948 KB |
Output is correct |
5 |
Correct |
2 ms |
4948 KB |
Output is correct |
6 |
Correct |
2 ms |
5020 KB |
Output is correct |
7 |
Correct |
2 ms |
4948 KB |
Output is correct |
8 |
Correct |
3 ms |
4948 KB |
Output is correct |
9 |
Correct |
3 ms |
4948 KB |
Output is correct |
10 |
Correct |
3 ms |
4948 KB |
Output is correct |
11 |
Correct |
3 ms |
4948 KB |
Output is correct |
12 |
Correct |
3 ms |
5024 KB |
Output is correct |
13 |
Correct |
3 ms |
4948 KB |
Output is correct |
14 |
Correct |
3 ms |
5020 KB |
Output is correct |
15 |
Correct |
3 ms |
5024 KB |
Output is correct |
16 |
Correct |
2 ms |
4948 KB |
Output is correct |
17 |
Correct |
3 ms |
4948 KB |
Output is correct |
18 |
Correct |
3 ms |
4948 KB |
Output is correct |
19 |
Correct |
3 ms |
5020 KB |
Output is correct |
20 |
Correct |
3 ms |
4948 KB |
Output is correct |
21 |
Correct |
2 ms |
4956 KB |
Output is correct |
22 |
Correct |
3 ms |
5076 KB |
Output is correct |
23 |
Correct |
3 ms |
5036 KB |
Output is correct |
24 |
Correct |
3 ms |
5076 KB |
Output is correct |
25 |
Correct |
5 ms |
5076 KB |
Output is correct |
26 |
Correct |
3 ms |
5076 KB |
Output is correct |
27 |
Correct |
5 ms |
5032 KB |
Output is correct |
28 |
Correct |
4 ms |
5076 KB |
Output is correct |
29 |
Correct |
3 ms |
5204 KB |
Output is correct |
30 |
Correct |
3 ms |
5168 KB |
Output is correct |
31 |
Correct |
3 ms |
5076 KB |
Output is correct |
32 |
Correct |
3 ms |
5076 KB |
Output is correct |
33 |
Correct |
4 ms |
5032 KB |
Output is correct |
34 |
Correct |
3 ms |
5076 KB |
Output is correct |
35 |
Correct |
3 ms |
5080 KB |
Output is correct |
36 |
Correct |
3 ms |
5036 KB |
Output is correct |
37 |
Correct |
4 ms |
5076 KB |
Output is correct |
38 |
Correct |
3 ms |
5036 KB |
Output is correct |
39 |
Correct |
3 ms |
5076 KB |
Output is correct |
40 |
Correct |
4 ms |
5164 KB |
Output is correct |
41 |
Correct |
3 ms |
5204 KB |
Output is correct |
42 |
Correct |
3 ms |
5076 KB |
Output is correct |
43 |
Correct |
3 ms |
5036 KB |
Output is correct |
44 |
Correct |
4 ms |
5076 KB |
Output is correct |
45 |
Correct |
4 ms |
5160 KB |
Output is correct |
46 |
Correct |
4 ms |
5052 KB |
Output is correct |
47 |
Correct |
4 ms |
5036 KB |
Output is correct |
48 |
Correct |
3 ms |
5204 KB |
Output is correct |
49 |
Correct |
3 ms |
5212 KB |
Output is correct |
50 |
Correct |
4 ms |
5164 KB |
Output is correct |
51 |
Correct |
3 ms |
5076 KB |
Output is correct |
52 |
Correct |
3 ms |
5088 KB |
Output is correct |
53 |
Correct |
3 ms |
5052 KB |
Output is correct |
54 |
Correct |
3 ms |
5076 KB |
Output is correct |
55 |
Correct |
4 ms |
5076 KB |
Output is correct |
56 |
Correct |
3 ms |
5076 KB |
Output is correct |
57 |
Correct |
3 ms |
5204 KB |
Output is correct |
58 |
Correct |
3 ms |
5076 KB |
Output is correct |
59 |
Correct |
4 ms |
5040 KB |
Output is correct |
60 |
Correct |
4 ms |
5204 KB |
Output is correct |
61 |
Correct |
3 ms |
5076 KB |
Output is correct |
62 |
Correct |
3 ms |
5176 KB |
Output is correct |
63 |
Correct |
3 ms |
5076 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
4948 KB |
Output is correct |
2 |
Correct |
3 ms |
5020 KB |
Output is correct |
3 |
Correct |
3 ms |
4948 KB |
Output is correct |
4 |
Correct |
3 ms |
4948 KB |
Output is correct |
5 |
Correct |
2 ms |
4948 KB |
Output is correct |
6 |
Correct |
2 ms |
5020 KB |
Output is correct |
7 |
Correct |
2 ms |
4948 KB |
Output is correct |
8 |
Correct |
3 ms |
4948 KB |
Output is correct |
9 |
Correct |
3 ms |
4948 KB |
Output is correct |
10 |
Correct |
3 ms |
4948 KB |
Output is correct |
11 |
Correct |
3 ms |
4948 KB |
Output is correct |
12 |
Correct |
3 ms |
5024 KB |
Output is correct |
13 |
Correct |
3 ms |
4948 KB |
Output is correct |
14 |
Correct |
3 ms |
5020 KB |
Output is correct |
15 |
Correct |
3 ms |
5024 KB |
Output is correct |
16 |
Correct |
2 ms |
4948 KB |
Output is correct |
17 |
Correct |
3 ms |
4948 KB |
Output is correct |
18 |
Correct |
3 ms |
4948 KB |
Output is correct |
19 |
Correct |
3 ms |
5020 KB |
Output is correct |
20 |
Correct |
3 ms |
4948 KB |
Output is correct |
21 |
Correct |
2 ms |
4956 KB |
Output is correct |
22 |
Correct |
3 ms |
5076 KB |
Output is correct |
23 |
Correct |
3 ms |
5036 KB |
Output is correct |
24 |
Correct |
3 ms |
5076 KB |
Output is correct |
25 |
Correct |
5 ms |
5076 KB |
Output is correct |
26 |
Correct |
3 ms |
5076 KB |
Output is correct |
27 |
Correct |
5 ms |
5032 KB |
Output is correct |
28 |
Correct |
4 ms |
5076 KB |
Output is correct |
29 |
Correct |
3 ms |
5204 KB |
Output is correct |
30 |
Correct |
3 ms |
5168 KB |
Output is correct |
31 |
Correct |
3 ms |
5076 KB |
Output is correct |
32 |
Correct |
3 ms |
5076 KB |
Output is correct |
33 |
Correct |
4 ms |
5032 KB |
Output is correct |
34 |
Correct |
3 ms |
5076 KB |
Output is correct |
35 |
Correct |
3 ms |
5080 KB |
Output is correct |
36 |
Correct |
3 ms |
5036 KB |
Output is correct |
37 |
Correct |
4 ms |
5076 KB |
Output is correct |
38 |
Correct |
3 ms |
5036 KB |
Output is correct |
39 |
Correct |
3 ms |
5076 KB |
Output is correct |
40 |
Correct |
4 ms |
5164 KB |
Output is correct |
41 |
Correct |
3 ms |
5204 KB |
Output is correct |
42 |
Correct |
3 ms |
5076 KB |
Output is correct |
43 |
Correct |
3 ms |
5036 KB |
Output is correct |
44 |
Correct |
4 ms |
5076 KB |
Output is correct |
45 |
Correct |
4 ms |
5160 KB |
Output is correct |
46 |
Correct |
4 ms |
5052 KB |
Output is correct |
47 |
Correct |
4 ms |
5036 KB |
Output is correct |
48 |
Correct |
3 ms |
5204 KB |
Output is correct |
49 |
Correct |
3 ms |
5212 KB |
Output is correct |
50 |
Correct |
4 ms |
5164 KB |
Output is correct |
51 |
Correct |
3 ms |
5076 KB |
Output is correct |
52 |
Correct |
3 ms |
5088 KB |
Output is correct |
53 |
Correct |
3 ms |
5052 KB |
Output is correct |
54 |
Correct |
3 ms |
5076 KB |
Output is correct |
55 |
Correct |
4 ms |
5076 KB |
Output is correct |
56 |
Correct |
3 ms |
5076 KB |
Output is correct |
57 |
Correct |
3 ms |
5204 KB |
Output is correct |
58 |
Correct |
3 ms |
5076 KB |
Output is correct |
59 |
Correct |
4 ms |
5040 KB |
Output is correct |
60 |
Correct |
4 ms |
5204 KB |
Output is correct |
61 |
Correct |
3 ms |
5076 KB |
Output is correct |
62 |
Correct |
3 ms |
5176 KB |
Output is correct |
63 |
Correct |
3 ms |
5076 KB |
Output is correct |
64 |
Correct |
118 ms |
16104 KB |
Output is correct |
65 |
Correct |
112 ms |
15888 KB |
Output is correct |
66 |
Correct |
127 ms |
15916 KB |
Output is correct |
67 |
Correct |
119 ms |
15980 KB |
Output is correct |
68 |
Correct |
117 ms |
15952 KB |
Output is correct |
69 |
Correct |
110 ms |
15940 KB |
Output is correct |
70 |
Correct |
134 ms |
15884 KB |
Output is correct |
71 |
Correct |
125 ms |
15956 KB |
Output is correct |
72 |
Correct |
113 ms |
15968 KB |
Output is correct |
73 |
Correct |
135 ms |
31036 KB |
Output is correct |
74 |
Correct |
137 ms |
30988 KB |
Output is correct |
75 |
Correct |
144 ms |
15864 KB |
Output is correct |
76 |
Correct |
110 ms |
15824 KB |
Output is correct |
77 |
Correct |
133 ms |
15880 KB |
Output is correct |
78 |
Correct |
127 ms |
15844 KB |
Output is correct |
79 |
Correct |
123 ms |
15768 KB |
Output is correct |
80 |
Correct |
150 ms |
15792 KB |
Output is correct |
81 |
Correct |
88 ms |
16304 KB |
Output is correct |
82 |
Correct |
136 ms |
16012 KB |
Output is correct |
83 |
Correct |
130 ms |
22128 KB |
Output is correct |
84 |
Correct |
131 ms |
24668 KB |
Output is correct |
85 |
Correct |
145 ms |
24200 KB |
Output is correct |
86 |
Correct |
126 ms |
17532 KB |
Output is correct |
87 |
Correct |
108 ms |
16792 KB |
Output is correct |
88 |
Correct |
112 ms |
17336 KB |
Output is correct |
89 |
Correct |
118 ms |
17368 KB |
Output is correct |
90 |
Correct |
107 ms |
17100 KB |
Output is correct |
91 |
Correct |
109 ms |
17312 KB |
Output is correct |
92 |
Correct |
126 ms |
17752 KB |
Output is correct |
93 |
Correct |
116 ms |
20708 KB |
Output is correct |
94 |
Correct |
95 ms |
22728 KB |
Output is correct |
95 |
Correct |
111 ms |
21104 KB |
Output is correct |
96 |
Correct |
138 ms |
18932 KB |
Output is correct |
97 |
Correct |
116 ms |
17088 KB |
Output is correct |
98 |
Correct |
97 ms |
16556 KB |
Output is correct |
99 |
Correct |
119 ms |
16316 KB |
Output is correct |
100 |
Correct |
143 ms |
20140 KB |
Output is correct |
101 |
Correct |
124 ms |
17672 KB |
Output is correct |
102 |
Correct |
126 ms |
16728 KB |
Output is correct |
103 |
Correct |
153 ms |
16560 KB |
Output is correct |
104 |
Correct |
75 ms |
16816 KB |
Output is correct |
105 |
Correct |
129 ms |
27280 KB |
Output is correct |
106 |
Correct |
69 ms |
16704 KB |
Output is correct |
107 |
Correct |
82 ms |
16732 KB |
Output is correct |
108 |
Correct |
132 ms |
32028 KB |
Output is correct |
109 |
Correct |
71 ms |
16832 KB |
Output is correct |
110 |
Correct |
127 ms |
32368 KB |
Output is correct |
111 |
Correct |
101 ms |
15772 KB |
Output is correct |