#include <bits/stdc++.h>
using namespace std;
#define ll long long
const ll maxn = 2e5 + 5;
vector<ll> adj[maxn];
string s;
ll ans = 1;
ll dp[maxn];
void dfs(ll src, ll parent)
{
ll maxt = -1;
for (auto sex: adj[src])
{
if (sex != parent)
{
dfs(sex, src);
dp[src] += dp[sex];
maxt = max(maxt, dp[sex]);
}
}
ll gay = s[src - 1] - '0';
dp[src] = max(gay, dp[src] - gay);
ans = max({ans, maxt + gay, dp[src]});
}
int main()
{
ll n;
cin >> n;
ll u, v;
for (ll i = 1; i <= n - 1; ++i)
{
cin >> u >> v;
adj[u].push_back(v);
adj[v].push_back(u);
}
cin >> s;
dfs(1, 0);
cout << ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 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 |
3 ms |
4948 KB |
Output is correct |
5 |
Correct |
2 ms |
4948 KB |
Output is correct |
6 |
Correct |
3 ms |
4948 KB |
Output is correct |
7 |
Correct |
3 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 |
5000 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 |
2 ms |
4948 KB |
Output is correct |
16 |
Correct |
3 ms |
5076 KB |
Output is correct |
17 |
Correct |
3 ms |
5004 KB |
Output is correct |
18 |
Correct |
2 ms |
4948 KB |
Output is correct |
19 |
Correct |
2 ms |
5000 KB |
Output is correct |
20 |
Correct |
3 ms |
4928 KB |
Output is correct |
21 |
Correct |
2 ms |
4948 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 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 |
3 ms |
4948 KB |
Output is correct |
5 |
Correct |
2 ms |
4948 KB |
Output is correct |
6 |
Correct |
3 ms |
4948 KB |
Output is correct |
7 |
Correct |
3 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 |
5000 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 |
2 ms |
4948 KB |
Output is correct |
16 |
Correct |
3 ms |
5076 KB |
Output is correct |
17 |
Correct |
3 ms |
5004 KB |
Output is correct |
18 |
Correct |
2 ms |
4948 KB |
Output is correct |
19 |
Correct |
2 ms |
5000 KB |
Output is correct |
20 |
Correct |
3 ms |
4928 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 |
5016 KB |
Output is correct |
26 |
Correct |
3 ms |
5016 KB |
Output is correct |
27 |
Correct |
3 ms |
5076 KB |
Output is correct |
28 |
Correct |
4 ms |
5076 KB |
Output is correct |
29 |
Correct |
3 ms |
5204 KB |
Output is correct |
30 |
Correct |
5 ms |
5076 KB |
Output is correct |
31 |
Correct |
3 ms |
5076 KB |
Output is correct |
32 |
Correct |
4 ms |
5116 KB |
Output is correct |
33 |
Correct |
4 ms |
5012 KB |
Output is correct |
34 |
Correct |
5 ms |
5076 KB |
Output is correct |
35 |
Correct |
3 ms |
5076 KB |
Output is correct |
36 |
Correct |
4 ms |
5012 KB |
Output is correct |
37 |
Correct |
3 ms |
5012 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 |
4 ms |
5112 KB |
Output is correct |
45 |
Correct |
4 ms |
5108 KB |
Output is correct |
46 |
Correct |
3 ms |
5084 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 |
4 ms |
5148 KB |
Output is correct |
51 |
Correct |
4 ms |
5076 KB |
Output is correct |
52 |
Correct |
3 ms |
5076 KB |
Output is correct |
53 |
Correct |
4 ms |
5036 KB |
Output is correct |
54 |
Correct |
4 ms |
5140 KB |
Output is correct |
55 |
Correct |
4 ms |
5076 KB |
Output is correct |
56 |
Correct |
4 ms |
5076 KB |
Output is correct |
57 |
Correct |
3 ms |
5204 KB |
Output is correct |
58 |
Correct |
3 ms |
5016 KB |
Output is correct |
59 |
Correct |
3 ms |
5016 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 |
5200 KB |
Output is correct |
63 |
Correct |
3 ms |
5076 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 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 |
3 ms |
4948 KB |
Output is correct |
5 |
Correct |
2 ms |
4948 KB |
Output is correct |
6 |
Correct |
3 ms |
4948 KB |
Output is correct |
7 |
Correct |
3 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 |
5000 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 |
2 ms |
4948 KB |
Output is correct |
16 |
Correct |
3 ms |
5076 KB |
Output is correct |
17 |
Correct |
3 ms |
5004 KB |
Output is correct |
18 |
Correct |
2 ms |
4948 KB |
Output is correct |
19 |
Correct |
2 ms |
5000 KB |
Output is correct |
20 |
Correct |
3 ms |
4928 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 |
5016 KB |
Output is correct |
26 |
Correct |
3 ms |
5016 KB |
Output is correct |
27 |
Correct |
3 ms |
5076 KB |
Output is correct |
28 |
Correct |
4 ms |
5076 KB |
Output is correct |
29 |
Correct |
3 ms |
5204 KB |
Output is correct |
30 |
Correct |
5 ms |
5076 KB |
Output is correct |
31 |
Correct |
3 ms |
5076 KB |
Output is correct |
32 |
Correct |
4 ms |
5116 KB |
Output is correct |
33 |
Correct |
4 ms |
5012 KB |
Output is correct |
34 |
Correct |
5 ms |
5076 KB |
Output is correct |
35 |
Correct |
3 ms |
5076 KB |
Output is correct |
36 |
Correct |
4 ms |
5012 KB |
Output is correct |
37 |
Correct |
3 ms |
5012 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 |
4 ms |
5112 KB |
Output is correct |
45 |
Correct |
4 ms |
5108 KB |
Output is correct |
46 |
Correct |
3 ms |
5084 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 |
4 ms |
5148 KB |
Output is correct |
51 |
Correct |
4 ms |
5076 KB |
Output is correct |
52 |
Correct |
3 ms |
5076 KB |
Output is correct |
53 |
Correct |
4 ms |
5036 KB |
Output is correct |
54 |
Correct |
4 ms |
5140 KB |
Output is correct |
55 |
Correct |
4 ms |
5076 KB |
Output is correct |
56 |
Correct |
4 ms |
5076 KB |
Output is correct |
57 |
Correct |
3 ms |
5204 KB |
Output is correct |
58 |
Correct |
3 ms |
5016 KB |
Output is correct |
59 |
Correct |
3 ms |
5016 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 |
5200 KB |
Output is correct |
63 |
Correct |
3 ms |
5076 KB |
Output is correct |
64 |
Correct |
123 ms |
15740 KB |
Output is correct |
65 |
Correct |
132 ms |
15712 KB |
Output is correct |
66 |
Correct |
126 ms |
15768 KB |
Output is correct |
67 |
Correct |
132 ms |
15744 KB |
Output is correct |
68 |
Correct |
178 ms |
15844 KB |
Output is correct |
69 |
Correct |
127 ms |
15700 KB |
Output is correct |
70 |
Correct |
145 ms |
15724 KB |
Output is correct |
71 |
Correct |
130 ms |
15732 KB |
Output is correct |
72 |
Correct |
163 ms |
15780 KB |
Output is correct |
73 |
Correct |
141 ms |
27284 KB |
Output is correct |
74 |
Correct |
151 ms |
27312 KB |
Output is correct |
75 |
Correct |
161 ms |
16984 KB |
Output is correct |
76 |
Correct |
161 ms |
16944 KB |
Output is correct |
77 |
Correct |
129 ms |
15620 KB |
Output is correct |
78 |
Correct |
128 ms |
15648 KB |
Output is correct |
79 |
Correct |
159 ms |
15744 KB |
Output is correct |
80 |
Correct |
146 ms |
15708 KB |
Output is correct |
81 |
Correct |
115 ms |
15856 KB |
Output is correct |
82 |
Correct |
118 ms |
15784 KB |
Output is correct |
83 |
Correct |
168 ms |
20928 KB |
Output is correct |
84 |
Correct |
184 ms |
22920 KB |
Output is correct |
85 |
Correct |
135 ms |
22624 KB |
Output is correct |
86 |
Correct |
185 ms |
17004 KB |
Output is correct |
87 |
Correct |
126 ms |
16416 KB |
Output is correct |
88 |
Correct |
123 ms |
16604 KB |
Output is correct |
89 |
Correct |
151 ms |
16612 KB |
Output is correct |
90 |
Correct |
134 ms |
16408 KB |
Output is correct |
91 |
Correct |
144 ms |
16604 KB |
Output is correct |
92 |
Correct |
154 ms |
16932 KB |
Output is correct |
93 |
Correct |
126 ms |
19268 KB |
Output is correct |
94 |
Correct |
143 ms |
21008 KB |
Output is correct |
95 |
Correct |
130 ms |
19580 KB |
Output is correct |
96 |
Correct |
120 ms |
17656 KB |
Output is correct |
97 |
Correct |
125 ms |
16292 KB |
Output is correct |
98 |
Correct |
127 ms |
15908 KB |
Output is correct |
99 |
Correct |
131 ms |
15848 KB |
Output is correct |
100 |
Correct |
177 ms |
18732 KB |
Output is correct |
101 |
Correct |
123 ms |
16580 KB |
Output is correct |
102 |
Correct |
150 ms |
15968 KB |
Output is correct |
103 |
Correct |
129 ms |
16048 KB |
Output is correct |
104 |
Correct |
105 ms |
16312 KB |
Output is correct |
105 |
Correct |
160 ms |
24160 KB |
Output is correct |
106 |
Correct |
116 ms |
16296 KB |
Output is correct |
107 |
Correct |
109 ms |
16352 KB |
Output is correct |
108 |
Correct |
175 ms |
28028 KB |
Output is correct |
109 |
Correct |
121 ms |
16280 KB |
Output is correct |
110 |
Correct |
140 ms |
28424 KB |
Output is correct |
111 |
Correct |
140 ms |
15656 KB |
Output is correct |