#include <iostream>
#include <cmath>
#include <algorithm>
#include <vector>
#include <array>
#include <set>
#include <queue>
#include <map>
#include <iomanip>
#include <stack>
#include <stdio.h>
#include <stdlib.h>
using namespace std;
using ll = long long;
using ld = long double;
using P = pair<ll, ll>;
using Mat = vector<vector<ll>>;
const ll MOD = 1e9 + 7;
const int MAXN = 2e5 + 111;
const int K = 500;
int n;
vector<int> adj[MAXN];
bool czy_ma[MAXN];
int dp[MAXN];
int ans;
void dfs(int v, int p)
{
int s = 0;
for (auto u : adj[v])
{
if (u == p)
continue;
dfs(u, v);
s += dp[u];
}
if (czy_ma[v])
{
for (auto u : adj[v])
{
if (u == p)
continue;
ans = max(ans, dp[u] + 1);
}
dp[v] += s;
dp[v]--;
dp[v] = max(dp[v], 1);
}
else
{
dp[v] += s;
}
ans = max(ans, dp[v]);
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(0), cout.tie(0);
//freopen("art2.in", "r", stdin);
//freopen("art2.out", "w", stdout);
cin >> n;
for (int i = 1; i < n; i++)
{
int a, b;
cin >> a >> b;
adj[a].push_back(b);
adj[b].push_back(a);
}
for (int i = 1; i <= n; i++)
{
char c;
cin >> c;
czy_ma[i] = (c - '0');
}
dfs(1, 1);
cout << ans << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
5720 KB |
Output is correct |
2 |
Correct |
2 ms |
5720 KB |
Output is correct |
3 |
Correct |
1 ms |
5724 KB |
Output is correct |
4 |
Correct |
1 ms |
5724 KB |
Output is correct |
5 |
Correct |
1 ms |
5724 KB |
Output is correct |
6 |
Correct |
2 ms |
5724 KB |
Output is correct |
7 |
Correct |
2 ms |
5724 KB |
Output is correct |
8 |
Correct |
2 ms |
5720 KB |
Output is correct |
9 |
Correct |
2 ms |
5812 KB |
Output is correct |
10 |
Correct |
1 ms |
5724 KB |
Output is correct |
11 |
Correct |
1 ms |
5724 KB |
Output is correct |
12 |
Correct |
1 ms |
5724 KB |
Output is correct |
13 |
Correct |
2 ms |
5724 KB |
Output is correct |
14 |
Correct |
2 ms |
5724 KB |
Output is correct |
15 |
Correct |
1 ms |
5816 KB |
Output is correct |
16 |
Correct |
2 ms |
5724 KB |
Output is correct |
17 |
Correct |
1 ms |
5724 KB |
Output is correct |
18 |
Correct |
1 ms |
5724 KB |
Output is correct |
19 |
Correct |
2 ms |
5720 KB |
Output is correct |
20 |
Correct |
2 ms |
5724 KB |
Output is correct |
21 |
Correct |
2 ms |
5724 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
5720 KB |
Output is correct |
2 |
Correct |
2 ms |
5720 KB |
Output is correct |
3 |
Correct |
1 ms |
5724 KB |
Output is correct |
4 |
Correct |
1 ms |
5724 KB |
Output is correct |
5 |
Correct |
1 ms |
5724 KB |
Output is correct |
6 |
Correct |
2 ms |
5724 KB |
Output is correct |
7 |
Correct |
2 ms |
5724 KB |
Output is correct |
8 |
Correct |
2 ms |
5720 KB |
Output is correct |
9 |
Correct |
2 ms |
5812 KB |
Output is correct |
10 |
Correct |
1 ms |
5724 KB |
Output is correct |
11 |
Correct |
1 ms |
5724 KB |
Output is correct |
12 |
Correct |
1 ms |
5724 KB |
Output is correct |
13 |
Correct |
2 ms |
5724 KB |
Output is correct |
14 |
Correct |
2 ms |
5724 KB |
Output is correct |
15 |
Correct |
1 ms |
5816 KB |
Output is correct |
16 |
Correct |
2 ms |
5724 KB |
Output is correct |
17 |
Correct |
1 ms |
5724 KB |
Output is correct |
18 |
Correct |
1 ms |
5724 KB |
Output is correct |
19 |
Correct |
2 ms |
5720 KB |
Output is correct |
20 |
Correct |
2 ms |
5724 KB |
Output is correct |
21 |
Correct |
2 ms |
5724 KB |
Output is correct |
22 |
Correct |
3 ms |
5980 KB |
Output is correct |
23 |
Correct |
2 ms |
5980 KB |
Output is correct |
24 |
Correct |
2 ms |
5976 KB |
Output is correct |
25 |
Correct |
2 ms |
5980 KB |
Output is correct |
26 |
Correct |
2 ms |
5980 KB |
Output is correct |
27 |
Correct |
2 ms |
5980 KB |
Output is correct |
28 |
Correct |
2 ms |
6032 KB |
Output is correct |
29 |
Correct |
3 ms |
6120 KB |
Output is correct |
30 |
Correct |
2 ms |
5980 KB |
Output is correct |
31 |
Correct |
2 ms |
5980 KB |
Output is correct |
32 |
Correct |
2 ms |
5816 KB |
Output is correct |
33 |
Correct |
2 ms |
5980 KB |
Output is correct |
34 |
Correct |
2 ms |
5980 KB |
Output is correct |
35 |
Correct |
2 ms |
5980 KB |
Output is correct |
36 |
Correct |
2 ms |
5980 KB |
Output is correct |
37 |
Correct |
2 ms |
5980 KB |
Output is correct |
38 |
Correct |
2 ms |
5980 KB |
Output is correct |
39 |
Correct |
2 ms |
5980 KB |
Output is correct |
40 |
Correct |
2 ms |
5980 KB |
Output is correct |
41 |
Correct |
2 ms |
5976 KB |
Output is correct |
42 |
Correct |
2 ms |
5980 KB |
Output is correct |
43 |
Correct |
2 ms |
6064 KB |
Output is correct |
44 |
Correct |
2 ms |
5980 KB |
Output is correct |
45 |
Correct |
2 ms |
5980 KB |
Output is correct |
46 |
Correct |
3 ms |
5976 KB |
Output is correct |
47 |
Correct |
2 ms |
5980 KB |
Output is correct |
48 |
Correct |
2 ms |
5980 KB |
Output is correct |
49 |
Correct |
3 ms |
5976 KB |
Output is correct |
50 |
Correct |
2 ms |
5980 KB |
Output is correct |
51 |
Correct |
2 ms |
5980 KB |
Output is correct |
52 |
Correct |
2 ms |
5980 KB |
Output is correct |
53 |
Correct |
2 ms |
5980 KB |
Output is correct |
54 |
Correct |
2 ms |
5980 KB |
Output is correct |
55 |
Correct |
2 ms |
5980 KB |
Output is correct |
56 |
Correct |
2 ms |
5980 KB |
Output is correct |
57 |
Correct |
2 ms |
5980 KB |
Output is correct |
58 |
Correct |
2 ms |
6048 KB |
Output is correct |
59 |
Correct |
2 ms |
6232 KB |
Output is correct |
60 |
Correct |
2 ms |
5968 KB |
Output is correct |
61 |
Correct |
2 ms |
5980 KB |
Output is correct |
62 |
Correct |
2 ms |
5980 KB |
Output is correct |
63 |
Correct |
2 ms |
5976 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
5720 KB |
Output is correct |
2 |
Correct |
2 ms |
5720 KB |
Output is correct |
3 |
Correct |
1 ms |
5724 KB |
Output is correct |
4 |
Correct |
1 ms |
5724 KB |
Output is correct |
5 |
Correct |
1 ms |
5724 KB |
Output is correct |
6 |
Correct |
2 ms |
5724 KB |
Output is correct |
7 |
Correct |
2 ms |
5724 KB |
Output is correct |
8 |
Correct |
2 ms |
5720 KB |
Output is correct |
9 |
Correct |
2 ms |
5812 KB |
Output is correct |
10 |
Correct |
1 ms |
5724 KB |
Output is correct |
11 |
Correct |
1 ms |
5724 KB |
Output is correct |
12 |
Correct |
1 ms |
5724 KB |
Output is correct |
13 |
Correct |
2 ms |
5724 KB |
Output is correct |
14 |
Correct |
2 ms |
5724 KB |
Output is correct |
15 |
Correct |
1 ms |
5816 KB |
Output is correct |
16 |
Correct |
2 ms |
5724 KB |
Output is correct |
17 |
Correct |
1 ms |
5724 KB |
Output is correct |
18 |
Correct |
1 ms |
5724 KB |
Output is correct |
19 |
Correct |
2 ms |
5720 KB |
Output is correct |
20 |
Correct |
2 ms |
5724 KB |
Output is correct |
21 |
Correct |
2 ms |
5724 KB |
Output is correct |
22 |
Correct |
3 ms |
5980 KB |
Output is correct |
23 |
Correct |
2 ms |
5980 KB |
Output is correct |
24 |
Correct |
2 ms |
5976 KB |
Output is correct |
25 |
Correct |
2 ms |
5980 KB |
Output is correct |
26 |
Correct |
2 ms |
5980 KB |
Output is correct |
27 |
Correct |
2 ms |
5980 KB |
Output is correct |
28 |
Correct |
2 ms |
6032 KB |
Output is correct |
29 |
Correct |
3 ms |
6120 KB |
Output is correct |
30 |
Correct |
2 ms |
5980 KB |
Output is correct |
31 |
Correct |
2 ms |
5980 KB |
Output is correct |
32 |
Correct |
2 ms |
5816 KB |
Output is correct |
33 |
Correct |
2 ms |
5980 KB |
Output is correct |
34 |
Correct |
2 ms |
5980 KB |
Output is correct |
35 |
Correct |
2 ms |
5980 KB |
Output is correct |
36 |
Correct |
2 ms |
5980 KB |
Output is correct |
37 |
Correct |
2 ms |
5980 KB |
Output is correct |
38 |
Correct |
2 ms |
5980 KB |
Output is correct |
39 |
Correct |
2 ms |
5980 KB |
Output is correct |
40 |
Correct |
2 ms |
5980 KB |
Output is correct |
41 |
Correct |
2 ms |
5976 KB |
Output is correct |
42 |
Correct |
2 ms |
5980 KB |
Output is correct |
43 |
Correct |
2 ms |
6064 KB |
Output is correct |
44 |
Correct |
2 ms |
5980 KB |
Output is correct |
45 |
Correct |
2 ms |
5980 KB |
Output is correct |
46 |
Correct |
3 ms |
5976 KB |
Output is correct |
47 |
Correct |
2 ms |
5980 KB |
Output is correct |
48 |
Correct |
2 ms |
5980 KB |
Output is correct |
49 |
Correct |
3 ms |
5976 KB |
Output is correct |
50 |
Correct |
2 ms |
5980 KB |
Output is correct |
51 |
Correct |
2 ms |
5980 KB |
Output is correct |
52 |
Correct |
2 ms |
5980 KB |
Output is correct |
53 |
Correct |
2 ms |
5980 KB |
Output is correct |
54 |
Correct |
2 ms |
5980 KB |
Output is correct |
55 |
Correct |
2 ms |
5980 KB |
Output is correct |
56 |
Correct |
2 ms |
5980 KB |
Output is correct |
57 |
Correct |
2 ms |
5980 KB |
Output is correct |
58 |
Correct |
2 ms |
6048 KB |
Output is correct |
59 |
Correct |
2 ms |
6232 KB |
Output is correct |
60 |
Correct |
2 ms |
5968 KB |
Output is correct |
61 |
Correct |
2 ms |
5980 KB |
Output is correct |
62 |
Correct |
2 ms |
5980 KB |
Output is correct |
63 |
Correct |
2 ms |
5976 KB |
Output is correct |
64 |
Correct |
91 ms |
15468 KB |
Output is correct |
65 |
Correct |
58 ms |
15192 KB |
Output is correct |
66 |
Correct |
66 ms |
15188 KB |
Output is correct |
67 |
Correct |
63 ms |
15184 KB |
Output is correct |
68 |
Correct |
60 ms |
15016 KB |
Output is correct |
69 |
Correct |
58 ms |
15204 KB |
Output is correct |
70 |
Correct |
69 ms |
15140 KB |
Output is correct |
71 |
Correct |
62 ms |
15256 KB |
Output is correct |
72 |
Correct |
59 ms |
15188 KB |
Output is correct |
73 |
Correct |
98 ms |
30288 KB |
Output is correct |
74 |
Correct |
96 ms |
30300 KB |
Output is correct |
75 |
Correct |
64 ms |
14928 KB |
Output is correct |
76 |
Correct |
62 ms |
14968 KB |
Output is correct |
77 |
Correct |
95 ms |
15100 KB |
Output is correct |
78 |
Correct |
59 ms |
14928 KB |
Output is correct |
79 |
Correct |
83 ms |
14928 KB |
Output is correct |
80 |
Correct |
60 ms |
14928 KB |
Output is correct |
81 |
Correct |
53 ms |
15240 KB |
Output is correct |
82 |
Correct |
58 ms |
15308 KB |
Output is correct |
83 |
Correct |
75 ms |
21328 KB |
Output is correct |
84 |
Correct |
74 ms |
23896 KB |
Output is correct |
85 |
Correct |
79 ms |
23512 KB |
Output is correct |
86 |
Correct |
64 ms |
16724 KB |
Output is correct |
87 |
Correct |
61 ms |
15900 KB |
Output is correct |
88 |
Correct |
83 ms |
16468 KB |
Output is correct |
89 |
Correct |
64 ms |
16464 KB |
Output is correct |
90 |
Correct |
61 ms |
16208 KB |
Output is correct |
91 |
Correct |
64 ms |
16464 KB |
Output is correct |
92 |
Correct |
62 ms |
16820 KB |
Output is correct |
93 |
Correct |
67 ms |
19856 KB |
Output is correct |
94 |
Correct |
75 ms |
21844 KB |
Output is correct |
95 |
Correct |
63 ms |
20400 KB |
Output is correct |
96 |
Correct |
68 ms |
18252 KB |
Output is correct |
97 |
Correct |
62 ms |
16212 KB |
Output is correct |
98 |
Correct |
61 ms |
15792 KB |
Output is correct |
99 |
Correct |
60 ms |
15440 KB |
Output is correct |
100 |
Correct |
68 ms |
19128 KB |
Output is correct |
101 |
Correct |
62 ms |
16720 KB |
Output is correct |
102 |
Correct |
74 ms |
16008 KB |
Output is correct |
103 |
Correct |
62 ms |
15696 KB |
Output is correct |
104 |
Correct |
48 ms |
15980 KB |
Output is correct |
105 |
Correct |
79 ms |
26452 KB |
Output is correct |
106 |
Correct |
41 ms |
15560 KB |
Output is correct |
107 |
Correct |
41 ms |
15560 KB |
Output is correct |
108 |
Correct |
98 ms |
31060 KB |
Output is correct |
109 |
Correct |
44 ms |
15860 KB |
Output is correct |
110 |
Correct |
82 ms |
31572 KB |
Output is correct |
111 |
Correct |
55 ms |
15020 KB |
Output is correct |