#include <bits/stdc++.h>
#define ii pair<int,int>
#define f first
#define s second
#define pb push_back
#define int long long
#define endl '\n'
using namespace std;
const int MAXN = 1e18;
int mod = 1e9 + 7;
int a[200005];
int dp[200005];
bool state[200005];
vector<int> w[200005];
int ans = 0;
void DFS(int u,int par)
{
int cnt = 0;
for(int v:w[u])
{
if(v == par)
{
continue;
}
DFS(v,u);
dp[u] += dp[v];
cnt = max(cnt,dp[v]);
}
if(state[u] == 1)
{
ans = max(ans,cnt + 1);
dp[u] = max(1ll,dp[u] - 1);
}
ans = max(ans,dp[u]);
}
void AcSolution()
{
int n;
cin >> n;
for(int i = 1;i < n;i++)
{
int u,v;
cin >> u >> v;
w[u].push_back(v);
w[v].push_back(u);
}
for(int i = 1;i <= n;i++)
{
char x;
cin >> x;
if(x == '1')
{
state[i] = 1;
}
else
{
state[i] = 0;
}
}
DFS(1,0);
cout << ans << endl;
}
signed main()
{
// freopen("BDIGIT.inp", "r",stdin);
// freopen("BDIGIT.out", "w",stdout);
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int t = 1;
// cin >> t;
while(t--)
{
AcSolution();
}
}
# |
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 |
3 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 |
4940 KB |
Output is correct |
12 |
Correct |
2 ms |
4948 KB |
Output is correct |
13 |
Correct |
2 ms |
4948 KB |
Output is correct |
14 |
Correct |
3 ms |
4948 KB |
Output is correct |
15 |
Correct |
2 ms |
4948 KB |
Output is correct |
16 |
Correct |
2 ms |
4948 KB |
Output is correct |
17 |
Correct |
2 ms |
4972 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 |
3 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 |
4940 KB |
Output is correct |
12 |
Correct |
2 ms |
4948 KB |
Output is correct |
13 |
Correct |
2 ms |
4948 KB |
Output is correct |
14 |
Correct |
3 ms |
4948 KB |
Output is correct |
15 |
Correct |
2 ms |
4948 KB |
Output is correct |
16 |
Correct |
2 ms |
4948 KB |
Output is correct |
17 |
Correct |
2 ms |
4972 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 |
5076 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 |
5204 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 |
4 ms |
5048 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 |
2 ms |
5076 KB |
Output is correct |
55 |
Correct |
3 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 |
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 |
5216 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 |
3 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 |
4940 KB |
Output is correct |
12 |
Correct |
2 ms |
4948 KB |
Output is correct |
13 |
Correct |
2 ms |
4948 KB |
Output is correct |
14 |
Correct |
3 ms |
4948 KB |
Output is correct |
15 |
Correct |
2 ms |
4948 KB |
Output is correct |
16 |
Correct |
2 ms |
4948 KB |
Output is correct |
17 |
Correct |
2 ms |
4972 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 |
5076 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 |
5204 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 |
4 ms |
5048 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 |
2 ms |
5076 KB |
Output is correct |
55 |
Correct |
3 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 |
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 |
5216 KB |
Output is correct |
63 |
Correct |
3 ms |
5076 KB |
Output is correct |
64 |
Correct |
70 ms |
14112 KB |
Output is correct |
65 |
Correct |
81 ms |
14120 KB |
Output is correct |
66 |
Correct |
89 ms |
14124 KB |
Output is correct |
67 |
Correct |
64 ms |
14040 KB |
Output is correct |
68 |
Correct |
69 ms |
14112 KB |
Output is correct |
69 |
Correct |
70 ms |
14028 KB |
Output is correct |
70 |
Correct |
76 ms |
14028 KB |
Output is correct |
71 |
Correct |
98 ms |
14124 KB |
Output is correct |
72 |
Correct |
68 ms |
14100 KB |
Output is correct |
73 |
Correct |
103 ms |
25636 KB |
Output is correct |
74 |
Correct |
108 ms |
25600 KB |
Output is correct |
75 |
Correct |
69 ms |
15276 KB |
Output is correct |
76 |
Correct |
70 ms |
15316 KB |
Output is correct |
77 |
Correct |
73 ms |
14072 KB |
Output is correct |
78 |
Correct |
70 ms |
14008 KB |
Output is correct |
79 |
Correct |
67 ms |
14048 KB |
Output is correct |
80 |
Correct |
68 ms |
14092 KB |
Output is correct |
81 |
Correct |
68 ms |
14080 KB |
Output is correct |
82 |
Correct |
63 ms |
14004 KB |
Output is correct |
83 |
Correct |
117 ms |
19096 KB |
Output is correct |
84 |
Correct |
79 ms |
21292 KB |
Output is correct |
85 |
Correct |
92 ms |
21012 KB |
Output is correct |
86 |
Correct |
96 ms |
15504 KB |
Output is correct |
87 |
Correct |
89 ms |
14860 KB |
Output is correct |
88 |
Correct |
67 ms |
14928 KB |
Output is correct |
89 |
Correct |
67 ms |
14924 KB |
Output is correct |
90 |
Correct |
71 ms |
14804 KB |
Output is correct |
91 |
Correct |
77 ms |
14928 KB |
Output is correct |
92 |
Correct |
77 ms |
15348 KB |
Output is correct |
93 |
Correct |
77 ms |
17564 KB |
Output is correct |
94 |
Correct |
68 ms |
19252 KB |
Output is correct |
95 |
Correct |
68 ms |
17856 KB |
Output is correct |
96 |
Correct |
68 ms |
16044 KB |
Output is correct |
97 |
Correct |
83 ms |
14716 KB |
Output is correct |
98 |
Correct |
68 ms |
14292 KB |
Output is correct |
99 |
Correct |
67 ms |
14116 KB |
Output is correct |
100 |
Correct |
68 ms |
17036 KB |
Output is correct |
101 |
Correct |
67 ms |
14924 KB |
Output is correct |
102 |
Correct |
68 ms |
14416 KB |
Output is correct |
103 |
Correct |
69 ms |
14404 KB |
Output is correct |
104 |
Correct |
65 ms |
13028 KB |
Output is correct |
105 |
Correct |
101 ms |
22512 KB |
Output is correct |
106 |
Correct |
46 ms |
14520 KB |
Output is correct |
107 |
Correct |
45 ms |
14544 KB |
Output is correct |
108 |
Correct |
80 ms |
26500 KB |
Output is correct |
109 |
Correct |
44 ms |
12996 KB |
Output is correct |
110 |
Correct |
80 ms |
26792 KB |
Output is correct |
111 |
Correct |
65 ms |
14028 KB |
Output is correct |