#include<bits/stdc++.h>
using namespace std;
const int MX = 200005;
vector<int>g[MX];
int n;
int dp[MX];
string s;
int ans;
int solve(int v, int p=-1) {
int &ret = dp[v];
if(ret!=-1) return ret;
ret = 0;
if(s[v]=='0') {
for(auto u : g[v]) if(u!=p) {
ret += solve(u, v);
}
} else {
int mx = 0, sum = 0;
for(auto u : g[v]) if(u!=p) {
mx = max(mx, solve(u, v));
sum += solve(u, v);
}
mx += 1;
sum -= 1;
ans = max({mx, ans, sum});
ret = max(1, sum);
}
return ret;
}
void PlayGround() {
cin >> n;
for(int i=1; i<n; ++i) {
int u, v; cin >> u >> v;
g[u].push_back(v);
g[v].push_back(u);
}
cin >> s;
s = "#" + s;
memset(dp, -1, sizeof dp);
cout << max(ans, solve(1)) << endl;
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
PlayGround();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
5708 KB |
Output is correct |
2 |
Correct |
3 ms |
5708 KB |
Output is correct |
3 |
Correct |
3 ms |
5708 KB |
Output is correct |
4 |
Correct |
3 ms |
5708 KB |
Output is correct |
5 |
Correct |
3 ms |
5708 KB |
Output is correct |
6 |
Correct |
3 ms |
5720 KB |
Output is correct |
7 |
Correct |
2 ms |
5708 KB |
Output is correct |
8 |
Correct |
3 ms |
5708 KB |
Output is correct |
9 |
Correct |
3 ms |
5708 KB |
Output is correct |
10 |
Correct |
4 ms |
5708 KB |
Output is correct |
11 |
Correct |
3 ms |
5708 KB |
Output is correct |
12 |
Correct |
3 ms |
5708 KB |
Output is correct |
13 |
Correct |
3 ms |
5708 KB |
Output is correct |
14 |
Correct |
4 ms |
5708 KB |
Output is correct |
15 |
Correct |
3 ms |
5708 KB |
Output is correct |
16 |
Correct |
3 ms |
5708 KB |
Output is correct |
17 |
Correct |
3 ms |
5708 KB |
Output is correct |
18 |
Correct |
3 ms |
5764 KB |
Output is correct |
19 |
Correct |
4 ms |
5708 KB |
Output is correct |
20 |
Correct |
4 ms |
5708 KB |
Output is correct |
21 |
Correct |
2 ms |
5708 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
5708 KB |
Output is correct |
2 |
Correct |
3 ms |
5708 KB |
Output is correct |
3 |
Correct |
3 ms |
5708 KB |
Output is correct |
4 |
Correct |
3 ms |
5708 KB |
Output is correct |
5 |
Correct |
3 ms |
5708 KB |
Output is correct |
6 |
Correct |
3 ms |
5720 KB |
Output is correct |
7 |
Correct |
2 ms |
5708 KB |
Output is correct |
8 |
Correct |
3 ms |
5708 KB |
Output is correct |
9 |
Correct |
3 ms |
5708 KB |
Output is correct |
10 |
Correct |
4 ms |
5708 KB |
Output is correct |
11 |
Correct |
3 ms |
5708 KB |
Output is correct |
12 |
Correct |
3 ms |
5708 KB |
Output is correct |
13 |
Correct |
3 ms |
5708 KB |
Output is correct |
14 |
Correct |
4 ms |
5708 KB |
Output is correct |
15 |
Correct |
3 ms |
5708 KB |
Output is correct |
16 |
Correct |
3 ms |
5708 KB |
Output is correct |
17 |
Correct |
3 ms |
5708 KB |
Output is correct |
18 |
Correct |
3 ms |
5764 KB |
Output is correct |
19 |
Correct |
4 ms |
5708 KB |
Output is correct |
20 |
Correct |
4 ms |
5708 KB |
Output is correct |
21 |
Correct |
2 ms |
5708 KB |
Output is correct |
22 |
Correct |
3 ms |
5836 KB |
Output is correct |
23 |
Correct |
3 ms |
5800 KB |
Output is correct |
24 |
Correct |
4 ms |
5836 KB |
Output is correct |
25 |
Correct |
4 ms |
5792 KB |
Output is correct |
26 |
Correct |
3 ms |
5788 KB |
Output is correct |
27 |
Correct |
4 ms |
5836 KB |
Output is correct |
28 |
Correct |
5 ms |
5796 KB |
Output is correct |
29 |
Correct |
5 ms |
5920 KB |
Output is correct |
30 |
Correct |
4 ms |
5964 KB |
Output is correct |
31 |
Correct |
3 ms |
5836 KB |
Output is correct |
32 |
Correct |
4 ms |
5836 KB |
Output is correct |
33 |
Correct |
3 ms |
5836 KB |
Output is correct |
34 |
Correct |
5 ms |
5836 KB |
Output is correct |
35 |
Correct |
3 ms |
5836 KB |
Output is correct |
36 |
Correct |
4 ms |
5800 KB |
Output is correct |
37 |
Correct |
3 ms |
5836 KB |
Output is correct |
38 |
Correct |
4 ms |
5836 KB |
Output is correct |
39 |
Correct |
4 ms |
5964 KB |
Output is correct |
40 |
Correct |
4 ms |
5860 KB |
Output is correct |
41 |
Correct |
3 ms |
5836 KB |
Output is correct |
42 |
Correct |
3 ms |
5836 KB |
Output is correct |
43 |
Correct |
4 ms |
5836 KB |
Output is correct |
44 |
Correct |
4 ms |
5836 KB |
Output is correct |
45 |
Correct |
3 ms |
5836 KB |
Output is correct |
46 |
Correct |
4 ms |
5836 KB |
Output is correct |
47 |
Correct |
4 ms |
5836 KB |
Output is correct |
48 |
Correct |
5 ms |
5968 KB |
Output is correct |
49 |
Correct |
3 ms |
5964 KB |
Output is correct |
50 |
Correct |
3 ms |
5836 KB |
Output is correct |
51 |
Correct |
3 ms |
5836 KB |
Output is correct |
52 |
Correct |
4 ms |
5836 KB |
Output is correct |
53 |
Correct |
3 ms |
5792 KB |
Output is correct |
54 |
Correct |
3 ms |
5836 KB |
Output is correct |
55 |
Correct |
4 ms |
5836 KB |
Output is correct |
56 |
Correct |
4 ms |
5784 KB |
Output is correct |
57 |
Correct |
4 ms |
5964 KB |
Output is correct |
58 |
Correct |
3 ms |
5836 KB |
Output is correct |
59 |
Correct |
4 ms |
5876 KB |
Output is correct |
60 |
Correct |
3 ms |
5928 KB |
Output is correct |
61 |
Correct |
3 ms |
5796 KB |
Output is correct |
62 |
Correct |
4 ms |
5964 KB |
Output is correct |
63 |
Correct |
4 ms |
5836 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
5708 KB |
Output is correct |
2 |
Correct |
3 ms |
5708 KB |
Output is correct |
3 |
Correct |
3 ms |
5708 KB |
Output is correct |
4 |
Correct |
3 ms |
5708 KB |
Output is correct |
5 |
Correct |
3 ms |
5708 KB |
Output is correct |
6 |
Correct |
3 ms |
5720 KB |
Output is correct |
7 |
Correct |
2 ms |
5708 KB |
Output is correct |
8 |
Correct |
3 ms |
5708 KB |
Output is correct |
9 |
Correct |
3 ms |
5708 KB |
Output is correct |
10 |
Correct |
4 ms |
5708 KB |
Output is correct |
11 |
Correct |
3 ms |
5708 KB |
Output is correct |
12 |
Correct |
3 ms |
5708 KB |
Output is correct |
13 |
Correct |
3 ms |
5708 KB |
Output is correct |
14 |
Correct |
4 ms |
5708 KB |
Output is correct |
15 |
Correct |
3 ms |
5708 KB |
Output is correct |
16 |
Correct |
3 ms |
5708 KB |
Output is correct |
17 |
Correct |
3 ms |
5708 KB |
Output is correct |
18 |
Correct |
3 ms |
5764 KB |
Output is correct |
19 |
Correct |
4 ms |
5708 KB |
Output is correct |
20 |
Correct |
4 ms |
5708 KB |
Output is correct |
21 |
Correct |
2 ms |
5708 KB |
Output is correct |
22 |
Correct |
3 ms |
5836 KB |
Output is correct |
23 |
Correct |
3 ms |
5800 KB |
Output is correct |
24 |
Correct |
4 ms |
5836 KB |
Output is correct |
25 |
Correct |
4 ms |
5792 KB |
Output is correct |
26 |
Correct |
3 ms |
5788 KB |
Output is correct |
27 |
Correct |
4 ms |
5836 KB |
Output is correct |
28 |
Correct |
5 ms |
5796 KB |
Output is correct |
29 |
Correct |
5 ms |
5920 KB |
Output is correct |
30 |
Correct |
4 ms |
5964 KB |
Output is correct |
31 |
Correct |
3 ms |
5836 KB |
Output is correct |
32 |
Correct |
4 ms |
5836 KB |
Output is correct |
33 |
Correct |
3 ms |
5836 KB |
Output is correct |
34 |
Correct |
5 ms |
5836 KB |
Output is correct |
35 |
Correct |
3 ms |
5836 KB |
Output is correct |
36 |
Correct |
4 ms |
5800 KB |
Output is correct |
37 |
Correct |
3 ms |
5836 KB |
Output is correct |
38 |
Correct |
4 ms |
5836 KB |
Output is correct |
39 |
Correct |
4 ms |
5964 KB |
Output is correct |
40 |
Correct |
4 ms |
5860 KB |
Output is correct |
41 |
Correct |
3 ms |
5836 KB |
Output is correct |
42 |
Correct |
3 ms |
5836 KB |
Output is correct |
43 |
Correct |
4 ms |
5836 KB |
Output is correct |
44 |
Correct |
4 ms |
5836 KB |
Output is correct |
45 |
Correct |
3 ms |
5836 KB |
Output is correct |
46 |
Correct |
4 ms |
5836 KB |
Output is correct |
47 |
Correct |
4 ms |
5836 KB |
Output is correct |
48 |
Correct |
5 ms |
5968 KB |
Output is correct |
49 |
Correct |
3 ms |
5964 KB |
Output is correct |
50 |
Correct |
3 ms |
5836 KB |
Output is correct |
51 |
Correct |
3 ms |
5836 KB |
Output is correct |
52 |
Correct |
4 ms |
5836 KB |
Output is correct |
53 |
Correct |
3 ms |
5792 KB |
Output is correct |
54 |
Correct |
3 ms |
5836 KB |
Output is correct |
55 |
Correct |
4 ms |
5836 KB |
Output is correct |
56 |
Correct |
4 ms |
5784 KB |
Output is correct |
57 |
Correct |
4 ms |
5964 KB |
Output is correct |
58 |
Correct |
3 ms |
5836 KB |
Output is correct |
59 |
Correct |
4 ms |
5876 KB |
Output is correct |
60 |
Correct |
3 ms |
5928 KB |
Output is correct |
61 |
Correct |
3 ms |
5796 KB |
Output is correct |
62 |
Correct |
4 ms |
5964 KB |
Output is correct |
63 |
Correct |
4 ms |
5836 KB |
Output is correct |
64 |
Correct |
135 ms |
15092 KB |
Output is correct |
65 |
Correct |
103 ms |
15144 KB |
Output is correct |
66 |
Correct |
121 ms |
15148 KB |
Output is correct |
67 |
Correct |
153 ms |
15164 KB |
Output is correct |
68 |
Correct |
107 ms |
15200 KB |
Output is correct |
69 |
Correct |
127 ms |
15304 KB |
Output is correct |
70 |
Correct |
132 ms |
15200 KB |
Output is correct |
71 |
Correct |
105 ms |
15176 KB |
Output is correct |
72 |
Correct |
138 ms |
15164 KB |
Output is correct |
73 |
Correct |
163 ms |
30260 KB |
Output is correct |
74 |
Correct |
127 ms |
30228 KB |
Output is correct |
75 |
Correct |
136 ms |
15144 KB |
Output is correct |
76 |
Correct |
101 ms |
15008 KB |
Output is correct |
77 |
Correct |
114 ms |
15084 KB |
Output is correct |
78 |
Correct |
124 ms |
15068 KB |
Output is correct |
79 |
Correct |
112 ms |
15092 KB |
Output is correct |
80 |
Correct |
104 ms |
15084 KB |
Output is correct |
81 |
Correct |
88 ms |
15408 KB |
Output is correct |
82 |
Correct |
109 ms |
15216 KB |
Output is correct |
83 |
Correct |
116 ms |
21336 KB |
Output is correct |
84 |
Correct |
142 ms |
23884 KB |
Output is correct |
85 |
Correct |
133 ms |
23396 KB |
Output is correct |
86 |
Correct |
129 ms |
16808 KB |
Output is correct |
87 |
Correct |
142 ms |
16032 KB |
Output is correct |
88 |
Correct |
111 ms |
16456 KB |
Output is correct |
89 |
Correct |
108 ms |
16596 KB |
Output is correct |
90 |
Correct |
97 ms |
16252 KB |
Output is correct |
91 |
Correct |
115 ms |
16484 KB |
Output is correct |
92 |
Correct |
102 ms |
16900 KB |
Output is correct |
93 |
Correct |
127 ms |
19984 KB |
Output is correct |
94 |
Correct |
103 ms |
21988 KB |
Output is correct |
95 |
Correct |
101 ms |
20260 KB |
Output is correct |
96 |
Correct |
111 ms |
18228 KB |
Output is correct |
97 |
Correct |
111 ms |
16348 KB |
Output is correct |
98 |
Correct |
109 ms |
15660 KB |
Output is correct |
99 |
Correct |
103 ms |
15668 KB |
Output is correct |
100 |
Correct |
118 ms |
19276 KB |
Output is correct |
101 |
Correct |
100 ms |
16872 KB |
Output is correct |
102 |
Correct |
94 ms |
16000 KB |
Output is correct |
103 |
Correct |
138 ms |
15744 KB |
Output is correct |
104 |
Correct |
63 ms |
15996 KB |
Output is correct |
105 |
Correct |
118 ms |
26488 KB |
Output is correct |
106 |
Correct |
58 ms |
15900 KB |
Output is correct |
107 |
Correct |
61 ms |
15832 KB |
Output is correct |
108 |
Correct |
129 ms |
31232 KB |
Output is correct |
109 |
Correct |
61 ms |
16048 KB |
Output is correct |
110 |
Correct |
143 ms |
31592 KB |
Output is correct |
111 |
Correct |
104 ms |
15032 KB |
Output is correct |