#include<bits/stdc++.h>
#define st first
#define nd second
#define eb emplace_back
#define pb push_back
#define pp pop_back
#define all(x) x.begin(), x.end()
using namespace std;
using ll = long long;
using pii = pair<int, int>;
using vi = vector<int>;
void debug(){cerr<<"\n";}
template<typename H, typename... T>
void debug(H h, T... t){cerr<<h;if(sizeof...(t))cerr<<", ";debug(t...);};
#define deb(x...) cerr<<#x<<" = ";debug(x);
mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
const int N=1e5+5, INF=1e9+5;
vi E[N];
string s;
int dp[N];
int ans=0;
void dfs(int v, int p){
int m=0;
for(int u:E[v]){
if(u!=p){
dfs(u, v);
dp[v]+=dp[u];
m=max(m, dp[u]);
}
}
if(s[v-1]-'0'){
ans=max(ans, m+1);
dp[v]=max(1, dp[v]-1);
}
ans=max(ans, dp[v]);
//deb(v, dp[v]);
}
int main(){
//ios_base::sync_with_stdio(0);cin.tie(0);
int n;
cin>>n;
for(int i=1; i<n; i++){
int u, v;
cin>>u>>v;
E[u].pb(v);
E[v].pb(u);
}
cin>>s;
dfs(1, 0);
cout<<ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2644 KB |
Output is correct |
2 |
Correct |
2 ms |
2644 KB |
Output is correct |
3 |
Correct |
2 ms |
2644 KB |
Output is correct |
4 |
Correct |
2 ms |
2644 KB |
Output is correct |
5 |
Correct |
2 ms |
2644 KB |
Output is correct |
6 |
Correct |
2 ms |
2644 KB |
Output is correct |
7 |
Correct |
2 ms |
2656 KB |
Output is correct |
8 |
Correct |
2 ms |
2644 KB |
Output is correct |
9 |
Correct |
2 ms |
2660 KB |
Output is correct |
10 |
Correct |
2 ms |
2644 KB |
Output is correct |
11 |
Correct |
2 ms |
2664 KB |
Output is correct |
12 |
Correct |
2 ms |
2656 KB |
Output is correct |
13 |
Correct |
2 ms |
2624 KB |
Output is correct |
14 |
Correct |
2 ms |
2644 KB |
Output is correct |
15 |
Correct |
2 ms |
2644 KB |
Output is correct |
16 |
Correct |
2 ms |
2644 KB |
Output is correct |
17 |
Correct |
2 ms |
2644 KB |
Output is correct |
18 |
Correct |
2 ms |
2644 KB |
Output is correct |
19 |
Correct |
2 ms |
2644 KB |
Output is correct |
20 |
Correct |
2 ms |
2656 KB |
Output is correct |
21 |
Correct |
2 ms |
2644 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2644 KB |
Output is correct |
2 |
Correct |
2 ms |
2644 KB |
Output is correct |
3 |
Correct |
2 ms |
2644 KB |
Output is correct |
4 |
Correct |
2 ms |
2644 KB |
Output is correct |
5 |
Correct |
2 ms |
2644 KB |
Output is correct |
6 |
Correct |
2 ms |
2644 KB |
Output is correct |
7 |
Correct |
2 ms |
2656 KB |
Output is correct |
8 |
Correct |
2 ms |
2644 KB |
Output is correct |
9 |
Correct |
2 ms |
2660 KB |
Output is correct |
10 |
Correct |
2 ms |
2644 KB |
Output is correct |
11 |
Correct |
2 ms |
2664 KB |
Output is correct |
12 |
Correct |
2 ms |
2656 KB |
Output is correct |
13 |
Correct |
2 ms |
2624 KB |
Output is correct |
14 |
Correct |
2 ms |
2644 KB |
Output is correct |
15 |
Correct |
2 ms |
2644 KB |
Output is correct |
16 |
Correct |
2 ms |
2644 KB |
Output is correct |
17 |
Correct |
2 ms |
2644 KB |
Output is correct |
18 |
Correct |
2 ms |
2644 KB |
Output is correct |
19 |
Correct |
2 ms |
2644 KB |
Output is correct |
20 |
Correct |
2 ms |
2656 KB |
Output is correct |
21 |
Correct |
2 ms |
2644 KB |
Output is correct |
22 |
Correct |
3 ms |
2644 KB |
Output is correct |
23 |
Correct |
3 ms |
2676 KB |
Output is correct |
24 |
Correct |
4 ms |
2640 KB |
Output is correct |
25 |
Correct |
3 ms |
2644 KB |
Output is correct |
26 |
Correct |
3 ms |
2644 KB |
Output is correct |
27 |
Correct |
3 ms |
2644 KB |
Output is correct |
28 |
Correct |
3 ms |
2644 KB |
Output is correct |
29 |
Correct |
3 ms |
2772 KB |
Output is correct |
30 |
Correct |
3 ms |
2736 KB |
Output is correct |
31 |
Correct |
3 ms |
2644 KB |
Output is correct |
32 |
Correct |
3 ms |
2732 KB |
Output is correct |
33 |
Correct |
3 ms |
2644 KB |
Output is correct |
34 |
Correct |
3 ms |
2644 KB |
Output is correct |
35 |
Correct |
4 ms |
2644 KB |
Output is correct |
36 |
Correct |
4 ms |
2644 KB |
Output is correct |
37 |
Correct |
4 ms |
2664 KB |
Output is correct |
38 |
Correct |
3 ms |
2644 KB |
Output is correct |
39 |
Correct |
3 ms |
2772 KB |
Output is correct |
40 |
Correct |
3 ms |
2772 KB |
Output is correct |
41 |
Correct |
3 ms |
2804 KB |
Output is correct |
42 |
Correct |
3 ms |
2772 KB |
Output is correct |
43 |
Correct |
3 ms |
2672 KB |
Output is correct |
44 |
Correct |
3 ms |
2772 KB |
Output is correct |
45 |
Correct |
3 ms |
2772 KB |
Output is correct |
46 |
Correct |
4 ms |
2672 KB |
Output is correct |
47 |
Correct |
3 ms |
2772 KB |
Output is correct |
48 |
Correct |
3 ms |
2772 KB |
Output is correct |
49 |
Correct |
3 ms |
2772 KB |
Output is correct |
50 |
Correct |
3 ms |
2800 KB |
Output is correct |
51 |
Correct |
3 ms |
2772 KB |
Output is correct |
52 |
Correct |
3 ms |
2680 KB |
Output is correct |
53 |
Correct |
4 ms |
2728 KB |
Output is correct |
54 |
Correct |
3 ms |
2772 KB |
Output is correct |
55 |
Correct |
3 ms |
2668 KB |
Output is correct |
56 |
Correct |
4 ms |
2644 KB |
Output is correct |
57 |
Correct |
4 ms |
2928 KB |
Output is correct |
58 |
Correct |
3 ms |
2772 KB |
Output is correct |
59 |
Correct |
3 ms |
2772 KB |
Output is correct |
60 |
Correct |
3 ms |
2772 KB |
Output is correct |
61 |
Correct |
5 ms |
2744 KB |
Output is correct |
62 |
Correct |
3 ms |
2780 KB |
Output is correct |
63 |
Correct |
3 ms |
2784 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2644 KB |
Output is correct |
2 |
Correct |
2 ms |
2644 KB |
Output is correct |
3 |
Correct |
2 ms |
2644 KB |
Output is correct |
4 |
Correct |
2 ms |
2644 KB |
Output is correct |
5 |
Correct |
2 ms |
2644 KB |
Output is correct |
6 |
Correct |
2 ms |
2644 KB |
Output is correct |
7 |
Correct |
2 ms |
2656 KB |
Output is correct |
8 |
Correct |
2 ms |
2644 KB |
Output is correct |
9 |
Correct |
2 ms |
2660 KB |
Output is correct |
10 |
Correct |
2 ms |
2644 KB |
Output is correct |
11 |
Correct |
2 ms |
2664 KB |
Output is correct |
12 |
Correct |
2 ms |
2656 KB |
Output is correct |
13 |
Correct |
2 ms |
2624 KB |
Output is correct |
14 |
Correct |
2 ms |
2644 KB |
Output is correct |
15 |
Correct |
2 ms |
2644 KB |
Output is correct |
16 |
Correct |
2 ms |
2644 KB |
Output is correct |
17 |
Correct |
2 ms |
2644 KB |
Output is correct |
18 |
Correct |
2 ms |
2644 KB |
Output is correct |
19 |
Correct |
2 ms |
2644 KB |
Output is correct |
20 |
Correct |
2 ms |
2656 KB |
Output is correct |
21 |
Correct |
2 ms |
2644 KB |
Output is correct |
22 |
Correct |
3 ms |
2644 KB |
Output is correct |
23 |
Correct |
3 ms |
2676 KB |
Output is correct |
24 |
Correct |
4 ms |
2640 KB |
Output is correct |
25 |
Correct |
3 ms |
2644 KB |
Output is correct |
26 |
Correct |
3 ms |
2644 KB |
Output is correct |
27 |
Correct |
3 ms |
2644 KB |
Output is correct |
28 |
Correct |
3 ms |
2644 KB |
Output is correct |
29 |
Correct |
3 ms |
2772 KB |
Output is correct |
30 |
Correct |
3 ms |
2736 KB |
Output is correct |
31 |
Correct |
3 ms |
2644 KB |
Output is correct |
32 |
Correct |
3 ms |
2732 KB |
Output is correct |
33 |
Correct |
3 ms |
2644 KB |
Output is correct |
34 |
Correct |
3 ms |
2644 KB |
Output is correct |
35 |
Correct |
4 ms |
2644 KB |
Output is correct |
36 |
Correct |
4 ms |
2644 KB |
Output is correct |
37 |
Correct |
4 ms |
2664 KB |
Output is correct |
38 |
Correct |
3 ms |
2644 KB |
Output is correct |
39 |
Correct |
3 ms |
2772 KB |
Output is correct |
40 |
Correct |
3 ms |
2772 KB |
Output is correct |
41 |
Correct |
3 ms |
2804 KB |
Output is correct |
42 |
Correct |
3 ms |
2772 KB |
Output is correct |
43 |
Correct |
3 ms |
2672 KB |
Output is correct |
44 |
Correct |
3 ms |
2772 KB |
Output is correct |
45 |
Correct |
3 ms |
2772 KB |
Output is correct |
46 |
Correct |
4 ms |
2672 KB |
Output is correct |
47 |
Correct |
3 ms |
2772 KB |
Output is correct |
48 |
Correct |
3 ms |
2772 KB |
Output is correct |
49 |
Correct |
3 ms |
2772 KB |
Output is correct |
50 |
Correct |
3 ms |
2800 KB |
Output is correct |
51 |
Correct |
3 ms |
2772 KB |
Output is correct |
52 |
Correct |
3 ms |
2680 KB |
Output is correct |
53 |
Correct |
4 ms |
2728 KB |
Output is correct |
54 |
Correct |
3 ms |
2772 KB |
Output is correct |
55 |
Correct |
3 ms |
2668 KB |
Output is correct |
56 |
Correct |
4 ms |
2644 KB |
Output is correct |
57 |
Correct |
4 ms |
2928 KB |
Output is correct |
58 |
Correct |
3 ms |
2772 KB |
Output is correct |
59 |
Correct |
3 ms |
2772 KB |
Output is correct |
60 |
Correct |
3 ms |
2772 KB |
Output is correct |
61 |
Correct |
5 ms |
2744 KB |
Output is correct |
62 |
Correct |
3 ms |
2780 KB |
Output is correct |
63 |
Correct |
3 ms |
2784 KB |
Output is correct |
64 |
Runtime error |
4 ms |
5216 KB |
Execution killed with signal 11 |
65 |
Halted |
0 ms |
0 KB |
- |