#include <bits/stdc++.h>
using namespace std;
const int NM = 2e5;
int N, plant[NM+5], dp[NM+5], ans = 0;
vector <int> adj[NM+5];
void DFS(int u, int par){
int tmp = 0;
for (int i = 0; i < adj[u].size(); i++){
int v = adj[u][i];
if (v == par) continue;
DFS(v, u);
dp[u] += dp[v];
tmp = max(tmp, dp[v]);
}
dp[u] -= plant[u];
dp[u] = max(dp[u], plant[u]);
ans = max(ans, dp[u]);
ans = max(ans, tmp+plant[u]);
}
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cin >> N;
for (int i = 1; i < N; i++){
int u, v;
cin >> u >> v;
adj[u].push_back(v);
adj[v].push_back(u);
}
for (int i = 1; i <= N; i++){
char ch; cin >> ch;
plant[i] = ch-'0';
}
DFS(1, 1);
cout << ans;
return 0;
}
Compilation message
power.cpp: In function 'void DFS(int, int)':
power.cpp:11:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
11 | for (int i = 0; i < adj[u].size(); i++){
| ~~^~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
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 |
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 |
4 ms |
5076 KB |
Output is correct |
| 10 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 11 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 12 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 13 |
Correct |
3 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 |
2 ms |
4948 KB |
Output is correct |
| 17 |
Correct |
2 ms |
4948 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 |
| # |
Verdict |
Execution time |
Memory |
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 |
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 |
4 ms |
5076 KB |
Output is correct |
| 10 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 11 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 12 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 13 |
Correct |
3 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 |
2 ms |
4948 KB |
Output is correct |
| 17 |
Correct |
2 ms |
4948 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 |
2 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 |
5076 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 |
5096 KB |
Output is correct |
| 39 |
Correct |
2 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 |
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 |
2 ms |
5076 KB |
Output is correct |
| 50 |
Correct |
3 ms |
5064 KB |
Output is correct |
| 51 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 52 |
Correct |
4 ms |
5064 KB |
Output is correct |
| 53 |
Correct |
2 ms |
5076 KB |
Output is correct |
| 54 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 55 |
Correct |
2 ms |
5076 KB |
Output is correct |
| 56 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 57 |
Correct |
2 ms |
5204 KB |
Output is correct |
| 58 |
Correct |
4 ms |
5036 KB |
Output is correct |
| 59 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 60 |
Correct |
2 ms |
5076 KB |
Output is correct |
| 61 |
Correct |
3 ms |
5100 KB |
Output is correct |
| 62 |
Correct |
3 ms |
5204 KB |
Output is correct |
| 63 |
Correct |
3 ms |
5076 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
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 |
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 |
4 ms |
5076 KB |
Output is correct |
| 10 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 11 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 12 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 13 |
Correct |
3 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 |
2 ms |
4948 KB |
Output is correct |
| 17 |
Correct |
2 ms |
4948 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 |
2 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 |
5076 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 |
5096 KB |
Output is correct |
| 39 |
Correct |
2 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 |
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 |
2 ms |
5076 KB |
Output is correct |
| 50 |
Correct |
3 ms |
5064 KB |
Output is correct |
| 51 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 52 |
Correct |
4 ms |
5064 KB |
Output is correct |
| 53 |
Correct |
2 ms |
5076 KB |
Output is correct |
| 54 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 55 |
Correct |
2 ms |
5076 KB |
Output is correct |
| 56 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 57 |
Correct |
2 ms |
5204 KB |
Output is correct |
| 58 |
Correct |
4 ms |
5036 KB |
Output is correct |
| 59 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 60 |
Correct |
2 ms |
5076 KB |
Output is correct |
| 61 |
Correct |
3 ms |
5100 KB |
Output is correct |
| 62 |
Correct |
3 ms |
5204 KB |
Output is correct |
| 63 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 64 |
Correct |
99 ms |
12944 KB |
Output is correct |
| 65 |
Correct |
68 ms |
12844 KB |
Output is correct |
| 66 |
Correct |
66 ms |
12948 KB |
Output is correct |
| 67 |
Correct |
66 ms |
12904 KB |
Output is correct |
| 68 |
Correct |
71 ms |
12888 KB |
Output is correct |
| 69 |
Correct |
64 ms |
12932 KB |
Output is correct |
| 70 |
Correct |
65 ms |
12912 KB |
Output is correct |
| 71 |
Correct |
86 ms |
12912 KB |
Output is correct |
| 72 |
Correct |
66 ms |
12872 KB |
Output is correct |
| 73 |
Correct |
87 ms |
25520 KB |
Output is correct |
| 74 |
Correct |
84 ms |
25492 KB |
Output is correct |
| 75 |
Correct |
81 ms |
12708 KB |
Output is correct |
| 76 |
Correct |
64 ms |
12736 KB |
Output is correct |
| 77 |
Correct |
64 ms |
12772 KB |
Output is correct |
| 78 |
Correct |
104 ms |
12824 KB |
Output is correct |
| 79 |
Correct |
65 ms |
12768 KB |
Output is correct |
| 80 |
Correct |
64 ms |
12800 KB |
Output is correct |
| 81 |
Correct |
66 ms |
13204 KB |
Output is correct |
| 82 |
Correct |
63 ms |
13020 KB |
Output is correct |
| 83 |
Correct |
74 ms |
17956 KB |
Output is correct |
| 84 |
Correct |
100 ms |
20076 KB |
Output is correct |
| 85 |
Correct |
83 ms |
19864 KB |
Output is correct |
| 86 |
Correct |
69 ms |
14236 KB |
Output is correct |
| 87 |
Correct |
68 ms |
13696 KB |
Output is correct |
| 88 |
Correct |
69 ms |
14056 KB |
Output is correct |
| 89 |
Correct |
77 ms |
14092 KB |
Output is correct |
| 90 |
Correct |
120 ms |
13852 KB |
Output is correct |
| 91 |
Correct |
66 ms |
14152 KB |
Output is correct |
| 92 |
Correct |
67 ms |
14492 KB |
Output is correct |
| 93 |
Correct |
72 ms |
16936 KB |
Output is correct |
| 94 |
Correct |
82 ms |
18584 KB |
Output is correct |
| 95 |
Correct |
74 ms |
17296 KB |
Output is correct |
| 96 |
Correct |
72 ms |
15396 KB |
Output is correct |
| 97 |
Correct |
67 ms |
13900 KB |
Output is correct |
| 98 |
Correct |
68 ms |
13500 KB |
Output is correct |
| 99 |
Correct |
75 ms |
13272 KB |
Output is correct |
| 100 |
Correct |
71 ms |
16468 KB |
Output is correct |
| 101 |
Correct |
69 ms |
14384 KB |
Output is correct |
| 102 |
Correct |
113 ms |
13696 KB |
Output is correct |
| 103 |
Correct |
87 ms |
13436 KB |
Output is correct |
| 104 |
Correct |
44 ms |
13528 KB |
Output is correct |
| 105 |
Correct |
79 ms |
22360 KB |
Output is correct |
| 106 |
Correct |
43 ms |
13600 KB |
Output is correct |
| 107 |
Correct |
44 ms |
13624 KB |
Output is correct |
| 108 |
Correct |
110 ms |
26352 KB |
Output is correct |
| 109 |
Correct |
52 ms |
13500 KB |
Output is correct |
| 110 |
Correct |
100 ms |
26572 KB |
Output is correct |
| 111 |
Correct |
86 ms |
12800 KB |
Output is correct |
