| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 951807 |
2024-03-22T16:54:14 Z |
dio_2 |
Power Plant (JOI20_power) |
C++17 |
|
91 ms |
28708 KB |
#include<bits/stdc++.h>
using namespace std;
const int nax = (int)2e5 + 10;
bool isGen[nax];
vector<int> g[nax];
int ans;
int dp[nax];
void dfs(int u, int par){
if(isGen[u]){
int best = 0;
for(int v : g[u]) if(v != par){
dfs(v, u);
dp[u] += dp[v];
best = max(best, dp[v] + 1); // use the Generator on v.
}
ans = max(ans, best);
dp[u]--; // because i have generator and it will break
dp[u] = max(dp[u], 1); // it will break only if i have > 2.
} else {
for(int v : g[u]) if(v != par){
dfs(v, u);
dp[u] += dp[v];
}
}
ans = max(ans, dp[u]);
}
int main(){
ios::sync_with_stdio(false);
cin.tie(nullptr);
int n;
cin >> n;
for(int i = 1;i < n;i++){
int a, b;
cin >> a >> b;
g[a].push_back(b);
g[b].push_back(a);
}
for(int i = 1;i <= n;i++){
char c; cin >> c;
if(c == '1') isGen[i] = 1;
}
dfs(1, -1);
cout << ans << '\n';
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
5720 KB |
Output is correct |
| 2 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 3 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 4 |
Correct |
2 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 |
1 ms |
5724 KB |
Output is correct |
| 10 |
Correct |
2 ms |
5720 KB |
Output is correct |
| 11 |
Correct |
2 ms |
5720 KB |
Output is correct |
| 12 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 13 |
Correct |
2 ms |
5720 KB |
Output is correct |
| 14 |
Correct |
1 ms |
5724 KB |
Output is correct |
| 15 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 16 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 17 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 18 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 19 |
Correct |
1 ms |
5724 KB |
Output is correct |
| 20 |
Correct |
2 ms |
5756 KB |
Output is correct |
| 21 |
Correct |
2 ms |
5724 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
5720 KB |
Output is correct |
| 2 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 3 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 4 |
Correct |
2 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 |
1 ms |
5724 KB |
Output is correct |
| 10 |
Correct |
2 ms |
5720 KB |
Output is correct |
| 11 |
Correct |
2 ms |
5720 KB |
Output is correct |
| 12 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 13 |
Correct |
2 ms |
5720 KB |
Output is correct |
| 14 |
Correct |
1 ms |
5724 KB |
Output is correct |
| 15 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 16 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 17 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 18 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 19 |
Correct |
1 ms |
5724 KB |
Output is correct |
| 20 |
Correct |
2 ms |
5756 KB |
Output is correct |
| 21 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 22 |
Correct |
2 ms |
5720 KB |
Output is correct |
| 23 |
Correct |
2 ms |
5720 KB |
Output is correct |
| 24 |
Correct |
2 ms |
5720 KB |
Output is correct |
| 25 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 26 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 27 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 28 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 29 |
Correct |
3 ms |
5724 KB |
Output is correct |
| 30 |
Correct |
2 ms |
5812 KB |
Output is correct |
| 31 |
Correct |
2 ms |
5720 KB |
Output is correct |
| 32 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 33 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 34 |
Correct |
2 ms |
5720 KB |
Output is correct |
| 35 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 36 |
Correct |
2 ms |
5840 KB |
Output is correct |
| 37 |
Correct |
2 ms |
5848 KB |
Output is correct |
| 38 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 39 |
Correct |
2 ms |
5720 KB |
Output is correct |
| 40 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 41 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 42 |
Correct |
2 ms |
5880 KB |
Output is correct |
| 43 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 44 |
Correct |
2 ms |
5720 KB |
Output is correct |
| 45 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 46 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 47 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 48 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 49 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 50 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 51 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 52 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 53 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 54 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 55 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 56 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 57 |
Correct |
2 ms |
5980 KB |
Output is correct |
| 58 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 59 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 60 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 61 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 62 |
Correct |
2 ms |
5768 KB |
Output is correct |
| 63 |
Correct |
2 ms |
5724 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
5720 KB |
Output is correct |
| 2 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 3 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 4 |
Correct |
2 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 |
1 ms |
5724 KB |
Output is correct |
| 10 |
Correct |
2 ms |
5720 KB |
Output is correct |
| 11 |
Correct |
2 ms |
5720 KB |
Output is correct |
| 12 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 13 |
Correct |
2 ms |
5720 KB |
Output is correct |
| 14 |
Correct |
1 ms |
5724 KB |
Output is correct |
| 15 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 16 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 17 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 18 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 19 |
Correct |
1 ms |
5724 KB |
Output is correct |
| 20 |
Correct |
2 ms |
5756 KB |
Output is correct |
| 21 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 22 |
Correct |
2 ms |
5720 KB |
Output is correct |
| 23 |
Correct |
2 ms |
5720 KB |
Output is correct |
| 24 |
Correct |
2 ms |
5720 KB |
Output is correct |
| 25 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 26 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 27 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 28 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 29 |
Correct |
3 ms |
5724 KB |
Output is correct |
| 30 |
Correct |
2 ms |
5812 KB |
Output is correct |
| 31 |
Correct |
2 ms |
5720 KB |
Output is correct |
| 32 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 33 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 34 |
Correct |
2 ms |
5720 KB |
Output is correct |
| 35 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 36 |
Correct |
2 ms |
5840 KB |
Output is correct |
| 37 |
Correct |
2 ms |
5848 KB |
Output is correct |
| 38 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 39 |
Correct |
2 ms |
5720 KB |
Output is correct |
| 40 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 41 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 42 |
Correct |
2 ms |
5880 KB |
Output is correct |
| 43 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 44 |
Correct |
2 ms |
5720 KB |
Output is correct |
| 45 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 46 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 47 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 48 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 49 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 50 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 51 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 52 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 53 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 54 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 55 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 56 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 57 |
Correct |
2 ms |
5980 KB |
Output is correct |
| 58 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 59 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 60 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 61 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 62 |
Correct |
2 ms |
5768 KB |
Output is correct |
| 63 |
Correct |
2 ms |
5724 KB |
Output is correct |
| 64 |
Correct |
84 ms |
15444 KB |
Output is correct |
| 65 |
Correct |
67 ms |
15188 KB |
Output is correct |
| 66 |
Correct |
65 ms |
15188 KB |
Output is correct |
| 67 |
Correct |
62 ms |
15092 KB |
Output is correct |
| 68 |
Correct |
65 ms |
15184 KB |
Output is correct |
| 69 |
Correct |
65 ms |
14980 KB |
Output is correct |
| 70 |
Correct |
59 ms |
15204 KB |
Output is correct |
| 71 |
Correct |
70 ms |
15096 KB |
Output is correct |
| 72 |
Correct |
60 ms |
14928 KB |
Output is correct |
| 73 |
Correct |
91 ms |
27724 KB |
Output is correct |
| 74 |
Correct |
82 ms |
27732 KB |
Output is correct |
| 75 |
Correct |
57 ms |
15024 KB |
Output is correct |
| 76 |
Correct |
67 ms |
14932 KB |
Output is correct |
| 77 |
Correct |
63 ms |
14904 KB |
Output is correct |
| 78 |
Correct |
63 ms |
15092 KB |
Output is correct |
| 79 |
Correct |
58 ms |
14888 KB |
Output is correct |
| 80 |
Correct |
59 ms |
14940 KB |
Output is correct |
| 81 |
Correct |
58 ms |
15320 KB |
Output is correct |
| 82 |
Correct |
61 ms |
15312 KB |
Output is correct |
| 83 |
Correct |
71 ms |
20304 KB |
Output is correct |
| 84 |
Correct |
88 ms |
22500 KB |
Output is correct |
| 85 |
Correct |
86 ms |
21996 KB |
Output is correct |
| 86 |
Correct |
64 ms |
16468 KB |
Output is correct |
| 87 |
Correct |
62 ms |
15952 KB |
Output is correct |
| 88 |
Correct |
60 ms |
16212 KB |
Output is correct |
| 89 |
Correct |
77 ms |
16288 KB |
Output is correct |
| 90 |
Correct |
67 ms |
16208 KB |
Output is correct |
| 91 |
Correct |
68 ms |
16384 KB |
Output is correct |
| 92 |
Correct |
62 ms |
16720 KB |
Output is correct |
| 93 |
Correct |
60 ms |
18932 KB |
Output is correct |
| 94 |
Correct |
61 ms |
20676 KB |
Output is correct |
| 95 |
Correct |
63 ms |
19524 KB |
Output is correct |
| 96 |
Correct |
58 ms |
17672 KB |
Output is correct |
| 97 |
Correct |
54 ms |
16208 KB |
Output is correct |
| 98 |
Correct |
56 ms |
15700 KB |
Output is correct |
| 99 |
Correct |
73 ms |
15952 KB |
Output is correct |
| 100 |
Correct |
60 ms |
18512 KB |
Output is correct |
| 101 |
Correct |
71 ms |
16692 KB |
Output is correct |
| 102 |
Correct |
55 ms |
15884 KB |
Output is correct |
| 103 |
Correct |
56 ms |
15696 KB |
Output is correct |
| 104 |
Correct |
43 ms |
15568 KB |
Output is correct |
| 105 |
Correct |
75 ms |
24404 KB |
Output is correct |
| 106 |
Correct |
41 ms |
15560 KB |
Output is correct |
| 107 |
Correct |
42 ms |
15556 KB |
Output is correct |
| 108 |
Correct |
79 ms |
28240 KB |
Output is correct |
| 109 |
Correct |
48 ms |
15608 KB |
Output is correct |
| 110 |
Correct |
79 ms |
28708 KB |
Output is correct |
| 111 |
Correct |
54 ms |
14928 KB |
Output is correct |
