| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 631895 |
2022-08-19T05:20:32 Z |
radal |
Power Plant (JOI20_power) |
C++17 |
|
165 ms |
29576 KB |
#include <bits/stdc++.h>
#define rep(i,l,r) for (int i = l; i < r; i++)
#define pb push_back
using namespace std;
constexpr int N = 2e5+10;
int dp[N][2],n;
vector<int> adj[N];
string s;
void dfs(int v,int p){
for (int u : adj[v]){
if (u != p){
dfs(u,v);
}
}
if (s[v-1] == '0'){
int su = 0;
for (int u : adj[v]){
if (u == p) continue;
su += dp[u][1];
dp[v][0] = max(dp[v][0],dp[u][0]);
}
dp[v][0] = max(dp[v][0],su);
dp[v][1] = su;
return;
}
dp[v][0] = dp[v][1] = 1;
int su = 0;
for (int u : adj[v]){
if (u == p) continue;
dp[v][0] = max({dp[v][0],dp[u][0],1+dp[u][1]});
su += dp[u][1];
}
dp[v][0] = max(dp[v][0],su-1);
dp[v][1] = max(dp[v][1],su-1);
}
int main(){
ios_base :: sync_with_stdio(0); cin.tie(0);
cin >> n;
rep(i,1,n){
int u,v;
cin >> u >> v;
adj[u].pb(v);
adj[v].pb(u);
}
cin >> s;
dfs(1,0);
cout << dp[1][0];
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
5028 KB |
Output is correct |
| 2 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 3 |
Correct |
4 ms |
4948 KB |
Output is correct |
| 4 |
Correct |
5 ms |
5028 KB |
Output is correct |
| 5 |
Correct |
3 ms |
5028 KB |
Output is correct |
| 6 |
Correct |
4 ms |
4992 KB |
Output is correct |
| 7 |
Correct |
5 ms |
4948 KB |
Output is correct |
| 8 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 9 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 10 |
Correct |
4 ms |
4948 KB |
Output is correct |
| 11 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 12 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 13 |
Correct |
4 ms |
5028 KB |
Output is correct |
| 14 |
Correct |
3 ms |
5032 KB |
Output is correct |
| 15 |
Correct |
3 ms |
5024 KB |
Output is correct |
| 16 |
Correct |
3 ms |
5024 KB |
Output is correct |
| 17 |
Correct |
3 ms |
5028 KB |
Output is correct |
| 18 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 19 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 20 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 21 |
Correct |
4 ms |
4948 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
5028 KB |
Output is correct |
| 2 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 3 |
Correct |
4 ms |
4948 KB |
Output is correct |
| 4 |
Correct |
5 ms |
5028 KB |
Output is correct |
| 5 |
Correct |
3 ms |
5028 KB |
Output is correct |
| 6 |
Correct |
4 ms |
4992 KB |
Output is correct |
| 7 |
Correct |
5 ms |
4948 KB |
Output is correct |
| 8 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 9 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 10 |
Correct |
4 ms |
4948 KB |
Output is correct |
| 11 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 12 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 13 |
Correct |
4 ms |
5028 KB |
Output is correct |
| 14 |
Correct |
3 ms |
5032 KB |
Output is correct |
| 15 |
Correct |
3 ms |
5024 KB |
Output is correct |
| 16 |
Correct |
3 ms |
5024 KB |
Output is correct |
| 17 |
Correct |
3 ms |
5028 KB |
Output is correct |
| 18 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 19 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 20 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 21 |
Correct |
4 ms |
4948 KB |
Output is correct |
| 22 |
Correct |
5 ms |
5040 KB |
Output is correct |
| 23 |
Correct |
4 ms |
5036 KB |
Output is correct |
| 24 |
Correct |
5 ms |
5076 KB |
Output is correct |
| 25 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 26 |
Correct |
5 ms |
5012 KB |
Output is correct |
| 27 |
Correct |
4 ms |
5040 KB |
Output is correct |
| 28 |
Correct |
4 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 |
4 ms |
5084 KB |
Output is correct |
| 32 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 33 |
Correct |
5 ms |
5076 KB |
Output is correct |
| 34 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 35 |
Correct |
4 ms |
5040 KB |
Output is correct |
| 36 |
Correct |
4 ms |
5020 KB |
Output is correct |
| 37 |
Correct |
4 ms |
5284 KB |
Output is correct |
| 38 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 39 |
Correct |
5 ms |
5168 KB |
Output is correct |
| 40 |
Correct |
5 ms |
5076 KB |
Output is correct |
| 41 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 42 |
Correct |
3 ms |
5040 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 |
5092 KB |
Output is correct |
| 47 |
Correct |
4 ms |
5084 KB |
Output is correct |
| 48 |
Correct |
4 ms |
5204 KB |
Output is correct |
| 49 |
Correct |
5 ms |
5084 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 |
4 ms |
5044 KB |
Output is correct |
| 54 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 55 |
Correct |
3 ms |
5044 KB |
Output is correct |
| 56 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 57 |
Correct |
4 ms |
5168 KB |
Output is correct |
| 58 |
Correct |
4 ms |
5040 KB |
Output is correct |
| 59 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 60 |
Correct |
3 ms |
5204 KB |
Output is correct |
| 61 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 62 |
Correct |
3 ms |
5204 KB |
Output is correct |
| 63 |
Correct |
4 ms |
5076 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
5028 KB |
Output is correct |
| 2 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 3 |
Correct |
4 ms |
4948 KB |
Output is correct |
| 4 |
Correct |
5 ms |
5028 KB |
Output is correct |
| 5 |
Correct |
3 ms |
5028 KB |
Output is correct |
| 6 |
Correct |
4 ms |
4992 KB |
Output is correct |
| 7 |
Correct |
5 ms |
4948 KB |
Output is correct |
| 8 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 9 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 10 |
Correct |
4 ms |
4948 KB |
Output is correct |
| 11 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 12 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 13 |
Correct |
4 ms |
5028 KB |
Output is correct |
| 14 |
Correct |
3 ms |
5032 KB |
Output is correct |
| 15 |
Correct |
3 ms |
5024 KB |
Output is correct |
| 16 |
Correct |
3 ms |
5024 KB |
Output is correct |
| 17 |
Correct |
3 ms |
5028 KB |
Output is correct |
| 18 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 19 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 20 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 21 |
Correct |
4 ms |
4948 KB |
Output is correct |
| 22 |
Correct |
5 ms |
5040 KB |
Output is correct |
| 23 |
Correct |
4 ms |
5036 KB |
Output is correct |
| 24 |
Correct |
5 ms |
5076 KB |
Output is correct |
| 25 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 26 |
Correct |
5 ms |
5012 KB |
Output is correct |
| 27 |
Correct |
4 ms |
5040 KB |
Output is correct |
| 28 |
Correct |
4 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 |
4 ms |
5084 KB |
Output is correct |
| 32 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 33 |
Correct |
5 ms |
5076 KB |
Output is correct |
| 34 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 35 |
Correct |
4 ms |
5040 KB |
Output is correct |
| 36 |
Correct |
4 ms |
5020 KB |
Output is correct |
| 37 |
Correct |
4 ms |
5284 KB |
Output is correct |
| 38 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 39 |
Correct |
5 ms |
5168 KB |
Output is correct |
| 40 |
Correct |
5 ms |
5076 KB |
Output is correct |
| 41 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 42 |
Correct |
3 ms |
5040 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 |
5092 KB |
Output is correct |
| 47 |
Correct |
4 ms |
5084 KB |
Output is correct |
| 48 |
Correct |
4 ms |
5204 KB |
Output is correct |
| 49 |
Correct |
5 ms |
5084 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 |
4 ms |
5044 KB |
Output is correct |
| 54 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 55 |
Correct |
3 ms |
5044 KB |
Output is correct |
| 56 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 57 |
Correct |
4 ms |
5168 KB |
Output is correct |
| 58 |
Correct |
4 ms |
5040 KB |
Output is correct |
| 59 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 60 |
Correct |
3 ms |
5204 KB |
Output is correct |
| 61 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 62 |
Correct |
3 ms |
5204 KB |
Output is correct |
| 63 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 64 |
Correct |
152 ms |
15884 KB |
Output is correct |
| 65 |
Correct |
164 ms |
15864 KB |
Output is correct |
| 66 |
Correct |
146 ms |
15880 KB |
Output is correct |
| 67 |
Correct |
119 ms |
15944 KB |
Output is correct |
| 68 |
Correct |
124 ms |
15904 KB |
Output is correct |
| 69 |
Correct |
116 ms |
15984 KB |
Output is correct |
| 70 |
Correct |
157 ms |
15876 KB |
Output is correct |
| 71 |
Correct |
126 ms |
15948 KB |
Output is correct |
| 72 |
Correct |
138 ms |
15988 KB |
Output is correct |
| 73 |
Correct |
141 ms |
28532 KB |
Output is correct |
| 74 |
Correct |
153 ms |
28444 KB |
Output is correct |
| 75 |
Correct |
115 ms |
15852 KB |
Output is correct |
| 76 |
Correct |
154 ms |
15960 KB |
Output is correct |
| 77 |
Correct |
119 ms |
15816 KB |
Output is correct |
| 78 |
Correct |
110 ms |
15756 KB |
Output is correct |
| 79 |
Correct |
126 ms |
15876 KB |
Output is correct |
| 80 |
Correct |
138 ms |
15820 KB |
Output is correct |
| 81 |
Correct |
98 ms |
16268 KB |
Output is correct |
| 82 |
Correct |
130 ms |
16076 KB |
Output is correct |
| 83 |
Correct |
165 ms |
21076 KB |
Output is correct |
| 84 |
Correct |
155 ms |
23204 KB |
Output is correct |
| 85 |
Correct |
118 ms |
22860 KB |
Output is correct |
| 86 |
Correct |
129 ms |
17308 KB |
Output is correct |
| 87 |
Correct |
140 ms |
16688 KB |
Output is correct |
| 88 |
Correct |
125 ms |
17140 KB |
Output is correct |
| 89 |
Correct |
136 ms |
17204 KB |
Output is correct |
| 90 |
Correct |
110 ms |
16960 KB |
Output is correct |
| 91 |
Correct |
118 ms |
17252 KB |
Output is correct |
| 92 |
Correct |
119 ms |
17472 KB |
Output is correct |
| 93 |
Correct |
110 ms |
19844 KB |
Output is correct |
| 94 |
Correct |
151 ms |
21672 KB |
Output is correct |
| 95 |
Correct |
132 ms |
20272 KB |
Output is correct |
| 96 |
Correct |
121 ms |
18516 KB |
Output is correct |
| 97 |
Correct |
117 ms |
17020 KB |
Output is correct |
| 98 |
Correct |
101 ms |
16536 KB |
Output is correct |
| 99 |
Correct |
126 ms |
16220 KB |
Output is correct |
| 100 |
Correct |
120 ms |
19448 KB |
Output is correct |
| 101 |
Correct |
123 ms |
17380 KB |
Output is correct |
| 102 |
Correct |
124 ms |
16660 KB |
Output is correct |
| 103 |
Correct |
137 ms |
16500 KB |
Output is correct |
| 104 |
Correct |
83 ms |
16780 KB |
Output is correct |
| 105 |
Correct |
146 ms |
25400 KB |
Output is correct |
| 106 |
Correct |
69 ms |
16688 KB |
Output is correct |
| 107 |
Correct |
68 ms |
16640 KB |
Output is correct |
| 108 |
Correct |
137 ms |
29324 KB |
Output is correct |
| 109 |
Correct |
71 ms |
16752 KB |
Output is correct |
| 110 |
Correct |
143 ms |
29576 KB |
Output is correct |
| 111 |
Correct |
103 ms |
15816 KB |
Output is correct |
