| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 793160 |
2023-07-25T14:40:26 Z |
anton |
Power Plant (JOI20_power) |
C++17 |
|
196 ms |
33940 KB |
#include<bits/stdc++.h>
using namespace std;
#define int long long
const int MAX_N = 2*1e5;
int n, dp[MAX_N][2];
string s;
vector<int> adj[MAX_N];
void find_dp(int id, int anc){
dp[id][0]= 0;
dp[id][1] = 0;
bool gen = s[id] == '1';
int s1=0;
int best1= 0;
int best0= 0;
for(auto e: adj[id]){
if(e!=anc){
find_dp(e, id);
s1 += dp[e][1];
best1 = max(best1, dp[e][1]);
best0 = max(best0, dp[e][0]);
}
}
if(!gen){
dp[id][0] = max(max(s1, best0), 0LL);
dp[id][1] = max(s1, 0LL);
}
else{
dp[id][0] = max(s1-1, max(best1+1, best0));
dp[id][1] = max(s1-1, 1LL);
}
//cout<<id<<" "<<dp[id][0]<<" "<<dp[id][1]<<endl;
}
signed main(){
cin>>n;
for(int i = 0; i<n-1; i++){
int a, b;
cin>>a>>b;
a--;b--;
adj[a].push_back(b);
adj[b].push_back(a);
}
cin>>s;
find_dp(0, -1);
cout<<dp[0][0]<<endl;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
5008 KB |
Output is correct |
| 2 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 3 |
Correct |
2 ms |
5012 KB |
Output is correct |
| 4 |
Correct |
2 ms |
5004 KB |
Output is correct |
| 5 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 6 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 7 |
Correct |
3 ms |
5004 KB |
Output is correct |
| 8 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 9 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 10 |
Correct |
3 ms |
5008 KB |
Output is correct |
| 11 |
Correct |
3 ms |
5012 KB |
Output is correct |
| 12 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 13 |
Correct |
2 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 |
3 ms |
5008 KB |
Output is correct |
| 19 |
Correct |
3 ms |
4920 KB |
Output is correct |
| 20 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 21 |
Correct |
2 ms |
5004 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
5008 KB |
Output is correct |
| 2 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 3 |
Correct |
2 ms |
5012 KB |
Output is correct |
| 4 |
Correct |
2 ms |
5004 KB |
Output is correct |
| 5 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 6 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 7 |
Correct |
3 ms |
5004 KB |
Output is correct |
| 8 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 9 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 10 |
Correct |
3 ms |
5008 KB |
Output is correct |
| 11 |
Correct |
3 ms |
5012 KB |
Output is correct |
| 12 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 13 |
Correct |
2 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 |
3 ms |
5008 KB |
Output is correct |
| 19 |
Correct |
3 ms |
4920 KB |
Output is correct |
| 20 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 21 |
Correct |
2 ms |
5004 KB |
Output is correct |
| 22 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 23 |
Correct |
3 ms |
5084 KB |
Output is correct |
| 24 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 25 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 26 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 27 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 28 |
Correct |
4 ms |
5028 KB |
Output is correct |
| 29 |
Correct |
4 ms |
5204 KB |
Output is correct |
| 30 |
Correct |
4 ms |
5148 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 |
5 ms |
5016 KB |
Output is correct |
| 38 |
Correct |
3 ms |
5016 KB |
Output is correct |
| 39 |
Correct |
3 ms |
5152 KB |
Output is correct |
| 40 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 41 |
Correct |
3 ms |
5144 KB |
Output is correct |
| 42 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 43 |
Correct |
3 ms |
5144 KB |
Output is correct |
| 44 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 45 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 46 |
Correct |
3 ms |
5140 KB |
Output is correct |
| 47 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 48 |
Correct |
3 ms |
5204 KB |
Output is correct |
| 49 |
Correct |
3 ms |
5204 KB |
Output is correct |
| 50 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 51 |
Correct |
4 ms |
5064 KB |
Output is correct |
| 52 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 53 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 54 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 55 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 56 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 57 |
Correct |
3 ms |
5204 KB |
Output is correct |
| 58 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 59 |
Correct |
3 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 |
3 ms |
5076 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
5008 KB |
Output is correct |
| 2 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 3 |
Correct |
2 ms |
5012 KB |
Output is correct |
| 4 |
Correct |
2 ms |
5004 KB |
Output is correct |
| 5 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 6 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 7 |
Correct |
3 ms |
5004 KB |
Output is correct |
| 8 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 9 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 10 |
Correct |
3 ms |
5008 KB |
Output is correct |
| 11 |
Correct |
3 ms |
5012 KB |
Output is correct |
| 12 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 13 |
Correct |
2 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 |
3 ms |
5008 KB |
Output is correct |
| 19 |
Correct |
3 ms |
4920 KB |
Output is correct |
| 20 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 21 |
Correct |
2 ms |
5004 KB |
Output is correct |
| 22 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 23 |
Correct |
3 ms |
5084 KB |
Output is correct |
| 24 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 25 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 26 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 27 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 28 |
Correct |
4 ms |
5028 KB |
Output is correct |
| 29 |
Correct |
4 ms |
5204 KB |
Output is correct |
| 30 |
Correct |
4 ms |
5148 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 |
5 ms |
5016 KB |
Output is correct |
| 38 |
Correct |
3 ms |
5016 KB |
Output is correct |
| 39 |
Correct |
3 ms |
5152 KB |
Output is correct |
| 40 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 41 |
Correct |
3 ms |
5144 KB |
Output is correct |
| 42 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 43 |
Correct |
3 ms |
5144 KB |
Output is correct |
| 44 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 45 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 46 |
Correct |
3 ms |
5140 KB |
Output is correct |
| 47 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 48 |
Correct |
3 ms |
5204 KB |
Output is correct |
| 49 |
Correct |
3 ms |
5204 KB |
Output is correct |
| 50 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 51 |
Correct |
4 ms |
5064 KB |
Output is correct |
| 52 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 53 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 54 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 55 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 56 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 57 |
Correct |
3 ms |
5204 KB |
Output is correct |
| 58 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 59 |
Correct |
3 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 |
3 ms |
5076 KB |
Output is correct |
| 64 |
Correct |
138 ms |
18432 KB |
Output is correct |
| 65 |
Correct |
140 ms |
18468 KB |
Output is correct |
| 66 |
Correct |
144 ms |
18528 KB |
Output is correct |
| 67 |
Correct |
133 ms |
18524 KB |
Output is correct |
| 68 |
Correct |
150 ms |
18424 KB |
Output is correct |
| 69 |
Correct |
134 ms |
18504 KB |
Output is correct |
| 70 |
Correct |
135 ms |
18436 KB |
Output is correct |
| 71 |
Correct |
155 ms |
18464 KB |
Output is correct |
| 72 |
Correct |
134 ms |
18492 KB |
Output is correct |
| 73 |
Correct |
155 ms |
32632 KB |
Output is correct |
| 74 |
Correct |
196 ms |
32600 KB |
Output is correct |
| 75 |
Correct |
148 ms |
19812 KB |
Output is correct |
| 76 |
Correct |
139 ms |
19672 KB |
Output is correct |
| 77 |
Correct |
155 ms |
18496 KB |
Output is correct |
| 78 |
Correct |
142 ms |
18440 KB |
Output is correct |
| 79 |
Correct |
152 ms |
18572 KB |
Output is correct |
| 80 |
Correct |
156 ms |
18452 KB |
Output is correct |
| 81 |
Correct |
136 ms |
18532 KB |
Output is correct |
| 82 |
Correct |
132 ms |
18496 KB |
Output is correct |
| 83 |
Correct |
156 ms |
24648 KB |
Output is correct |
| 84 |
Correct |
150 ms |
27160 KB |
Output is correct |
| 85 |
Correct |
143 ms |
26784 KB |
Output is correct |
| 86 |
Correct |
175 ms |
20092 KB |
Output is correct |
| 87 |
Correct |
153 ms |
19420 KB |
Output is correct |
| 88 |
Correct |
135 ms |
19492 KB |
Output is correct |
| 89 |
Correct |
146 ms |
19484 KB |
Output is correct |
| 90 |
Correct |
133 ms |
19208 KB |
Output is correct |
| 91 |
Correct |
135 ms |
19496 KB |
Output is correct |
| 92 |
Correct |
157 ms |
19904 KB |
Output is correct |
| 93 |
Correct |
142 ms |
22744 KB |
Output is correct |
| 94 |
Correct |
134 ms |
24688 KB |
Output is correct |
| 95 |
Correct |
136 ms |
23232 KB |
Output is correct |
| 96 |
Correct |
132 ms |
20912 KB |
Output is correct |
| 97 |
Correct |
132 ms |
19236 KB |
Output is correct |
| 98 |
Correct |
127 ms |
18656 KB |
Output is correct |
| 99 |
Correct |
162 ms |
18524 KB |
Output is correct |
| 100 |
Correct |
181 ms |
22136 KB |
Output is correct |
| 101 |
Correct |
134 ms |
19648 KB |
Output is correct |
| 102 |
Correct |
132 ms |
18872 KB |
Output is correct |
| 103 |
Correct |
171 ms |
18820 KB |
Output is correct |
| 104 |
Correct |
130 ms |
19104 KB |
Output is correct |
| 105 |
Correct |
154 ms |
28872 KB |
Output is correct |
| 106 |
Correct |
113 ms |
19000 KB |
Output is correct |
| 107 |
Correct |
142 ms |
18928 KB |
Output is correct |
| 108 |
Correct |
151 ms |
33492 KB |
Output is correct |
| 109 |
Correct |
125 ms |
19164 KB |
Output is correct |
| 110 |
Correct |
160 ms |
33940 KB |
Output is correct |
| 111 |
Correct |
130 ms |
18468 KB |
Output is correct |
