| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 696472 |
2023-02-06T15:10:21 Z |
dsyz |
Power Plant (JOI20_power) |
C++17 |
|
171 ms |
29876 KB |
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define MAXN (200005)
vector<ll> v[MAXN];
bool generator[MAXN];
ll dp[MAXN];
ll ans = 0;
void dfs(ll x,ll p){
ll maximum = 0;
ll sum = 0;
for(auto u : v[x]){
if(u != p){
dfs(u,x);
maximum = max(maximum,dp[u]);
sum += dp[u];
}
}
if(generator[x]){
dp[x] = max(1ll,sum - generator[x]);
}else{
dp[x] = sum - generator[x];
}
ans = max(ans,dp[x]);
ans = max(ans,maximum + generator[x]);
}
int main(){
ios_base::sync_with_stdio(false);cin.tie(0);
ll N;
cin>>N;
for(ll i = 0;i < N - 1;i++){
ll a,b;
cin>>a>>b;
a--;
b--;
v[a].push_back(b);
v[b].push_back(a);
}
string s;
cin>>s;
for(ll i = 0;i < N;i++){
if(s[i] == '0') generator[i] = 0;
else generator[i] = 1;
}
dfs(0,-1);
cout<<ans<<'\n';
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 2 |
Correct |
3 ms |
5036 KB |
Output is correct |
| 3 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 4 |
Correct |
3 ms |
5036 KB |
Output is correct |
| 5 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 6 |
Correct |
2 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 |
3 ms |
4948 KB |
Output is correct |
| 10 |
Correct |
3 ms |
5040 KB |
Output is correct |
| 11 |
Correct |
3 ms |
5040 KB |
Output is correct |
| 12 |
Correct |
3 ms |
5036 KB |
Output is correct |
| 13 |
Correct |
4 ms |
4948 KB |
Output is correct |
| 14 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 15 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 16 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 17 |
Correct |
2 ms |
5032 KB |
Output is correct |
| 18 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 19 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 20 |
Correct |
3 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 |
3 ms |
5036 KB |
Output is correct |
| 3 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 4 |
Correct |
3 ms |
5036 KB |
Output is correct |
| 5 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 6 |
Correct |
2 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 |
3 ms |
4948 KB |
Output is correct |
| 10 |
Correct |
3 ms |
5040 KB |
Output is correct |
| 11 |
Correct |
3 ms |
5040 KB |
Output is correct |
| 12 |
Correct |
3 ms |
5036 KB |
Output is correct |
| 13 |
Correct |
4 ms |
4948 KB |
Output is correct |
| 14 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 15 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 16 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 17 |
Correct |
2 ms |
5032 KB |
Output is correct |
| 18 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 19 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 20 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 21 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 22 |
Correct |
4 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 |
3 ms |
5076 KB |
Output is correct |
| 27 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 28 |
Correct |
3 ms |
5044 KB |
Output is correct |
| 29 |
Correct |
3 ms |
5176 KB |
Output is correct |
| 30 |
Correct |
3 ms |
5176 KB |
Output is correct |
| 31 |
Correct |
3 ms |
5116 KB |
Output is correct |
| 32 |
Correct |
3 ms |
5048 KB |
Output is correct |
| 33 |
Correct |
4 ms |
5048 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 |
5048 KB |
Output is correct |
| 37 |
Correct |
4 ms |
5204 KB |
Output is correct |
| 38 |
Correct |
3 ms |
5048 KB |
Output is correct |
| 39 |
Correct |
3 ms |
5180 KB |
Output is correct |
| 40 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 41 |
Correct |
4 ms |
5204 KB |
Output is correct |
| 42 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 43 |
Correct |
4 ms |
5076 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 |
5076 KB |
Output is correct |
| 47 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 48 |
Correct |
4 ms |
5204 KB |
Output is correct |
| 49 |
Correct |
4 ms |
5204 KB |
Output is correct |
| 50 |
Correct |
3 ms |
5176 KB |
Output is correct |
| 51 |
Correct |
3 ms |
5176 KB |
Output is correct |
| 52 |
Correct |
3 ms |
5048 KB |
Output is correct |
| 53 |
Correct |
3 ms |
5096 KB |
Output is correct |
| 54 |
Correct |
5 ms |
5076 KB |
Output is correct |
| 55 |
Correct |
3 ms |
5100 KB |
Output is correct |
| 56 |
Correct |
4 ms |
5044 KB |
Output is correct |
| 57 |
Correct |
3 ms |
5172 KB |
Output is correct |
| 58 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 59 |
Correct |
3 ms |
5052 KB |
Output is correct |
| 60 |
Correct |
3 ms |
5172 KB |
Output is correct |
| 61 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 62 |
Correct |
3 ms |
5172 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 |
3 ms |
5036 KB |
Output is correct |
| 3 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 4 |
Correct |
3 ms |
5036 KB |
Output is correct |
| 5 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 6 |
Correct |
2 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 |
3 ms |
4948 KB |
Output is correct |
| 10 |
Correct |
3 ms |
5040 KB |
Output is correct |
| 11 |
Correct |
3 ms |
5040 KB |
Output is correct |
| 12 |
Correct |
3 ms |
5036 KB |
Output is correct |
| 13 |
Correct |
4 ms |
4948 KB |
Output is correct |
| 14 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 15 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 16 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 17 |
Correct |
2 ms |
5032 KB |
Output is correct |
| 18 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 19 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 20 |
Correct |
3 ms |
4948 KB |
Output is correct |
| 21 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 22 |
Correct |
4 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 |
3 ms |
5076 KB |
Output is correct |
| 27 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 28 |
Correct |
3 ms |
5044 KB |
Output is correct |
| 29 |
Correct |
3 ms |
5176 KB |
Output is correct |
| 30 |
Correct |
3 ms |
5176 KB |
Output is correct |
| 31 |
Correct |
3 ms |
5116 KB |
Output is correct |
| 32 |
Correct |
3 ms |
5048 KB |
Output is correct |
| 33 |
Correct |
4 ms |
5048 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 |
5048 KB |
Output is correct |
| 37 |
Correct |
4 ms |
5204 KB |
Output is correct |
| 38 |
Correct |
3 ms |
5048 KB |
Output is correct |
| 39 |
Correct |
3 ms |
5180 KB |
Output is correct |
| 40 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 41 |
Correct |
4 ms |
5204 KB |
Output is correct |
| 42 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 43 |
Correct |
4 ms |
5076 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 |
5076 KB |
Output is correct |
| 47 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 48 |
Correct |
4 ms |
5204 KB |
Output is correct |
| 49 |
Correct |
4 ms |
5204 KB |
Output is correct |
| 50 |
Correct |
3 ms |
5176 KB |
Output is correct |
| 51 |
Correct |
3 ms |
5176 KB |
Output is correct |
| 52 |
Correct |
3 ms |
5048 KB |
Output is correct |
| 53 |
Correct |
3 ms |
5096 KB |
Output is correct |
| 54 |
Correct |
5 ms |
5076 KB |
Output is correct |
| 55 |
Correct |
3 ms |
5100 KB |
Output is correct |
| 56 |
Correct |
4 ms |
5044 KB |
Output is correct |
| 57 |
Correct |
3 ms |
5172 KB |
Output is correct |
| 58 |
Correct |
4 ms |
5076 KB |
Output is correct |
| 59 |
Correct |
3 ms |
5052 KB |
Output is correct |
| 60 |
Correct |
3 ms |
5172 KB |
Output is correct |
| 61 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 62 |
Correct |
3 ms |
5172 KB |
Output is correct |
| 63 |
Correct |
3 ms |
5076 KB |
Output is correct |
| 64 |
Correct |
115 ms |
17168 KB |
Output is correct |
| 65 |
Correct |
134 ms |
17140 KB |
Output is correct |
| 66 |
Correct |
148 ms |
17148 KB |
Output is correct |
| 67 |
Correct |
117 ms |
17044 KB |
Output is correct |
| 68 |
Correct |
129 ms |
17064 KB |
Output is correct |
| 69 |
Correct |
115 ms |
17160 KB |
Output is correct |
| 70 |
Correct |
125 ms |
17092 KB |
Output is correct |
| 71 |
Correct |
111 ms |
17140 KB |
Output is correct |
| 72 |
Correct |
116 ms |
17132 KB |
Output is correct |
| 73 |
Correct |
162 ms |
28688 KB |
Output is correct |
| 74 |
Correct |
137 ms |
28748 KB |
Output is correct |
| 75 |
Correct |
120 ms |
18340 KB |
Output is correct |
| 76 |
Correct |
130 ms |
18336 KB |
Output is correct |
| 77 |
Correct |
135 ms |
17216 KB |
Output is correct |
| 78 |
Correct |
135 ms |
17040 KB |
Output is correct |
| 79 |
Correct |
130 ms |
17080 KB |
Output is correct |
| 80 |
Correct |
159 ms |
17032 KB |
Output is correct |
| 81 |
Correct |
93 ms |
17092 KB |
Output is correct |
| 82 |
Correct |
114 ms |
17152 KB |
Output is correct |
| 83 |
Correct |
171 ms |
22156 KB |
Output is correct |
| 84 |
Correct |
132 ms |
24428 KB |
Output is correct |
| 85 |
Correct |
121 ms |
23960 KB |
Output is correct |
| 86 |
Correct |
132 ms |
18444 KB |
Output is correct |
| 87 |
Correct |
125 ms |
17924 KB |
Output is correct |
| 88 |
Correct |
116 ms |
17936 KB |
Output is correct |
| 89 |
Correct |
120 ms |
18060 KB |
Output is correct |
| 90 |
Correct |
122 ms |
17820 KB |
Output is correct |
| 91 |
Correct |
120 ms |
18036 KB |
Output is correct |
| 92 |
Correct |
105 ms |
18372 KB |
Output is correct |
| 93 |
Correct |
110 ms |
20656 KB |
Output is correct |
| 94 |
Correct |
107 ms |
22204 KB |
Output is correct |
| 95 |
Correct |
110 ms |
20976 KB |
Output is correct |
| 96 |
Correct |
111 ms |
19184 KB |
Output is correct |
| 97 |
Correct |
120 ms |
17708 KB |
Output is correct |
| 98 |
Correct |
117 ms |
17248 KB |
Output is correct |
| 99 |
Correct |
126 ms |
17248 KB |
Output is correct |
| 100 |
Correct |
108 ms |
20184 KB |
Output is correct |
| 101 |
Correct |
105 ms |
17988 KB |
Output is correct |
| 102 |
Correct |
104 ms |
17396 KB |
Output is correct |
| 103 |
Correct |
122 ms |
17396 KB |
Output is correct |
| 104 |
Correct |
69 ms |
17824 KB |
Output is correct |
| 105 |
Correct |
143 ms |
25568 KB |
Output is correct |
| 106 |
Correct |
76 ms |
17724 KB |
Output is correct |
| 107 |
Correct |
85 ms |
17684 KB |
Output is correct |
| 108 |
Correct |
141 ms |
29520 KB |
Output is correct |
| 109 |
Correct |
74 ms |
17744 KB |
Output is correct |
| 110 |
Correct |
127 ms |
29876 KB |
Output is correct |
| 111 |
Correct |
102 ms |
17036 KB |
Output is correct |
