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Submission #300871

# Submission time Handle Problem Language Result Execution time Memory
300871 2020-09-17T14:40:45 Z LifeHappen__ Power Plant (JOI20_power) C++14
100 / 100
 207 ms 25464 KB 
#include<bits/stdc++.h>

using namespace std;

#define int long long

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int rnd(int l,int r){return l+rng()%(r-l+1);}

#define FOR(a,b,c) for(int a=b, __c=c; a<=__c; ++a)
#define FORD(a,b,c) for(int a=b, __c=c; a>=__c; --a)
#define forv(a,b) for(auto &a:b)

#define ii pair<int,int>
#define fi first
#define se second
#define pb push_back
#define eb emplace_back
#define all(a) begin(a),end(a)
#define reset(f,x) memset(f,x,sizeof(f))
#define fasty ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0)
#define gg exit(0);

#define bit(x,i) (x>>(i-1)&1ll)
#define on(x,i) (x|(1ll<<(i-1)))
#define off(x,i) (x&~(1ll<<(i-1)))

const int N=2e5+5;
int n;
vector<int> ad[N];
int f[N],dd[N];
int ans=0;

void dfs(int u,int par){
   int maxi=0;
   forv(v,ad[u]) if(v!=par){
      dfs(v,u);
      f[u]+=f[v];
      maxi=max(maxi,f[v]+1);
   }
   if(dd[u]){
      ans=max(ans,maxi);
      f[u]--;
      f[u]=max(f[u],1ll);
   }
   ans=max(ans,f[u]);
}

int32_t main(){
   fasty;

   cin>>n;
   FOR(i,1,n-1){
      int u,v;
      cin>>u>>v;
      ad[u].pb(v); ad[v].pb(u);
   }
   FOR(i,1,n){
      char x; cin>>x; dd[i]=x-'0';
   }
   dfs(1,0);
   cout<<ans;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct
3 Correct 4 ms 4992 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 4 ms 4992 KB Output is correct
6 Correct 4 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 4 ms 4992 KB Output is correct
9 Correct 4 ms 4992 KB Output is correct
10 Correct 4 ms 4992 KB Output is correct
11 Correct 4 ms 4992 KB Output is correct
12 Correct 4 ms 4992 KB Output is correct
13 Correct 4 ms 4992 KB Output is correct
14 Correct 4 ms 4992 KB Output is correct
15 Correct 4 ms 4992 KB Output is correct
16 Correct 4 ms 4992 KB Output is correct
17 Correct 4 ms 4992 KB Output is correct
18 Correct 4 ms 4992 KB Output is correct
19 Correct 4 ms 4992 KB Output is correct
20 Correct 4 ms 4992 KB Output is correct
21 Correct 4 ms 4992 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct
3 Correct 4 ms 4992 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 4 ms 4992 KB Output is correct
6 Correct 4 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 4 ms 4992 KB Output is correct
9 Correct 4 ms 4992 KB Output is correct
10 Correct 4 ms 4992 KB Output is correct
11 Correct 4 ms 4992 KB Output is correct
12 Correct 4 ms 4992 KB Output is correct
13 Correct 4 ms 4992 KB Output is correct
14 Correct 4 ms 4992 KB Output is correct
15 Correct 4 ms 4992 KB Output is correct
16 Correct 4 ms 4992 KB Output is correct
17 Correct 4 ms 4992 KB Output is correct
18 Correct 4 ms 4992 KB Output is correct
19 Correct 4 ms 4992 KB Output is correct
20 Correct 4 ms 4992 KB Output is correct
21 Correct 4 ms 4992 KB Output is correct
22 Correct 5 ms 5120 KB Output is correct
23 Correct 5 ms 5120 KB Output is correct
24 Correct 5 ms 5120 KB Output is correct
25 Correct 5 ms 5120 KB Output is correct
26 Correct 4 ms 5120 KB Output is correct
27 Correct 5 ms 5120 KB Output is correct
28 Correct 6 ms 5120 KB Output is correct
29 Correct 6 ms 5280 KB Output is correct
30 Correct 5 ms 5248 KB Output is correct
31 Correct 4 ms 5248 KB Output is correct
32 Correct 5 ms 5248 KB Output is correct
33 Correct 4 ms 5120 KB Output is correct
34 Correct 5 ms 5224 KB Output is correct
35 Correct 5 ms 5152 KB Output is correct
36 Correct 4 ms 5120 KB Output is correct
37 Correct 4 ms 5120 KB Output is correct
38 Correct 5 ms 5120 KB Output is correct
39 Correct 4 ms 5248 KB Output is correct
40 Correct 5 ms 5120 KB Output is correct
41 Correct 4 ms 5248 KB Output is correct
42 Correct 4 ms 5120 KB Output is correct
43 Correct 5 ms 5120 KB Output is correct
44 Correct 4 ms 5248 KB Output is correct
45 Correct 4 ms 5120 KB Output is correct
46 Correct 4 ms 5120 KB Output is correct
47 Correct 5 ms 5120 KB Output is correct
48 Correct 4 ms 5248 KB Output is correct
49 Correct 5 ms 5248 KB Output is correct
50 Correct 5 ms 5248 KB Output is correct
51 Correct 4 ms 5120 KB Output is correct
52 Correct 4 ms 5120 KB Output is correct
53 Correct 4 ms 5120 KB Output is correct
54 Correct 5 ms 5248 KB Output is correct
55 Correct 4 ms 5120 KB Output is correct
56 Correct 5 ms 5120 KB Output is correct
57 Correct 4 ms 5248 KB Output is correct
58 Correct 4 ms 5120 KB Output is correct
59 Correct 4 ms 5120 KB Output is correct
60 Correct 5 ms 5248 KB Output is correct
61 Correct 4 ms 5120 KB Output is correct
62 Correct 5 ms 5248 KB Output is correct
63 Correct 4 ms 5120 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct
3 Correct 4 ms 4992 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 4 ms 4992 KB Output is correct
6 Correct 4 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 4 ms 4992 KB Output is correct
9 Correct 4 ms 4992 KB Output is correct
10 Correct 4 ms 4992 KB Output is correct
11 Correct 4 ms 4992 KB Output is correct
12 Correct 4 ms 4992 KB Output is correct
13 Correct 4 ms 4992 KB Output is correct
14 Correct 4 ms 4992 KB Output is correct
15 Correct 4 ms 4992 KB Output is correct
16 Correct 4 ms 4992 KB Output is correct
17 Correct 4 ms 4992 KB Output is correct
18 Correct 4 ms 4992 KB Output is correct
19 Correct 4 ms 4992 KB Output is correct
20 Correct 4 ms 4992 KB Output is correct
21 Correct 4 ms 4992 KB Output is correct
22 Correct 5 ms 5120 KB Output is correct
23 Correct 5 ms 5120 KB Output is correct
24 Correct 5 ms 5120 KB Output is correct
25 Correct 5 ms 5120 KB Output is correct
26 Correct 4 ms 5120 KB Output is correct
27 Correct 5 ms 5120 KB Output is correct
28 Correct 6 ms 5120 KB Output is correct
29 Correct 6 ms 5280 KB Output is correct
30 Correct 5 ms 5248 KB Output is correct
31 Correct 4 ms 5248 KB Output is correct
32 Correct 5 ms 5248 KB Output is correct
33 Correct 4 ms 5120 KB Output is correct
34 Correct 5 ms 5224 KB Output is correct
35 Correct 5 ms 5152 KB Output is correct
36 Correct 4 ms 5120 KB Output is correct
37 Correct 4 ms 5120 KB Output is correct
38 Correct 5 ms 5120 KB Output is correct
39 Correct 4 ms 5248 KB Output is correct
40 Correct 5 ms 5120 KB Output is correct
41 Correct 4 ms 5248 KB Output is correct
42 Correct 4 ms 5120 KB Output is correct
43 Correct 5 ms 5120 KB Output is correct
44 Correct 4 ms 5248 KB Output is correct
45 Correct 4 ms 5120 KB Output is correct
46 Correct 4 ms 5120 KB Output is correct
47 Correct 5 ms 5120 KB Output is correct
48 Correct 4 ms 5248 KB Output is correct
49 Correct 5 ms 5248 KB Output is correct
50 Correct 5 ms 5248 KB Output is correct
51 Correct 4 ms 5120 KB Output is correct
52 Correct 4 ms 5120 KB Output is correct
53 Correct 4 ms 5120 KB Output is correct
54 Correct 5 ms 5248 KB Output is correct
55 Correct 4 ms 5120 KB Output is correct
56 Correct 5 ms 5120 KB Output is correct
57 Correct 4 ms 5248 KB Output is correct
58 Correct 4 ms 5120 KB Output is correct
59 Correct 4 ms 5120 KB Output is correct
60 Correct 5 ms 5248 KB Output is correct
61 Correct 4 ms 5120 KB Output is correct
62 Correct 5 ms 5248 KB Output is correct
63 Correct 4 ms 5120 KB Output is correct
64 Correct 179 ms 18172 KB Output is correct
65 Correct 179 ms 18168 KB Output is correct
66 Correct 178 ms 18172 KB Output is correct
67 Correct 173 ms 18168 KB Output is correct
68 Correct 175 ms 18168 KB Output is correct
69 Correct 178 ms 18296 KB Output is correct
70 Correct 174 ms 18172 KB Output is correct
71 Correct 172 ms 18172 KB Output is correct
72 Correct 176 ms 18424 KB Output is correct
73 Correct 191 ms 24824 KB Output is correct
74 Correct 193 ms 24948 KB Output is correct
75 Correct 189 ms 19448 KB Output is correct
76 Correct 181 ms 19424 KB Output is correct
77 Correct 179 ms 18168 KB Output is correct
78 Correct 181 ms 18208 KB Output is correct
79 Correct 179 ms 18356 KB Output is correct
80 Correct 192 ms 18168 KB Output is correct
81 Correct 143 ms 18156 KB Output is correct
82 Correct 172 ms 18076 KB Output is correct
83 Correct 185 ms 21240 KB Output is correct
84 Correct 188 ms 22520 KB Output is correct
85 Correct 195 ms 22392 KB Output is correct
86 Correct 180 ms 19064 KB Output is correct
87 Correct 173 ms 18808 KB Output is correct
88 Correct 171 ms 18808 KB Output is correct
89 Correct 171 ms 18912 KB Output is correct
90 Correct 169 ms 18680 KB Output is correct
91 Correct 168 ms 18940 KB Output is correct
92 Correct 173 ms 19064 KB Output is correct
93 Correct 160 ms 20076 KB Output is correct
94 Correct 157 ms 21096 KB Output is correct
95 Correct 151 ms 20456 KB Output is correct
96 Correct 160 ms 19320 KB Output is correct
97 Correct 175 ms 18588 KB Output is correct
98 Correct 163 ms 18552 KB Output is correct
99 Correct 168 ms 18296 KB Output is correct
100 Correct 164 ms 19960 KB Output is correct
101 Correct 167 ms 18808 KB Output is correct
102 Correct 164 ms 18424 KB Output is correct
103 Correct 177 ms 18552 KB Output is correct
104 Correct 104 ms 17252 KB Output is correct
105 Correct 188 ms 22936 KB Output is correct
106 Correct 109 ms 18660 KB Output is correct
107 Correct 107 ms 18660 KB Output is correct
108 Correct 207 ms 25208 KB Output is correct
109 Correct 103 ms 17252 KB Output is correct
110 Correct 195 ms 25464 KB Output is correct
111 Correct 175 ms 18296 KB Output is correct