답안 #300871

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
300871	2020-09-17T14:40:45 Z	LifeHappen__	Power Plant (JOI20_power)	C++14	100 / 100	207 ms	25464 KB

power

#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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

답안 #300871

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 41.0 / 41.0

Subtask #3 53.0 / 53.0

Subtask #1
6.0 / 6.0

Subtask #2
41.0 / 41.0

Subtask #3
53.0 / 53.0