답안 #709678

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
709678	2023-03-14T07:25:44 Z	Antekb	Power Plant (JOI20_power)	C++17	100 / 100	232 ms	28848 KB

power

#include<bits/stdc++.h>

#define st first
#define nd second
#define eb emplace_back
#define pb push_back
#define pp pop_back
#define all(x) x.begin(), x.end()

using namespace std;

using ll = long long;
using pii = pair<int, int>;
using vi = vector<int>;

void debug(){cerr<<"\n";}
template<typename H, typename... T>
void debug(H h, T... t){cerr<<h;if(sizeof...(t))cerr<<", ";debug(t...);};
#define deb(x...) cerr<<#x<<" = ";debug(x);

mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());

const int N=2e5+5, INF=1e9+5;
vi E[N];
string s;
int dp[N];
int ans=0;
void dfs(int v, int p){
	int m=0;
	for(int u:E[v]){
		if(u!=p){
			dfs(u, v);
			dp[v]+=dp[u];
			m=max(m, dp[u]);
		}
	}
	if(s[v-1]-'0'){
		ans=max(ans, m+1);
		dp[v]=max(1, dp[v]-1);
	}
	ans=max(ans, dp[v]);
	//deb(v, dp[v]);
}
int main(){
	//ios_base::sync_with_stdio(0);cin.tie(0);
	int n;
	cin>>n;
	for(int i=1; i<n; i++){
		int u, v;
		cin>>u>>v;
		E[u].pb(v);
		E[v].pb(u);
	}
	cin>>s;
	dfs(1, 0);
	cout<<ans;
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	4948 KB	Output is correct
2	Correct	3 ms	4948 KB	Output is correct
3	Correct	4 ms	5012 KB	Output is correct
4	Correct	3 ms	4948 KB	Output is correct
5	Correct	3 ms	5008 KB	Output is correct
6	Correct	3 ms	5012 KB	Output is correct
7	Correct	3 ms	5012 KB	Output is correct
8	Correct	3 ms	5004 KB	Output is correct
9	Correct	3 ms	4948 KB	Output is correct
10	Correct	3 ms	4948 KB	Output is correct
11	Correct	5 ms	5004 KB	Output is correct
12	Correct	3 ms	4948 KB	Output is correct
13	Correct	3 ms	5012 KB	Output is correct
14	Correct	3 ms	5012 KB	Output is correct
15	Correct	3 ms	4948 KB	Output is correct
16	Correct	4 ms	4948 KB	Output is correct
17	Correct	3 ms	5008 KB	Output is correct
18	Correct	3 ms	4948 KB	Output is correct
19	Correct	2 ms	4948 KB	Output is correct
20	Correct	3 ms	4948 KB	Output is correct
21	Correct	3 ms	4948 KB	Output is correct

Subtask #2
41.0 / 41.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	4948 KB	Output is correct
2	Correct	3 ms	4948 KB	Output is correct
3	Correct	4 ms	5012 KB	Output is correct
4	Correct	3 ms	4948 KB	Output is correct
5	Correct	3 ms	5008 KB	Output is correct
6	Correct	3 ms	5012 KB	Output is correct
7	Correct	3 ms	5012 KB	Output is correct
8	Correct	3 ms	5004 KB	Output is correct
9	Correct	3 ms	4948 KB	Output is correct
10	Correct	3 ms	4948 KB	Output is correct
11	Correct	5 ms	5004 KB	Output is correct
12	Correct	3 ms	4948 KB	Output is correct
13	Correct	3 ms	5012 KB	Output is correct
14	Correct	3 ms	5012 KB	Output is correct
15	Correct	3 ms	4948 KB	Output is correct
16	Correct	4 ms	4948 KB	Output is correct
17	Correct	3 ms	5008 KB	Output is correct
18	Correct	3 ms	4948 KB	Output is correct
19	Correct	2 ms	4948 KB	Output is correct
20	Correct	3 ms	4948 KB	Output is correct
21	Correct	3 ms	4948 KB	Output is correct
22	Correct	6 ms	5060 KB	Output is correct
23	Correct	4 ms	5076 KB	Output is correct
24	Correct	6 ms	5020 KB	Output is correct
25	Correct	5 ms	5076 KB	Output is correct
26	Correct	4 ms	5024 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	5 ms	5140 KB	Output is correct
31	Correct	6 ms	5076 KB	Output is correct
32	Correct	5 ms	5076 KB	Output is correct
33	Correct	4 ms	5072 KB	Output is correct
34	Correct	5 ms	5076 KB	Output is correct
35	Correct	4 ms	5076 KB	Output is correct
36	Correct	4 ms	5060 KB	Output is correct
37	Correct	6 ms	5076 KB	Output is correct
38	Correct	4 ms	5076 KB	Output is correct
39	Correct	4 ms	5076 KB	Output is correct
40	Correct	4 ms	5076 KB	Output is correct
41	Correct	4 ms	5076 KB	Output is correct
42	Correct	4 ms	5076 KB	Output is correct
43	Correct	5 ms	5048 KB	Output is correct
44	Correct	5 ms	5076 KB	Output is correct
45	Correct	4 ms	5076 KB	Output is correct
46	Correct	4 ms	5076 KB	Output is correct
47	Correct	4 ms	5076 KB	Output is correct
48	Correct	5 ms	5088 KB	Output is correct
49	Correct	4 ms	5076 KB	Output is correct
50	Correct	4 ms	5064 KB	Output is correct
51	Correct	4 ms	5076 KB	Output is correct
52	Correct	4 ms	5076 KB	Output is correct
53	Correct	4 ms	5020 KB	Output is correct
54	Correct	5 ms	5044 KB	Output is correct
55	Correct	4 ms	5076 KB	Output is correct
56	Correct	4 ms	5012 KB	Output is correct
57	Correct	4 ms	5204 KB	Output is correct
58	Correct	4 ms	5076 KB	Output is correct
59	Correct	4 ms	5076 KB	Output is correct
60	Correct	4 ms	5064 KB	Output is correct
61	Correct	6 ms	5076 KB	Output is correct
62	Correct	4 ms	5204 KB	Output is correct
63	Correct	4 ms	5016 KB	Output is correct

Subtask #3
53.0 / 53.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	4948 KB	Output is correct
2	Correct	3 ms	4948 KB	Output is correct
3	Correct	4 ms	5012 KB	Output is correct
4	Correct	3 ms	4948 KB	Output is correct
5	Correct	3 ms	5008 KB	Output is correct
6	Correct	3 ms	5012 KB	Output is correct
7	Correct	3 ms	5012 KB	Output is correct
8	Correct	3 ms	5004 KB	Output is correct
9	Correct	3 ms	4948 KB	Output is correct
10	Correct	3 ms	4948 KB	Output is correct
11	Correct	5 ms	5004 KB	Output is correct
12	Correct	3 ms	4948 KB	Output is correct
13	Correct	3 ms	5012 KB	Output is correct
14	Correct	3 ms	5012 KB	Output is correct
15	Correct	3 ms	4948 KB	Output is correct
16	Correct	4 ms	4948 KB	Output is correct
17	Correct	3 ms	5008 KB	Output is correct
18	Correct	3 ms	4948 KB	Output is correct
19	Correct	2 ms	4948 KB	Output is correct
20	Correct	3 ms	4948 KB	Output is correct
21	Correct	3 ms	4948 KB	Output is correct
22	Correct	6 ms	5060 KB	Output is correct
23	Correct	4 ms	5076 KB	Output is correct
24	Correct	6 ms	5020 KB	Output is correct
25	Correct	5 ms	5076 KB	Output is correct
26	Correct	4 ms	5024 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	5 ms	5140 KB	Output is correct
31	Correct	6 ms	5076 KB	Output is correct
32	Correct	5 ms	5076 KB	Output is correct
33	Correct	4 ms	5072 KB	Output is correct
34	Correct	5 ms	5076 KB	Output is correct
35	Correct	4 ms	5076 KB	Output is correct
36	Correct	4 ms	5060 KB	Output is correct
37	Correct	6 ms	5076 KB	Output is correct
38	Correct	4 ms	5076 KB	Output is correct
39	Correct	4 ms	5076 KB	Output is correct
40	Correct	4 ms	5076 KB	Output is correct
41	Correct	4 ms	5076 KB	Output is correct
42	Correct	4 ms	5076 KB	Output is correct
43	Correct	5 ms	5048 KB	Output is correct
44	Correct	5 ms	5076 KB	Output is correct
45	Correct	4 ms	5076 KB	Output is correct
46	Correct	4 ms	5076 KB	Output is correct
47	Correct	4 ms	5076 KB	Output is correct
48	Correct	5 ms	5088 KB	Output is correct
49	Correct	4 ms	5076 KB	Output is correct
50	Correct	4 ms	5064 KB	Output is correct
51	Correct	4 ms	5076 KB	Output is correct
52	Correct	4 ms	5076 KB	Output is correct
53	Correct	4 ms	5020 KB	Output is correct
54	Correct	5 ms	5044 KB	Output is correct
55	Correct	4 ms	5076 KB	Output is correct
56	Correct	4 ms	5012 KB	Output is correct
57	Correct	4 ms	5204 KB	Output is correct
58	Correct	4 ms	5076 KB	Output is correct
59	Correct	4 ms	5076 KB	Output is correct
60	Correct	4 ms	5064 KB	Output is correct
61	Correct	6 ms	5076 KB	Output is correct
62	Correct	4 ms	5204 KB	Output is correct
63	Correct	4 ms	5016 KB	Output is correct
64	Correct	206 ms	15228 KB	Output is correct
65	Correct	192 ms	15132 KB	Output is correct
66	Correct	205 ms	15100 KB	Output is correct
67	Correct	208 ms	15176 KB	Output is correct
68	Correct	204 ms	15288 KB	Output is correct
69	Correct	203 ms	15068 KB	Output is correct
70	Correct	199 ms	15112 KB	Output is correct
71	Correct	202 ms	15104 KB	Output is correct
72	Correct	196 ms	15180 KB	Output is correct
73	Correct	201 ms	27740 KB	Output is correct
74	Correct	232 ms	27712 KB	Output is correct
75	Correct	201 ms	15024 KB	Output is correct
76	Correct	189 ms	15088 KB	Output is correct
77	Correct	215 ms	15076 KB	Output is correct
78	Correct	190 ms	15076 KB	Output is correct
79	Correct	201 ms	14980 KB	Output is correct
80	Correct	198 ms	14972 KB	Output is correct
81	Correct	186 ms	15460 KB	Output is correct
82	Correct	183 ms	15304 KB	Output is correct
83	Correct	223 ms	20288 KB	Output is correct
84	Correct	212 ms	22416 KB	Output is correct
85	Correct	217 ms	22036 KB	Output is correct
86	Correct	221 ms	16488 KB	Output is correct
87	Correct	211 ms	15876 KB	Output is correct
88	Correct	217 ms	16384 KB	Output is correct
89	Correct	199 ms	16424 KB	Output is correct
90	Correct	183 ms	16332 KB	Output is correct
91	Correct	216 ms	16484 KB	Output is correct
92	Correct	179 ms	16748 KB	Output is correct
93	Correct	225 ms	19208 KB	Output is correct
94	Correct	170 ms	20836 KB	Output is correct
95	Correct	187 ms	19460 KB	Output is correct
96	Correct	184 ms	17752 KB	Output is correct
97	Correct	197 ms	16220 KB	Output is correct
98	Correct	213 ms	15732 KB	Output is correct
99	Correct	230 ms	15452 KB	Output is correct
100	Correct	188 ms	18748 KB	Output is correct
101	Correct	194 ms	16756 KB	Output is correct
102	Correct	182 ms	15872 KB	Output is correct
103	Correct	193 ms	15756 KB	Output is correct
104	Correct	155 ms	15352 KB	Output is correct
105	Correct	217 ms	24544 KB	Output is correct
106	Correct	156 ms	15840 KB	Output is correct
107	Correct	151 ms	15788 KB	Output is correct
108	Correct	210 ms	28512 KB	Output is correct
109	Correct	162 ms	15208 KB	Output is correct
110	Correct	201 ms	28848 KB	Output is correct
111	Correct	201 ms	15100 KB	Output is correct

답안 #709678

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