답안 #634657

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
634657	2022-08-24T16:33:21 Z	PoPularPlusPlus	Power Plant (JOI20_power)	C++17	100 / 100	156 ms	22600 KB

power

#include <bits/stdc++.h>
using namespace std;
#define pb(e) push_back(e)
#define mp(a,b) make_pair(a,b)
 
const int N = 200003;
 
vector<int> adj[N];
string s;
int ans;
 
int dfs(int node , int par){
	if(s[node-1] == '0'){
		int sum = 0;
		for(int i : adj[node]){
			if(i!=par){
				sum += dfs(i,node);
			}
		}
		return sum;
	}
	int mx = 0;
	int sum = 0;
	for(int i : adj[node]){
		if(i != par){
		   int x = dfs(i , node);
		   mx = max(mx , x);
		   sum += x;
		}
	}
	ans = max(ans , mx + 1);
	return max(1 , sum - 1);
}
 
void solve(){
	int n;
	cin >> n;
	for(int i = 0; i < n-1; i++){
		int a , b;
		cin >> a >> b;
		adj[a].pb(b);
		adj[b].pb(a);
	}
	cin >> s;
	ans = 0;
	ans = max(ans , dfs(1,1));
	cout << ans << '\n';
}
 
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
	solve();
	return 0;
}

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	3 ms	4948 KB	Output is correct
4	Correct	3 ms	4948 KB	Output is correct
5	Correct	3 ms	4948 KB	Output is correct
6	Correct	2 ms	4948 KB	Output is correct
7	Correct	3 ms	4948 KB	Output is correct
8	Correct	3 ms	4948 KB	Output is correct
9	Correct	3 ms	4948 KB	Output is correct
10	Correct	2 ms	4948 KB	Output is correct
11	Correct	2 ms	4948 KB	Output is correct
12	Correct	3 ms	4948 KB	Output is correct
13	Correct	3 ms	4948 KB	Output is correct
14	Correct	3 ms	4948 KB	Output is correct
15	Correct	3 ms	5012 KB	Output is correct
16	Correct	4 ms	4948 KB	Output is correct
17	Correct	4 ms	4948 KB	Output is correct
18	Correct	2 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	3 ms	4948 KB	Output is correct
4	Correct	3 ms	4948 KB	Output is correct
5	Correct	3 ms	4948 KB	Output is correct
6	Correct	2 ms	4948 KB	Output is correct
7	Correct	3 ms	4948 KB	Output is correct
8	Correct	3 ms	4948 KB	Output is correct
9	Correct	3 ms	4948 KB	Output is correct
10	Correct	2 ms	4948 KB	Output is correct
11	Correct	2 ms	4948 KB	Output is correct
12	Correct	3 ms	4948 KB	Output is correct
13	Correct	3 ms	4948 KB	Output is correct
14	Correct	3 ms	4948 KB	Output is correct
15	Correct	3 ms	5012 KB	Output is correct
16	Correct	4 ms	4948 KB	Output is correct
17	Correct	4 ms	4948 KB	Output is correct
18	Correct	2 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	3 ms	5076 KB	Output is correct
23	Correct	3 ms	5076 KB	Output is correct
24	Correct	4 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	4 ms	5084 KB	Output is correct
29	Correct	3 ms	5076 KB	Output is correct
30	Correct	4 ms	5076 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	4 ms	5076 KB	Output is correct
35	Correct	3 ms	5076 KB	Output is correct
36	Correct	4 ms	5076 KB	Output is correct
37	Correct	5 ms	5076 KB	Output is correct
38	Correct	3 ms	5076 KB	Output is correct
39	Correct	3 ms	5076 KB	Output is correct
40	Correct	3 ms	5076 KB	Output is correct
41	Correct	3 ms	5100 KB	Output is correct
42	Correct	3 ms	5076 KB	Output is correct
43	Correct	3 ms	5012 KB	Output is correct
44	Correct	3 ms	5052 KB	Output is correct
45	Correct	4 ms	5076 KB	Output is correct
46	Correct	3 ms	5100 KB	Output is correct
47	Correct	3 ms	5076 KB	Output is correct
48	Correct	3 ms	5076 KB	Output is correct
49	Correct	3 ms	5076 KB	Output is correct
50	Correct	3 ms	5076 KB	Output is correct
51	Correct	3 ms	5076 KB	Output is correct
52	Correct	4 ms	5072 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	5076 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	5076 KB	Output is correct
61	Correct	3 ms	5076 KB	Output is correct
62	Correct	3 ms	5076 KB	Output is correct
63	Correct	3 ms	5076 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	3 ms	4948 KB	Output is correct
4	Correct	3 ms	4948 KB	Output is correct
5	Correct	3 ms	4948 KB	Output is correct
6	Correct	2 ms	4948 KB	Output is correct
7	Correct	3 ms	4948 KB	Output is correct
8	Correct	3 ms	4948 KB	Output is correct
9	Correct	3 ms	4948 KB	Output is correct
10	Correct	2 ms	4948 KB	Output is correct
11	Correct	2 ms	4948 KB	Output is correct
12	Correct	3 ms	4948 KB	Output is correct
13	Correct	3 ms	4948 KB	Output is correct
14	Correct	3 ms	4948 KB	Output is correct
15	Correct	3 ms	5012 KB	Output is correct
16	Correct	4 ms	4948 KB	Output is correct
17	Correct	4 ms	4948 KB	Output is correct
18	Correct	2 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	3 ms	5076 KB	Output is correct
23	Correct	3 ms	5076 KB	Output is correct
24	Correct	4 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	4 ms	5084 KB	Output is correct
29	Correct	3 ms	5076 KB	Output is correct
30	Correct	4 ms	5076 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	4 ms	5076 KB	Output is correct
35	Correct	3 ms	5076 KB	Output is correct
36	Correct	4 ms	5076 KB	Output is correct
37	Correct	5 ms	5076 KB	Output is correct
38	Correct	3 ms	5076 KB	Output is correct
39	Correct	3 ms	5076 KB	Output is correct
40	Correct	3 ms	5076 KB	Output is correct
41	Correct	3 ms	5100 KB	Output is correct
42	Correct	3 ms	5076 KB	Output is correct
43	Correct	3 ms	5012 KB	Output is correct
44	Correct	3 ms	5052 KB	Output is correct
45	Correct	4 ms	5076 KB	Output is correct
46	Correct	3 ms	5100 KB	Output is correct
47	Correct	3 ms	5076 KB	Output is correct
48	Correct	3 ms	5076 KB	Output is correct
49	Correct	3 ms	5076 KB	Output is correct
50	Correct	3 ms	5076 KB	Output is correct
51	Correct	3 ms	5076 KB	Output is correct
52	Correct	4 ms	5072 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	5076 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	5076 KB	Output is correct
61	Correct	3 ms	5076 KB	Output is correct
62	Correct	3 ms	5076 KB	Output is correct
63	Correct	3 ms	5076 KB	Output is correct
64	Correct	108 ms	11800 KB	Output is correct
65	Correct	120 ms	11760 KB	Output is correct
66	Correct	114 ms	11776 KB	Output is correct
67	Correct	100 ms	11716 KB	Output is correct
68	Correct	101 ms	11812 KB	Output is correct
69	Correct	127 ms	11704 KB	Output is correct
70	Correct	112 ms	11708 KB	Output is correct
71	Correct	100 ms	11784 KB	Output is correct
72	Correct	120 ms	11764 KB	Output is correct
73	Correct	153 ms	21664 KB	Output is correct
74	Correct	122 ms	21772 KB	Output is correct
75	Correct	120 ms	11640 KB	Output is correct
76	Correct	134 ms	11708 KB	Output is correct
77	Correct	144 ms	11692 KB	Output is correct
78	Correct	117 ms	11672 KB	Output is correct
79	Correct	102 ms	11636 KB	Output is correct
80	Correct	104 ms	11724 KB	Output is correct
81	Correct	100 ms	12068 KB	Output is correct
82	Correct	116 ms	11840 KB	Output is correct
83	Correct	114 ms	15760 KB	Output is correct
84	Correct	147 ms	17360 KB	Output is correct
85	Correct	124 ms	17100 KB	Output is correct
86	Correct	112 ms	12732 KB	Output is correct
87	Correct	104 ms	12224 KB	Output is correct
88	Correct	121 ms	12744 KB	Output is correct
89	Correct	128 ms	12800 KB	Output is correct
90	Correct	102 ms	12572 KB	Output is correct
91	Correct	107 ms	12784 KB	Output is correct
92	Correct	135 ms	13008 KB	Output is correct
93	Correct	104 ms	14972 KB	Output is correct
94	Correct	98 ms	16340 KB	Output is correct
95	Correct	94 ms	15224 KB	Output is correct
96	Correct	102 ms	13736 KB	Output is correct
97	Correct	141 ms	12580 KB	Output is correct
98	Correct	101 ms	12228 KB	Output is correct
99	Correct	100 ms	12168 KB	Output is correct
100	Correct	99 ms	14540 KB	Output is correct
101	Correct	129 ms	12936 KB	Output is correct
102	Correct	126 ms	12384 KB	Output is correct
103	Correct	97 ms	12268 KB	Output is correct
104	Correct	58 ms	12392 KB	Output is correct
105	Correct	121 ms	19212 KB	Output is correct
106	Correct	80 ms	12536 KB	Output is correct
107	Correct	60 ms	12432 KB	Output is correct
108	Correct	125 ms	22320 KB	Output is correct
109	Correct	68 ms	12340 KB	Output is correct
110	Correct	156 ms	22600 KB	Output is correct
111	Correct	145 ms	11684 KB	Output is correct

답안 #634657

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