답안 #882853

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
882853	2023-12-03T22:04:23 Z	TomkeMonke	Power Plant (JOI20_power)	C++17	100 / 100	117 ms	29704 KB

power

#include <bits/stdc++.h>

using namespace std;

const int MAXN = 2e5 + 7;

vector<int> G[MAXN];
string s;

int path[MAXN], siz[MAXN];
int ans = 0;

void DFS(int v, int p){
	
	int maks = 0, sum = 0;
	
	for(auto u : G[v]){
		
		if(u == p) continue;
		DFS(u, v);
		sum += siz[u];
		maks = max(maks, siz[u]);
	}
	
	if(s[v] == '1'){
		
		path[v] = maks + 1;
		siz[v] = max(1, sum - 1);
	}
	
	else {
		
		path[v] = maks;
		siz[v] = sum;
	}
	
	ans = max(ans, max(path[v], siz[v]));
}





int main(){
	
	ios_base::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	
	int n;
	cin >> n;
	
	for(int i = 1; i < n; i++){
		
		int a, b;
		cin >> a >> b;
		
		G[a].push_back(b);
		G[b].push_back(a);
	}
	
	cin >> s;
	s = "#" + s;
	DFS(1, 1);
	
	cout << ans << '\n';
	
	return 0;
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	6492 KB	Output is correct
2	Correct	2 ms	6492 KB	Output is correct
3	Correct	2 ms	6492 KB	Output is correct
4	Correct	2 ms	6644 KB	Output is correct
5	Correct	2 ms	6488 KB	Output is correct
6	Correct	2 ms	6492 KB	Output is correct
7	Correct	2 ms	6492 KB	Output is correct
8	Correct	2 ms	6492 KB	Output is correct
9	Correct	2 ms	6492 KB	Output is correct
10	Correct	2 ms	6492 KB	Output is correct
11	Correct	2 ms	6544 KB	Output is correct
12	Correct	2 ms	6492 KB	Output is correct
13	Correct	2 ms	6492 KB	Output is correct
14	Correct	2 ms	6492 KB	Output is correct
15	Correct	2 ms	6492 KB	Output is correct
16	Correct	2 ms	6492 KB	Output is correct
17	Correct	3 ms	6488 KB	Output is correct
18	Correct	2 ms	6492 KB	Output is correct
19	Correct	2 ms	6548 KB	Output is correct
20	Correct	2 ms	6492 KB	Output is correct
21	Correct	2 ms	6492 KB	Output is correct

Subtask #2
41.0 / 41.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	6492 KB	Output is correct
2	Correct	2 ms	6492 KB	Output is correct
3	Correct	2 ms	6492 KB	Output is correct
4	Correct	2 ms	6644 KB	Output is correct
5	Correct	2 ms	6488 KB	Output is correct
6	Correct	2 ms	6492 KB	Output is correct
7	Correct	2 ms	6492 KB	Output is correct
8	Correct	2 ms	6492 KB	Output is correct
9	Correct	2 ms	6492 KB	Output is correct
10	Correct	2 ms	6492 KB	Output is correct
11	Correct	2 ms	6544 KB	Output is correct
12	Correct	2 ms	6492 KB	Output is correct
13	Correct	2 ms	6492 KB	Output is correct
14	Correct	2 ms	6492 KB	Output is correct
15	Correct	2 ms	6492 KB	Output is correct
16	Correct	2 ms	6492 KB	Output is correct
17	Correct	3 ms	6488 KB	Output is correct
18	Correct	2 ms	6492 KB	Output is correct
19	Correct	2 ms	6548 KB	Output is correct
20	Correct	2 ms	6492 KB	Output is correct
21	Correct	2 ms	6492 KB	Output is correct
22	Correct	2 ms	6492 KB	Output is correct
23	Correct	2 ms	6492 KB	Output is correct
24	Correct	2 ms	6492 KB	Output is correct
25	Correct	3 ms	6560 KB	Output is correct
26	Correct	2 ms	6488 KB	Output is correct
27	Correct	2 ms	6492 KB	Output is correct
28	Correct	2 ms	6492 KB	Output is correct
29	Correct	2 ms	6748 KB	Output is correct
30	Correct	3 ms	6492 KB	Output is correct
31	Correct	2 ms	6492 KB	Output is correct
32	Correct	2 ms	6492 KB	Output is correct
33	Correct	2 ms	6492 KB	Output is correct
34	Correct	2 ms	6492 KB	Output is correct
35	Correct	2 ms	6504 KB	Output is correct
36	Correct	3 ms	6492 KB	Output is correct
37	Correct	2 ms	6492 KB	Output is correct
38	Correct	3 ms	6556 KB	Output is correct
39	Correct	2 ms	6756 KB	Output is correct
40	Correct	2 ms	6492 KB	Output is correct
41	Correct	2 ms	6492 KB	Output is correct
42	Correct	2 ms	6576 KB	Output is correct
43	Correct	2 ms	6492 KB	Output is correct
44	Correct	2 ms	6492 KB	Output is correct
45	Correct	2 ms	6492 KB	Output is correct
46	Correct	2 ms	6564 KB	Output is correct
47	Correct	3 ms	6492 KB	Output is correct
48	Correct	4 ms	6492 KB	Output is correct
49	Correct	2 ms	6744 KB	Output is correct
50	Correct	3 ms	6492 KB	Output is correct
51	Correct	2 ms	6744 KB	Output is correct
52	Correct	2 ms	6492 KB	Output is correct
53	Correct	2 ms	6488 KB	Output is correct
54	Correct	3 ms	6492 KB	Output is correct
55	Correct	3 ms	6492 KB	Output is correct
56	Correct	2 ms	6492 KB	Output is correct
57	Correct	3 ms	6732 KB	Output is correct
58	Correct	2 ms	6492 KB	Output is correct
59	Correct	2 ms	6492 KB	Output is correct
60	Correct	2 ms	6492 KB	Output is correct
61	Correct	2 ms	6560 KB	Output is correct
62	Correct	3 ms	7000 KB	Output is correct
63	Correct	2 ms	6488 KB	Output is correct

Subtask #3
53.0 / 53.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	6492 KB	Output is correct
2	Correct	2 ms	6492 KB	Output is correct
3	Correct	2 ms	6492 KB	Output is correct
4	Correct	2 ms	6644 KB	Output is correct
5	Correct	2 ms	6488 KB	Output is correct
6	Correct	2 ms	6492 KB	Output is correct
7	Correct	2 ms	6492 KB	Output is correct
8	Correct	2 ms	6492 KB	Output is correct
9	Correct	2 ms	6492 KB	Output is correct
10	Correct	2 ms	6492 KB	Output is correct
11	Correct	2 ms	6544 KB	Output is correct
12	Correct	2 ms	6492 KB	Output is correct
13	Correct	2 ms	6492 KB	Output is correct
14	Correct	2 ms	6492 KB	Output is correct
15	Correct	2 ms	6492 KB	Output is correct
16	Correct	2 ms	6492 KB	Output is correct
17	Correct	3 ms	6488 KB	Output is correct
18	Correct	2 ms	6492 KB	Output is correct
19	Correct	2 ms	6548 KB	Output is correct
20	Correct	2 ms	6492 KB	Output is correct
21	Correct	2 ms	6492 KB	Output is correct
22	Correct	2 ms	6492 KB	Output is correct
23	Correct	2 ms	6492 KB	Output is correct
24	Correct	2 ms	6492 KB	Output is correct
25	Correct	3 ms	6560 KB	Output is correct
26	Correct	2 ms	6488 KB	Output is correct
27	Correct	2 ms	6492 KB	Output is correct
28	Correct	2 ms	6492 KB	Output is correct
29	Correct	2 ms	6748 KB	Output is correct
30	Correct	3 ms	6492 KB	Output is correct
31	Correct	2 ms	6492 KB	Output is correct
32	Correct	2 ms	6492 KB	Output is correct
33	Correct	2 ms	6492 KB	Output is correct
34	Correct	2 ms	6492 KB	Output is correct
35	Correct	2 ms	6504 KB	Output is correct
36	Correct	3 ms	6492 KB	Output is correct
37	Correct	2 ms	6492 KB	Output is correct
38	Correct	3 ms	6556 KB	Output is correct
39	Correct	2 ms	6756 KB	Output is correct
40	Correct	2 ms	6492 KB	Output is correct
41	Correct	2 ms	6492 KB	Output is correct
42	Correct	2 ms	6576 KB	Output is correct
43	Correct	2 ms	6492 KB	Output is correct
44	Correct	2 ms	6492 KB	Output is correct
45	Correct	2 ms	6492 KB	Output is correct
46	Correct	2 ms	6564 KB	Output is correct
47	Correct	3 ms	6492 KB	Output is correct
48	Correct	4 ms	6492 KB	Output is correct
49	Correct	2 ms	6744 KB	Output is correct
50	Correct	3 ms	6492 KB	Output is correct
51	Correct	2 ms	6744 KB	Output is correct
52	Correct	2 ms	6492 KB	Output is correct
53	Correct	2 ms	6488 KB	Output is correct
54	Correct	3 ms	6492 KB	Output is correct
55	Correct	3 ms	6492 KB	Output is correct
56	Correct	2 ms	6492 KB	Output is correct
57	Correct	3 ms	6732 KB	Output is correct
58	Correct	2 ms	6492 KB	Output is correct
59	Correct	2 ms	6492 KB	Output is correct
60	Correct	2 ms	6492 KB	Output is correct
61	Correct	2 ms	6560 KB	Output is correct
62	Correct	3 ms	7000 KB	Output is correct
63	Correct	2 ms	6488 KB	Output is correct
64	Correct	86 ms	16064 KB	Output is correct
65	Correct	61 ms	16040 KB	Output is correct
66	Correct	61 ms	16056 KB	Output is correct
67	Correct	82 ms	15996 KB	Output is correct
68	Correct	99 ms	16344 KB	Output is correct
69	Correct	85 ms	16112 KB	Output is correct
70	Correct	66 ms	16096 KB	Output is correct
71	Correct	80 ms	16024 KB	Output is correct
72	Correct	72 ms	16208 KB	Output is correct
73	Correct	92 ms	28624 KB	Output is correct
74	Correct	104 ms	28616 KB	Output is correct
75	Correct	80 ms	15980 KB	Output is correct
76	Correct	64 ms	16024 KB	Output is correct
77	Correct	114 ms	15916 KB	Output is correct
78	Correct	105 ms	15948 KB	Output is correct
79	Correct	78 ms	16028 KB	Output is correct
80	Correct	62 ms	15952 KB	Output is correct
81	Correct	60 ms	16272 KB	Output is correct
82	Correct	77 ms	16184 KB	Output is correct
83	Correct	73 ms	20988 KB	Output is correct
84	Correct	76 ms	23260 KB	Output is correct
85	Correct	85 ms	22800 KB	Output is correct
86	Correct	72 ms	17416 KB	Output is correct
87	Correct	64 ms	16840 KB	Output is correct
88	Correct	105 ms	17112 KB	Output is correct
89	Correct	62 ms	17180 KB	Output is correct
90	Correct	92 ms	16928 KB	Output is correct
91	Correct	89 ms	17136 KB	Output is correct
92	Correct	88 ms	17592 KB	Output is correct
93	Correct	79 ms	19944 KB	Output is correct
94	Correct	75 ms	21704 KB	Output is correct
95	Correct	67 ms	20356 KB	Output is correct
96	Correct	73 ms	18488 KB	Output is correct
97	Correct	67 ms	17116 KB	Output is correct
98	Correct	91 ms	16664 KB	Output is correct
99	Correct	81 ms	16428 KB	Output is correct
100	Correct	83 ms	19516 KB	Output is correct
101	Correct	70 ms	17492 KB	Output is correct
102	Correct	81 ms	16800 KB	Output is correct
103	Correct	95 ms	16564 KB	Output is correct
104	Correct	49 ms	16832 KB	Output is correct
105	Correct	79 ms	25344 KB	Output is correct
106	Correct	45 ms	16768 KB	Output is correct
107	Correct	40 ms	16848 KB	Output is correct
108	Correct	81 ms	29324 KB	Output is correct
109	Correct	41 ms	16908 KB	Output is correct
110	Correct	117 ms	29704 KB	Output is correct
111	Correct	74 ms	15992 KB	Output is correct

답안 #882853

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