답안 #683884

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
683884	2023-01-19T14:30:51 Z	abc864197532	Power Plant (JOI20_power)	C++17	100 / 100	146 ms	27852 KB

power

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define pii pair<int,int>
#define all(x) x.begin(), x.end()
const int N = 200000;

vector <int> adj[N];
int sz[N], dp[N], ans[N];
string s;

void dfs(int v, int pa) {
	dp[v] = s[v] == '1';
	int tot = 0, mx = 0;
	for (int u : adj[v]) if (u != pa) {
		dfs(u, v);
		tot += dp[u], mx = max(mx, dp[u]);
	}
	dp[v] = max(dp[v], tot - (s[v] == '1'));
	ans[v] = max(dp[v], mx + (s[v] == '1'));
}

int main() {
	ios::sync_with_stdio(false), cin.tie(0);
	int n;
	cin >> n;
	for (int i = 0, u, v; i < n - 1; ++i) {
		cin >> u >> v, --u, --v;
		adj[u].pb(v), adj[v].pb(u);
	}
	cin >> s;
	dfs(0, -1);
	cout << *max_element(ans, ans + n) << '\n';
}

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	4 ms	5012 KB	Output is correct
5	Correct	3 ms	4948 KB	Output is correct
6	Correct	3 ms	4948 KB	Output is correct
7	Correct	3 ms	5024 KB	Output is correct
8	Correct	3 ms	4948 KB	Output is correct
9	Correct	3 ms	5028 KB	Output is correct
10	Correct	3 ms	5024 KB	Output is correct
11	Correct	3 ms	4948 KB	Output is correct
12	Correct	3 ms	5028 KB	Output is correct
13	Correct	3 ms	5024 KB	Output is correct
14	Correct	3 ms	5028 KB	Output is correct
15	Correct	3 ms	4948 KB	Output is correct
16	Correct	3 ms	4948 KB	Output is correct
17	Correct	3 ms	4948 KB	Output is correct
18	Correct	3 ms	5028 KB	Output is correct
19	Correct	3 ms	4948 KB	Output is correct
20	Correct	3 ms	4948 KB	Output is correct
21	Correct	3 ms	5020 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	4 ms	5012 KB	Output is correct
5	Correct	3 ms	4948 KB	Output is correct
6	Correct	3 ms	4948 KB	Output is correct
7	Correct	3 ms	5024 KB	Output is correct
8	Correct	3 ms	4948 KB	Output is correct
9	Correct	3 ms	5028 KB	Output is correct
10	Correct	3 ms	5024 KB	Output is correct
11	Correct	3 ms	4948 KB	Output is correct
12	Correct	3 ms	5028 KB	Output is correct
13	Correct	3 ms	5024 KB	Output is correct
14	Correct	3 ms	5028 KB	Output is correct
15	Correct	3 ms	4948 KB	Output is correct
16	Correct	3 ms	4948 KB	Output is correct
17	Correct	3 ms	4948 KB	Output is correct
18	Correct	3 ms	5028 KB	Output is correct
19	Correct	3 ms	4948 KB	Output is correct
20	Correct	3 ms	4948 KB	Output is correct
21	Correct	3 ms	5020 KB	Output is correct
22	Correct	3 ms	5040 KB	Output is correct
23	Correct	3 ms	5036 KB	Output is correct
24	Correct	3 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	5036 KB	Output is correct
29	Correct	5 ms	5212 KB	Output is correct
30	Correct	4 ms	5204 KB	Output is correct
31	Correct	4 ms	5040 KB	Output is correct
32	Correct	3 ms	5076 KB	Output is correct
33	Correct	3 ms	5076 KB	Output is correct
34	Correct	3 ms	5076 KB	Output is correct
35	Correct	3 ms	5032 KB	Output is correct
36	Correct	4 ms	5076 KB	Output is correct
37	Correct	3 ms	5088 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	5080 KB	Output is correct
42	Correct	3 ms	5036 KB	Output is correct
43	Correct	5 ms	5164 KB	Output is correct
44	Correct	4 ms	5204 KB	Output is correct
45	Correct	4 ms	5076 KB	Output is correct
46	Correct	3 ms	5032 KB	Output is correct
47	Correct	3 ms	5076 KB	Output is correct
48	Correct	3 ms	5204 KB	Output is correct
49	Correct	3 ms	5164 KB	Output is correct
50	Correct	4 ms	5080 KB	Output is correct
51	Correct	4 ms	5120 KB	Output is correct
52	Correct	4 ms	5036 KB	Output is correct
53	Correct	4 ms	5076 KB	Output is correct
54	Correct	5 ms	5168 KB	Output is correct
55	Correct	4 ms	5032 KB	Output is correct
56	Correct	3 ms	5076 KB	Output is correct
57	Correct	3 ms	5204 KB	Output is correct
58	Correct	3 ms	5040 KB	Output is correct
59	Correct	3 ms	5076 KB	Output is correct
60	Correct	4 ms	5204 KB	Output is correct
61	Correct	4 ms	5164 KB	Output is correct
62	Correct	3 ms	5220 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	4 ms	5012 KB	Output is correct
5	Correct	3 ms	4948 KB	Output is correct
6	Correct	3 ms	4948 KB	Output is correct
7	Correct	3 ms	5024 KB	Output is correct
8	Correct	3 ms	4948 KB	Output is correct
9	Correct	3 ms	5028 KB	Output is correct
10	Correct	3 ms	5024 KB	Output is correct
11	Correct	3 ms	4948 KB	Output is correct
12	Correct	3 ms	5028 KB	Output is correct
13	Correct	3 ms	5024 KB	Output is correct
14	Correct	3 ms	5028 KB	Output is correct
15	Correct	3 ms	4948 KB	Output is correct
16	Correct	3 ms	4948 KB	Output is correct
17	Correct	3 ms	4948 KB	Output is correct
18	Correct	3 ms	5028 KB	Output is correct
19	Correct	3 ms	4948 KB	Output is correct
20	Correct	3 ms	4948 KB	Output is correct
21	Correct	3 ms	5020 KB	Output is correct
22	Correct	3 ms	5040 KB	Output is correct
23	Correct	3 ms	5036 KB	Output is correct
24	Correct	3 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	5036 KB	Output is correct
29	Correct	5 ms	5212 KB	Output is correct
30	Correct	4 ms	5204 KB	Output is correct
31	Correct	4 ms	5040 KB	Output is correct
32	Correct	3 ms	5076 KB	Output is correct
33	Correct	3 ms	5076 KB	Output is correct
34	Correct	3 ms	5076 KB	Output is correct
35	Correct	3 ms	5032 KB	Output is correct
36	Correct	4 ms	5076 KB	Output is correct
37	Correct	3 ms	5088 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	5080 KB	Output is correct
42	Correct	3 ms	5036 KB	Output is correct
43	Correct	5 ms	5164 KB	Output is correct
44	Correct	4 ms	5204 KB	Output is correct
45	Correct	4 ms	5076 KB	Output is correct
46	Correct	3 ms	5032 KB	Output is correct
47	Correct	3 ms	5076 KB	Output is correct
48	Correct	3 ms	5204 KB	Output is correct
49	Correct	3 ms	5164 KB	Output is correct
50	Correct	4 ms	5080 KB	Output is correct
51	Correct	4 ms	5120 KB	Output is correct
52	Correct	4 ms	5036 KB	Output is correct
53	Correct	4 ms	5076 KB	Output is correct
54	Correct	5 ms	5168 KB	Output is correct
55	Correct	4 ms	5032 KB	Output is correct
56	Correct	3 ms	5076 KB	Output is correct
57	Correct	3 ms	5204 KB	Output is correct
58	Correct	3 ms	5040 KB	Output is correct
59	Correct	3 ms	5076 KB	Output is correct
60	Correct	4 ms	5204 KB	Output is correct
61	Correct	4 ms	5164 KB	Output is correct
62	Correct	3 ms	5220 KB	Output is correct
63	Correct	3 ms	5076 KB	Output is correct
64	Correct	111 ms	14124 KB	Output is correct
65	Correct	131 ms	14176 KB	Output is correct
66	Correct	135 ms	14080 KB	Output is correct
67	Correct	125 ms	14100 KB	Output is correct
68	Correct	130 ms	14072 KB	Output is correct
69	Correct	113 ms	14112 KB	Output is correct
70	Correct	110 ms	14044 KB	Output is correct
71	Correct	122 ms	14212 KB	Output is correct
72	Correct	134 ms	14112 KB	Output is correct
73	Correct	142 ms	26768 KB	Output is correct
74	Correct	141 ms	26692 KB	Output is correct
75	Correct	122 ms	14136 KB	Output is correct
76	Correct	114 ms	14008 KB	Output is correct
77	Correct	111 ms	14020 KB	Output is correct
78	Correct	144 ms	13976 KB	Output is correct
79	Correct	145 ms	14048 KB	Output is correct
80	Correct	119 ms	14032 KB	Output is correct
81	Correct	105 ms	14616 KB	Output is correct
82	Correct	124 ms	14500 KB	Output is correct
83	Correct	124 ms	19216 KB	Output is correct
84	Correct	143 ms	21392 KB	Output is correct
85	Correct	129 ms	21124 KB	Output is correct
86	Correct	127 ms	15428 KB	Output is correct
87	Correct	146 ms	14932 KB	Output is correct
88	Correct	125 ms	15528 KB	Output is correct
89	Correct	109 ms	15368 KB	Output is correct
90	Correct	117 ms	15116 KB	Output is correct
91	Correct	125 ms	15340 KB	Output is correct
92	Correct	122 ms	15748 KB	Output is correct
93	Correct	115 ms	18268 KB	Output is correct
94	Correct	109 ms	19908 KB	Output is correct
95	Correct	136 ms	18528 KB	Output is correct
96	Correct	124 ms	16680 KB	Output is correct
97	Correct	114 ms	15112 KB	Output is correct
98	Correct	133 ms	14732 KB	Output is correct
99	Correct	132 ms	14512 KB	Output is correct
100	Correct	121 ms	17780 KB	Output is correct
101	Correct	120 ms	15656 KB	Output is correct
102	Correct	135 ms	14852 KB	Output is correct
103	Correct	131 ms	14652 KB	Output is correct
104	Correct	66 ms	14912 KB	Output is correct
105	Correct	140 ms	23516 KB	Output is correct
106	Correct	84 ms	14888 KB	Output is correct
107	Correct	77 ms	14992 KB	Output is correct
108	Correct	139 ms	27412 KB	Output is correct
109	Correct	74 ms	14912 KB	Output is correct
110	Correct	137 ms	27852 KB	Output is correct
111	Correct	110 ms	13944 KB	Output is correct

답안 #683884

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