답안 #399952

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
399952	2021-05-07T00:36:05 Z	nikatamliani	Power Plant (JOI20_power)	C++14	100 / 100	168 ms	31592 KB

power

#include <bits/stdc++.h>
using namespace std;
const int N = 2e5+10;
vector<int> edges[N];
int dp[N], ans, n;
string s;
void solve(int x, int p) {
	int sum = 0, maxi = 0;
	for(int to : edges[x]) {
		if(to != p) {
			solve(to, x);
			sum += dp[to];
			maxi = max(maxi, dp[to]);
		}
	}
	if(s[x] == '1') {
		dp[x] = max(sum-1, 1);
		ans = max(ans, maxi+1);
		ans = max(ans, sum-1);
	} else {
		dp[x] = sum;
		ans = max(ans, sum);
	}
	ans = max(ans, dp[x]);
}
int main() {
	ios::sync_with_stdio(0); cin.tie(0);
	cin >> n;
	for(int i = 0; i < n-1; ++i) {
		int u, v; cin >> u >> v;
		edges[u].push_back(v);
		edges[v].push_back(u);
	}
	cin >> s; s = "@" + s;
	solve(1, 0);
	cout << ans << endl;
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	4944 KB	Output is correct
2	Correct	3 ms	4940 KB	Output is correct
3	Correct	3 ms	4940 KB	Output is correct
4	Correct	3 ms	4940 KB	Output is correct
5	Correct	3 ms	4940 KB	Output is correct
6	Correct	3 ms	5024 KB	Output is correct
7	Correct	3 ms	4940 KB	Output is correct
8	Correct	4 ms	4940 KB	Output is correct
9	Correct	3 ms	4940 KB	Output is correct
10	Correct	3 ms	4940 KB	Output is correct
11	Correct	3 ms	4940 KB	Output is correct
12	Correct	3 ms	4908 KB	Output is correct
13	Correct	3 ms	5060 KB	Output is correct
14	Correct	3 ms	4940 KB	Output is correct
15	Correct	3 ms	5020 KB	Output is correct
16	Correct	3 ms	5028 KB	Output is correct
17	Correct	4 ms	4940 KB	Output is correct
18	Correct	3 ms	5024 KB	Output is correct
19	Correct	4 ms	4940 KB	Output is correct
20	Correct	3 ms	4940 KB	Output is correct
21	Correct	3 ms	4940 KB	Output is correct

Subtask #2
41.0 / 41.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	4944 KB	Output is correct
2	Correct	3 ms	4940 KB	Output is correct
3	Correct	3 ms	4940 KB	Output is correct
4	Correct	3 ms	4940 KB	Output is correct
5	Correct	3 ms	4940 KB	Output is correct
6	Correct	3 ms	5024 KB	Output is correct
7	Correct	3 ms	4940 KB	Output is correct
8	Correct	4 ms	4940 KB	Output is correct
9	Correct	3 ms	4940 KB	Output is correct
10	Correct	3 ms	4940 KB	Output is correct
11	Correct	3 ms	4940 KB	Output is correct
12	Correct	3 ms	4908 KB	Output is correct
13	Correct	3 ms	5060 KB	Output is correct
14	Correct	3 ms	4940 KB	Output is correct
15	Correct	3 ms	5020 KB	Output is correct
16	Correct	3 ms	5028 KB	Output is correct
17	Correct	4 ms	4940 KB	Output is correct
18	Correct	3 ms	5024 KB	Output is correct
19	Correct	4 ms	4940 KB	Output is correct
20	Correct	3 ms	4940 KB	Output is correct
21	Correct	3 ms	4940 KB	Output is correct
22	Correct	4 ms	5068 KB	Output is correct
23	Correct	4 ms	5068 KB	Output is correct
24	Correct	4 ms	5068 KB	Output is correct
25	Correct	4 ms	5068 KB	Output is correct
26	Correct	4 ms	5068 KB	Output is correct
27	Correct	4 ms	5068 KB	Output is correct
28	Correct	5 ms	5120 KB	Output is correct
29	Correct	4 ms	5196 KB	Output is correct
30	Correct	4 ms	5168 KB	Output is correct
31	Correct	4 ms	5068 KB	Output is correct
32	Correct	4 ms	5040 KB	Output is correct
33	Correct	4 ms	5068 KB	Output is correct
34	Correct	4 ms	5068 KB	Output is correct
35	Correct	4 ms	5036 KB	Output is correct
36	Correct	4 ms	5068 KB	Output is correct
37	Correct	4 ms	5068 KB	Output is correct
38	Correct	4 ms	5068 KB	Output is correct
39	Correct	4 ms	5196 KB	Output is correct
40	Correct	4 ms	5068 KB	Output is correct
41	Correct	4 ms	5196 KB	Output is correct
42	Correct	4 ms	5044 KB	Output is correct
43	Correct	4 ms	5068 KB	Output is correct
44	Correct	4 ms	5068 KB	Output is correct
45	Correct	4 ms	5068 KB	Output is correct
46	Correct	4 ms	5068 KB	Output is correct
47	Correct	4 ms	5068 KB	Output is correct
48	Correct	4 ms	5196 KB	Output is correct
49	Correct	4 ms	5196 KB	Output is correct
50	Correct	4 ms	5168 KB	Output is correct
51	Correct	4 ms	5172 KB	Output is correct
52	Correct	4 ms	5040 KB	Output is correct
53	Correct	4 ms	5068 KB	Output is correct
54	Correct	5 ms	5068 KB	Output is correct
55	Correct	4 ms	5068 KB	Output is correct
56	Correct	4 ms	5040 KB	Output is correct
57	Correct	4 ms	5196 KB	Output is correct
58	Correct	4 ms	5068 KB	Output is correct
59	Correct	4 ms	5068 KB	Output is correct
60	Correct	4 ms	5164 KB	Output is correct
61	Correct	4 ms	5068 KB	Output is correct
62	Correct	4 ms	5200 KB	Output is correct
63	Correct	4 ms	5068 KB	Output is correct

Subtask #3
53.0 / 53.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	4944 KB	Output is correct
2	Correct	3 ms	4940 KB	Output is correct
3	Correct	3 ms	4940 KB	Output is correct
4	Correct	3 ms	4940 KB	Output is correct
5	Correct	3 ms	4940 KB	Output is correct
6	Correct	3 ms	5024 KB	Output is correct
7	Correct	3 ms	4940 KB	Output is correct
8	Correct	4 ms	4940 KB	Output is correct
9	Correct	3 ms	4940 KB	Output is correct
10	Correct	3 ms	4940 KB	Output is correct
11	Correct	3 ms	4940 KB	Output is correct
12	Correct	3 ms	4908 KB	Output is correct
13	Correct	3 ms	5060 KB	Output is correct
14	Correct	3 ms	4940 KB	Output is correct
15	Correct	3 ms	5020 KB	Output is correct
16	Correct	3 ms	5028 KB	Output is correct
17	Correct	4 ms	4940 KB	Output is correct
18	Correct	3 ms	5024 KB	Output is correct
19	Correct	4 ms	4940 KB	Output is correct
20	Correct	3 ms	4940 KB	Output is correct
21	Correct	3 ms	4940 KB	Output is correct
22	Correct	4 ms	5068 KB	Output is correct
23	Correct	4 ms	5068 KB	Output is correct
24	Correct	4 ms	5068 KB	Output is correct
25	Correct	4 ms	5068 KB	Output is correct
26	Correct	4 ms	5068 KB	Output is correct
27	Correct	4 ms	5068 KB	Output is correct
28	Correct	5 ms	5120 KB	Output is correct
29	Correct	4 ms	5196 KB	Output is correct
30	Correct	4 ms	5168 KB	Output is correct
31	Correct	4 ms	5068 KB	Output is correct
32	Correct	4 ms	5040 KB	Output is correct
33	Correct	4 ms	5068 KB	Output is correct
34	Correct	4 ms	5068 KB	Output is correct
35	Correct	4 ms	5036 KB	Output is correct
36	Correct	4 ms	5068 KB	Output is correct
37	Correct	4 ms	5068 KB	Output is correct
38	Correct	4 ms	5068 KB	Output is correct
39	Correct	4 ms	5196 KB	Output is correct
40	Correct	4 ms	5068 KB	Output is correct
41	Correct	4 ms	5196 KB	Output is correct
42	Correct	4 ms	5044 KB	Output is correct
43	Correct	4 ms	5068 KB	Output is correct
44	Correct	4 ms	5068 KB	Output is correct
45	Correct	4 ms	5068 KB	Output is correct
46	Correct	4 ms	5068 KB	Output is correct
47	Correct	4 ms	5068 KB	Output is correct
48	Correct	4 ms	5196 KB	Output is correct
49	Correct	4 ms	5196 KB	Output is correct
50	Correct	4 ms	5168 KB	Output is correct
51	Correct	4 ms	5172 KB	Output is correct
52	Correct	4 ms	5040 KB	Output is correct
53	Correct	4 ms	5068 KB	Output is correct
54	Correct	5 ms	5068 KB	Output is correct
55	Correct	4 ms	5068 KB	Output is correct
56	Correct	4 ms	5040 KB	Output is correct
57	Correct	4 ms	5196 KB	Output is correct
58	Correct	4 ms	5068 KB	Output is correct
59	Correct	4 ms	5068 KB	Output is correct
60	Correct	4 ms	5164 KB	Output is correct
61	Correct	4 ms	5068 KB	Output is correct
62	Correct	4 ms	5200 KB	Output is correct
63	Correct	4 ms	5068 KB	Output is correct
64	Correct	131 ms	15152 KB	Output is correct
65	Correct	131 ms	15132 KB	Output is correct
66	Correct	135 ms	15196 KB	Output is correct
67	Correct	129 ms	15168 KB	Output is correct
68	Correct	137 ms	15148 KB	Output is correct
69	Correct	130 ms	15112 KB	Output is correct
70	Correct	129 ms	15184 KB	Output is correct
71	Correct	129 ms	15092 KB	Output is correct
72	Correct	140 ms	15164 KB	Output is correct
73	Correct	146 ms	30272 KB	Output is correct
74	Correct	154 ms	30272 KB	Output is correct
75	Correct	126 ms	15036 KB	Output is correct
76	Correct	128 ms	15024 KB	Output is correct
77	Correct	136 ms	15052 KB	Output is correct
78	Correct	133 ms	15036 KB	Output is correct
79	Correct	134 ms	15016 KB	Output is correct
80	Correct	131 ms	15060 KB	Output is correct
81	Correct	110 ms	15492 KB	Output is correct
82	Correct	122 ms	15192 KB	Output is correct
83	Correct	140 ms	21256 KB	Output is correct
84	Correct	158 ms	23964 KB	Output is correct
85	Correct	148 ms	23452 KB	Output is correct
86	Correct	137 ms	16756 KB	Output is correct
87	Correct	137 ms	16060 KB	Output is correct
88	Correct	141 ms	16608 KB	Output is correct
89	Correct	125 ms	16548 KB	Output is correct
90	Correct	133 ms	16272 KB	Output is correct
91	Correct	159 ms	16608 KB	Output is correct
92	Correct	147 ms	16936 KB	Output is correct
93	Correct	129 ms	19848 KB	Output is correct
94	Correct	124 ms	22028 KB	Output is correct
95	Correct	126 ms	20316 KB	Output is correct
96	Correct	142 ms	18272 KB	Output is correct
97	Correct	132 ms	16280 KB	Output is correct
98	Correct	124 ms	15700 KB	Output is correct
99	Correct	133 ms	15548 KB	Output is correct
100	Correct	131 ms	19368 KB	Output is correct
101	Correct	137 ms	16980 KB	Output is correct
102	Correct	123 ms	16012 KB	Output is correct
103	Correct	132 ms	15740 KB	Output is correct
104	Correct	83 ms	16028 KB	Output is correct
105	Correct	168 ms	26572 KB	Output is correct
106	Correct	83 ms	15924 KB	Output is correct
107	Correct	82 ms	15876 KB	Output is correct
108	Correct	160 ms	31272 KB	Output is correct
109	Correct	84 ms	16056 KB	Output is correct
110	Correct	163 ms	31592 KB	Output is correct
111	Correct	128 ms	15044 KB	Output is correct

답안 #399952

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