답안 #1113931

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1113931	2024-11-17T20:48:48 Z	Dan4Life	Power Plant (JOI20_power)	C++17	100 / 100	127 ms	34500 KB

power

#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) begin(a),end(a)
const int N = (int)2e5+2;
int n;
string gen;
vector<int> adj[N];
int dp[N], ans;

int dfs(int s, int p){
	vector<int> v; v.clear();
	for(auto u : adj[s]){
		if(u==p) continue;
		dfs(u,s); v.pb(dp[u]);
	}
	int sum = 0, best = 0, ok = (gen[s]=='1');
	for(auto u : v) sum+=u, best=max(best,u);
	ans = max({ans, sum-ok, best+ok});
	dp[s] = max(ok,sum-ok); return ans;
}

int main(){
	ios_base::sync_with_stdio(false); cin.tie(0);
	cin >> n;
	for(int i = 1; i < n; i++){
		int a, b; cin >> a >> b;
		adj[a].pb(b), adj[b].pb(a);
	}
	cin >> gen; gen='$'+gen;
	cout << dfs(1,-1) << "\n";
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	5712 KB	Output is correct
2	Correct	3 ms	5712 KB	Output is correct
3	Correct	2 ms	5712 KB	Output is correct
4	Correct	2 ms	5712 KB	Output is correct
5	Correct	2 ms	5768 KB	Output is correct
6	Correct	3 ms	5880 KB	Output is correct
7	Correct	2 ms	5712 KB	Output is correct
8	Correct	2 ms	5712 KB	Output is correct
9	Correct	3 ms	5712 KB	Output is correct
10	Correct	2 ms	5712 KB	Output is correct
11	Correct	2 ms	5712 KB	Output is correct
12	Correct	2 ms	5712 KB	Output is correct
13	Correct	3 ms	5712 KB	Output is correct
14	Correct	3 ms	5712 KB	Output is correct
15	Correct	2 ms	5712 KB	Output is correct
16	Correct	2 ms	5712 KB	Output is correct
17	Correct	2 ms	5712 KB	Output is correct
18	Correct	2 ms	5712 KB	Output is correct
19	Correct	3 ms	5712 KB	Output is correct
20	Correct	4 ms	5968 KB	Output is correct
21	Correct	2 ms	5712 KB	Output is correct

Subtask #2
41.0 / 41.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	5712 KB	Output is correct
2	Correct	3 ms	5712 KB	Output is correct
3	Correct	2 ms	5712 KB	Output is correct
4	Correct	2 ms	5712 KB	Output is correct
5	Correct	2 ms	5768 KB	Output is correct
6	Correct	3 ms	5880 KB	Output is correct
7	Correct	2 ms	5712 KB	Output is correct
8	Correct	2 ms	5712 KB	Output is correct
9	Correct	3 ms	5712 KB	Output is correct
10	Correct	2 ms	5712 KB	Output is correct
11	Correct	2 ms	5712 KB	Output is correct
12	Correct	2 ms	5712 KB	Output is correct
13	Correct	3 ms	5712 KB	Output is correct
14	Correct	3 ms	5712 KB	Output is correct
15	Correct	2 ms	5712 KB	Output is correct
16	Correct	2 ms	5712 KB	Output is correct
17	Correct	2 ms	5712 KB	Output is correct
18	Correct	2 ms	5712 KB	Output is correct
19	Correct	3 ms	5712 KB	Output is correct
20	Correct	4 ms	5968 KB	Output is correct
21	Correct	2 ms	5712 KB	Output is correct
22	Correct	3 ms	5712 KB	Output is correct
23	Correct	3 ms	5712 KB	Output is correct
24	Correct	3 ms	5880 KB	Output is correct
25	Correct	3 ms	5712 KB	Output is correct
26	Correct	2 ms	5712 KB	Output is correct
27	Correct	3 ms	5712 KB	Output is correct
28	Correct	3 ms	5712 KB	Output is correct
29	Correct	3 ms	5968 KB	Output is correct
30	Correct	3 ms	5968 KB	Output is correct
31	Correct	3 ms	5712 KB	Output is correct
32	Correct	3 ms	5824 KB	Output is correct
33	Correct	3 ms	5712 KB	Output is correct
34	Correct	2 ms	5712 KB	Output is correct
35	Correct	3 ms	5712 KB	Output is correct
36	Correct	3 ms	5712 KB	Output is correct
37	Correct	3 ms	5712 KB	Output is correct
38	Correct	3 ms	5712 KB	Output is correct
39	Correct	3 ms	5968 KB	Output is correct
40	Correct	3 ms	5724 KB	Output is correct
41	Correct	3 ms	5712 KB	Output is correct
42	Correct	3 ms	5712 KB	Output is correct
43	Correct	4 ms	5712 KB	Output is correct
44	Correct	3 ms	5944 KB	Output is correct
45	Correct	3 ms	5712 KB	Output is correct
46	Correct	3 ms	5712 KB	Output is correct
47	Correct	3 ms	5712 KB	Output is correct
48	Correct	3 ms	5968 KB	Output is correct
49	Correct	3 ms	5968 KB	Output is correct
50	Correct	4 ms	5712 KB	Output is correct
51	Correct	3 ms	5712 KB	Output is correct
52	Correct	3 ms	5712 KB	Output is correct
53	Correct	3 ms	5712 KB	Output is correct
54	Correct	3 ms	5712 KB	Output is correct
55	Correct	3 ms	5712 KB	Output is correct
56	Correct	3 ms	5712 KB	Output is correct
57	Correct	4 ms	5968 KB	Output is correct
58	Correct	3 ms	5880 KB	Output is correct
59	Correct	3 ms	5896 KB	Output is correct
60	Correct	3 ms	5848 KB	Output is correct
61	Correct	3 ms	5712 KB	Output is correct
62	Correct	4 ms	5780 KB	Output is correct
63	Correct	3 ms	5712 KB	Output is correct

Subtask #3
53.0 / 53.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	5712 KB	Output is correct
2	Correct	3 ms	5712 KB	Output is correct
3	Correct	2 ms	5712 KB	Output is correct
4	Correct	2 ms	5712 KB	Output is correct
5	Correct	2 ms	5768 KB	Output is correct
6	Correct	3 ms	5880 KB	Output is correct
7	Correct	2 ms	5712 KB	Output is correct
8	Correct	2 ms	5712 KB	Output is correct
9	Correct	3 ms	5712 KB	Output is correct
10	Correct	2 ms	5712 KB	Output is correct
11	Correct	2 ms	5712 KB	Output is correct
12	Correct	2 ms	5712 KB	Output is correct
13	Correct	3 ms	5712 KB	Output is correct
14	Correct	3 ms	5712 KB	Output is correct
15	Correct	2 ms	5712 KB	Output is correct
16	Correct	2 ms	5712 KB	Output is correct
17	Correct	2 ms	5712 KB	Output is correct
18	Correct	2 ms	5712 KB	Output is correct
19	Correct	3 ms	5712 KB	Output is correct
20	Correct	4 ms	5968 KB	Output is correct
21	Correct	2 ms	5712 KB	Output is correct
22	Correct	3 ms	5712 KB	Output is correct
23	Correct	3 ms	5712 KB	Output is correct
24	Correct	3 ms	5880 KB	Output is correct
25	Correct	3 ms	5712 KB	Output is correct
26	Correct	2 ms	5712 KB	Output is correct
27	Correct	3 ms	5712 KB	Output is correct
28	Correct	3 ms	5712 KB	Output is correct
29	Correct	3 ms	5968 KB	Output is correct
30	Correct	3 ms	5968 KB	Output is correct
31	Correct	3 ms	5712 KB	Output is correct
32	Correct	3 ms	5824 KB	Output is correct
33	Correct	3 ms	5712 KB	Output is correct
34	Correct	2 ms	5712 KB	Output is correct
35	Correct	3 ms	5712 KB	Output is correct
36	Correct	3 ms	5712 KB	Output is correct
37	Correct	3 ms	5712 KB	Output is correct
38	Correct	3 ms	5712 KB	Output is correct
39	Correct	3 ms	5968 KB	Output is correct
40	Correct	3 ms	5724 KB	Output is correct
41	Correct	3 ms	5712 KB	Output is correct
42	Correct	3 ms	5712 KB	Output is correct
43	Correct	4 ms	5712 KB	Output is correct
44	Correct	3 ms	5944 KB	Output is correct
45	Correct	3 ms	5712 KB	Output is correct
46	Correct	3 ms	5712 KB	Output is correct
47	Correct	3 ms	5712 KB	Output is correct
48	Correct	3 ms	5968 KB	Output is correct
49	Correct	3 ms	5968 KB	Output is correct
50	Correct	4 ms	5712 KB	Output is correct
51	Correct	3 ms	5712 KB	Output is correct
52	Correct	3 ms	5712 KB	Output is correct
53	Correct	3 ms	5712 KB	Output is correct
54	Correct	3 ms	5712 KB	Output is correct
55	Correct	3 ms	5712 KB	Output is correct
56	Correct	3 ms	5712 KB	Output is correct
57	Correct	4 ms	5968 KB	Output is correct
58	Correct	3 ms	5880 KB	Output is correct
59	Correct	3 ms	5896 KB	Output is correct
60	Correct	3 ms	5848 KB	Output is correct
61	Correct	3 ms	5712 KB	Output is correct
62	Correct	4 ms	5780 KB	Output is correct
63	Correct	3 ms	5712 KB	Output is correct
64	Correct	72 ms	15312 KB	Output is correct
65	Correct	65 ms	15308 KB	Output is correct
66	Correct	71 ms	15284 KB	Output is correct
67	Correct	66 ms	15308 KB	Output is correct
68	Correct	60 ms	15284 KB	Output is correct
69	Correct	65 ms	15300 KB	Output is correct
70	Correct	60 ms	15268 KB	Output is correct
71	Correct	61 ms	15312 KB	Output is correct
72	Correct	65 ms	15224 KB	Output is correct
73	Correct	107 ms	33040 KB	Output is correct
74	Correct	89 ms	32964 KB	Output is correct
75	Correct	68 ms	15120 KB	Output is correct
76	Correct	57 ms	15208 KB	Output is correct
77	Correct	61 ms	15236 KB	Output is correct
78	Correct	60 ms	15240 KB	Output is correct
79	Correct	59 ms	15248 KB	Output is correct
80	Correct	57 ms	15236 KB	Output is correct
81	Correct	58 ms	16060 KB	Output is correct
82	Correct	60 ms	15604 KB	Output is correct
83	Correct	78 ms	22728 KB	Output is correct
84	Correct	75 ms	26068 KB	Output is correct
85	Correct	85 ms	25380 KB	Output is correct
86	Correct	88 ms	17296 KB	Output is correct
87	Correct	64 ms	16320 KB	Output is correct
88	Correct	61 ms	16648 KB	Output is correct
89	Correct	58 ms	16848 KB	Output is correct
90	Correct	61 ms	16396 KB	Output is correct
91	Correct	61 ms	16804 KB	Output is correct
92	Correct	77 ms	17120 KB	Output is correct
93	Correct	83 ms	20992 KB	Output is correct
94	Correct	87 ms	23112 KB	Output is correct
95	Correct	66 ms	21628 KB	Output is correct
96	Correct	84 ms	18616 KB	Output is correct
97	Correct	63 ms	16464 KB	Output is correct
98	Correct	86 ms	15860 KB	Output is correct
99	Correct	67 ms	15552 KB	Output is correct
100	Correct	86 ms	20040 KB	Output is correct
101	Correct	95 ms	17180 KB	Output is correct
102	Correct	82 ms	16020 KB	Output is correct
103	Correct	71 ms	15776 KB	Output is correct
104	Correct	59 ms	17504 KB	Output is correct
105	Correct	89 ms	28356 KB	Output is correct
106	Correct	49 ms	17340 KB	Output is correct
107	Correct	50 ms	17296 KB	Output is correct
108	Correct	94 ms	33992 KB	Output is correct
109	Correct	59 ms	17324 KB	Output is correct
110	Correct	127 ms	34500 KB	Output is correct
111	Correct	57 ms	15232 KB	Output is correct

답안 #1113931

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