답안 #782954

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
782954	2023-07-14T12:30:34 Z	Kahou	Power Plant (JOI20_power)	C++14	100 / 100	112 ms	30068 KB

power

/* In the name of God, aka Allah */
#include<bits/stdc++.h>
using namespace std;
#define F first
#define S second
#define endl '\n'
#define mk make_pair
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int N = 2e5 + 50;
int n, dp[N][2];
int mark[N];
vector<int> adj[N];

void dfs(int u, int p=0) {
        for (int v:adj[u]) {
                if (v == p) continue;
                dfs(v, u);
                dp[u][0] = max(dp[u][0], max(dp[v][0], dp[v][1]+mark[u]));
                dp[u][1] += dp[v][1];
        }
        dp[u][1] = max(dp[u][1]-mark[u], mark[u]);
        dp[u][0] = max(dp[u][0], dp[u][1]);
}
void solve() {
        cin >> n;
        for (int i = 1; i <= n-1; i++) {
                int u, v;
                cin >> u >> v;
                adj[u].push_back(v);
                adj[v].push_back(u);
        }
        for (int i = 1; i <= n; i++) {
                char c;
                cin >> c;
                mark[i] = c-'0';
        }
        dfs(1);
        cout << dp[1][0] << endl;
}
int main() {
        ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
        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	2 ms	4948 KB	Output is correct
3	Correct	2 ms	5012 KB	Output is correct
4	Correct	3 ms	5028 KB	Output is correct
5	Correct	2 ms	5028 KB	Output is correct
6	Correct	2 ms	5028 KB	Output is correct
7	Correct	3 ms	4948 KB	Output is correct
8	Correct	2 ms	4948 KB	Output is correct
9	Correct	3 ms	5024 KB	Output is correct
10	Correct	3 ms	4948 KB	Output is correct
11	Correct	2 ms	4948 KB	Output is correct
12	Correct	2 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	4948 KB	Output is correct
16	Correct	3 ms	5028 KB	Output is correct
17	Correct	2 ms	5028 KB	Output is correct
18	Correct	3 ms	4948 KB	Output is correct
19	Correct	2 ms	4948 KB	Output is correct
20	Correct	2 ms	4948 KB	Output is correct
21	Correct	4 ms	5076 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	2 ms	4948 KB	Output is correct
3	Correct	2 ms	5012 KB	Output is correct
4	Correct	3 ms	5028 KB	Output is correct
5	Correct	2 ms	5028 KB	Output is correct
6	Correct	2 ms	5028 KB	Output is correct
7	Correct	3 ms	4948 KB	Output is correct
8	Correct	2 ms	4948 KB	Output is correct
9	Correct	3 ms	5024 KB	Output is correct
10	Correct	3 ms	4948 KB	Output is correct
11	Correct	2 ms	4948 KB	Output is correct
12	Correct	2 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	4948 KB	Output is correct
16	Correct	3 ms	5028 KB	Output is correct
17	Correct	2 ms	5028 KB	Output is correct
18	Correct	3 ms	4948 KB	Output is correct
19	Correct	2 ms	4948 KB	Output is correct
20	Correct	2 ms	4948 KB	Output is correct
21	Correct	4 ms	5076 KB	Output is correct
22	Correct	4 ms	5040 KB	Output is correct
23	Correct	4 ms	5076 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	5036 KB	Output is correct
27	Correct	3 ms	5076 KB	Output is correct
28	Correct	3 ms	5164 KB	Output is correct
29	Correct	3 ms	5204 KB	Output is correct
30	Correct	3 ms	5204 KB	Output is correct
31	Correct	3 ms	5084 KB	Output is correct
32	Correct	3 ms	5084 KB	Output is correct
33	Correct	3 ms	5040 KB	Output is correct
34	Correct	3 ms	5076 KB	Output is correct
35	Correct	3 ms	5076 KB	Output is correct
36	Correct	3 ms	5076 KB	Output is correct
37	Correct	3 ms	5040 KB	Output is correct
38	Correct	3 ms	5076 KB	Output is correct
39	Correct	3 ms	5164 KB	Output is correct
40	Correct	3 ms	5076 KB	Output is correct
41	Correct	3 ms	5076 KB	Output is correct
42	Correct	3 ms	5076 KB	Output is correct
43	Correct	3 ms	5036 KB	Output is correct
44	Correct	3 ms	5168 KB	Output is correct
45	Correct	3 ms	5076 KB	Output is correct
46	Correct	3 ms	5164 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	5204 KB	Output is correct
50	Correct	3 ms	5172 KB	Output is correct
51	Correct	3 ms	5076 KB	Output is correct
52	Correct	3 ms	5076 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	5164 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	5168 KB	Output is correct
61	Correct	4 ms	5036 KB	Output is correct
62	Correct	3 ms	5204 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	2 ms	4948 KB	Output is correct
3	Correct	2 ms	5012 KB	Output is correct
4	Correct	3 ms	5028 KB	Output is correct
5	Correct	2 ms	5028 KB	Output is correct
6	Correct	2 ms	5028 KB	Output is correct
7	Correct	3 ms	4948 KB	Output is correct
8	Correct	2 ms	4948 KB	Output is correct
9	Correct	3 ms	5024 KB	Output is correct
10	Correct	3 ms	4948 KB	Output is correct
11	Correct	2 ms	4948 KB	Output is correct
12	Correct	2 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	4948 KB	Output is correct
16	Correct	3 ms	5028 KB	Output is correct
17	Correct	2 ms	5028 KB	Output is correct
18	Correct	3 ms	4948 KB	Output is correct
19	Correct	2 ms	4948 KB	Output is correct
20	Correct	2 ms	4948 KB	Output is correct
21	Correct	4 ms	5076 KB	Output is correct
22	Correct	4 ms	5040 KB	Output is correct
23	Correct	4 ms	5076 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	5036 KB	Output is correct
27	Correct	3 ms	5076 KB	Output is correct
28	Correct	3 ms	5164 KB	Output is correct
29	Correct	3 ms	5204 KB	Output is correct
30	Correct	3 ms	5204 KB	Output is correct
31	Correct	3 ms	5084 KB	Output is correct
32	Correct	3 ms	5084 KB	Output is correct
33	Correct	3 ms	5040 KB	Output is correct
34	Correct	3 ms	5076 KB	Output is correct
35	Correct	3 ms	5076 KB	Output is correct
36	Correct	3 ms	5076 KB	Output is correct
37	Correct	3 ms	5040 KB	Output is correct
38	Correct	3 ms	5076 KB	Output is correct
39	Correct	3 ms	5164 KB	Output is correct
40	Correct	3 ms	5076 KB	Output is correct
41	Correct	3 ms	5076 KB	Output is correct
42	Correct	3 ms	5076 KB	Output is correct
43	Correct	3 ms	5036 KB	Output is correct
44	Correct	3 ms	5168 KB	Output is correct
45	Correct	3 ms	5076 KB	Output is correct
46	Correct	3 ms	5164 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	5204 KB	Output is correct
50	Correct	3 ms	5172 KB	Output is correct
51	Correct	3 ms	5076 KB	Output is correct
52	Correct	3 ms	5076 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	5164 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	5168 KB	Output is correct
61	Correct	4 ms	5036 KB	Output is correct
62	Correct	3 ms	5204 KB	Output is correct
63	Correct	3 ms	5076 KB	Output is correct
64	Correct	97 ms	16424 KB	Output is correct
65	Correct	77 ms	16344 KB	Output is correct
66	Correct	69 ms	16380 KB	Output is correct
67	Correct	69 ms	16348 KB	Output is correct
68	Correct	92 ms	16332 KB	Output is correct
69	Correct	94 ms	16400 KB	Output is correct
70	Correct	67 ms	16336 KB	Output is correct
71	Correct	69 ms	16320 KB	Output is correct
72	Correct	97 ms	16340 KB	Output is correct
73	Correct	107 ms	28984 KB	Output is correct
74	Correct	93 ms	28892 KB	Output is correct
75	Correct	66 ms	16204 KB	Output is correct
76	Correct	65 ms	16264 KB	Output is correct
77	Correct	94 ms	16232 KB	Output is correct
78	Correct	89 ms	16308 KB	Output is correct
79	Correct	71 ms	16204 KB	Output is correct
80	Correct	112 ms	16276 KB	Output is correct
81	Correct	60 ms	16572 KB	Output is correct
82	Correct	78 ms	16508 KB	Output is correct
83	Correct	84 ms	21512 KB	Output is correct
84	Correct	82 ms	23672 KB	Output is correct
85	Correct	82 ms	23244 KB	Output is correct
86	Correct	76 ms	17692 KB	Output is correct
87	Correct	69 ms	17084 KB	Output is correct
88	Correct	70 ms	17648 KB	Output is correct
89	Correct	86 ms	17660 KB	Output is correct
90	Correct	69 ms	17380 KB	Output is correct
91	Correct	78 ms	17744 KB	Output is correct
92	Correct	86 ms	18004 KB	Output is correct
93	Correct	78 ms	20284 KB	Output is correct
94	Correct	68 ms	22040 KB	Output is correct
95	Correct	66 ms	20752 KB	Output is correct
96	Correct	82 ms	19148 KB	Output is correct
97	Correct	73 ms	17456 KB	Output is correct
98	Correct	64 ms	16976 KB	Output is correct
99	Correct	95 ms	16716 KB	Output is correct
100	Correct	81 ms	19956 KB	Output is correct
101	Correct	69 ms	17924 KB	Output is correct
102	Correct	78 ms	17200 KB	Output is correct
103	Correct	100 ms	17008 KB	Output is correct
104	Correct	59 ms	17108 KB	Output is correct
105	Correct	83 ms	25772 KB	Output is correct
106	Correct	46 ms	17032 KB	Output is correct
107	Correct	46 ms	17020 KB	Output is correct
108	Correct	84 ms	29732 KB	Output is correct
109	Correct	49 ms	17140 KB	Output is correct
110	Correct	85 ms	30068 KB	Output is correct
111	Correct	79 ms	16208 KB	Output is correct

답안 #782954

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