답안 #488537

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
488537	2021-11-19T13:52:33 Z	AdamGS	Power Plant (JOI20_power)	C++14	100 / 100	140 ms	28812 KB

power

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const int LIM=2e5+7;
vector<int>V[LIM];
int dp[LIM], ans;
string S;
void DFS(int x, int o) {
	for(auto i : V[x]) if(i!=o) {
		DFS(i, x);
		if(S[x]=='1') ans=max(ans, dp[i]+1);
		dp[x]+=dp[i];
	}
	if(S[x]=='1') --dp[x];
	dp[x]=max(dp[x], S[x]-'0');
	ans=max(ans, dp[x]);
}
int main() {
	ios_base::sync_with_stdio(0); cin.tie(0);
	int n;
	cin >> n;
	rep(i, n-1) {
		int a, b;
		cin >> a >> b; --a; --b;
		V[a].pb(b);
		V[b].pb(a);
	}
	cin >> S;
	DFS(0, 0);
	cout << ans << '\n';
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	5076 KB	Output is correct
2	Correct	3 ms	5016 KB	Output is correct
3	Correct	3 ms	4944 KB	Output is correct
4	Correct	3 ms	5016 KB	Output is correct
5	Correct	2 ms	4944 KB	Output is correct
6	Correct	3 ms	4924 KB	Output is correct
7	Correct	3 ms	5020 KB	Output is correct
8	Correct	3 ms	4944 KB	Output is correct
9	Correct	2 ms	4944 KB	Output is correct
10	Correct	3 ms	5020 KB	Output is correct
11	Correct	2 ms	4944 KB	Output is correct
12	Correct	3 ms	4944 KB	Output is correct
13	Correct	3 ms	4944 KB	Output is correct
14	Correct	2 ms	4944 KB	Output is correct
15	Correct	3 ms	4944 KB	Output is correct
16	Correct	2 ms	4944 KB	Output is correct
17	Correct	2 ms	4944 KB	Output is correct
18	Correct	3 ms	4944 KB	Output is correct
19	Correct	3 ms	5016 KB	Output is correct
20	Correct	3 ms	4944 KB	Output is correct
21	Correct	3 ms	4944 KB	Output is correct

Subtask #2
41.0 / 41.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	5076 KB	Output is correct
2	Correct	3 ms	5016 KB	Output is correct
3	Correct	3 ms	4944 KB	Output is correct
4	Correct	3 ms	5016 KB	Output is correct
5	Correct	2 ms	4944 KB	Output is correct
6	Correct	3 ms	4924 KB	Output is correct
7	Correct	3 ms	5020 KB	Output is correct
8	Correct	3 ms	4944 KB	Output is correct
9	Correct	2 ms	4944 KB	Output is correct
10	Correct	3 ms	5020 KB	Output is correct
11	Correct	2 ms	4944 KB	Output is correct
12	Correct	3 ms	4944 KB	Output is correct
13	Correct	3 ms	4944 KB	Output is correct
14	Correct	2 ms	4944 KB	Output is correct
15	Correct	3 ms	4944 KB	Output is correct
16	Correct	2 ms	4944 KB	Output is correct
17	Correct	2 ms	4944 KB	Output is correct
18	Correct	3 ms	4944 KB	Output is correct
19	Correct	3 ms	5016 KB	Output is correct
20	Correct	3 ms	4944 KB	Output is correct
21	Correct	3 ms	4944 KB	Output is correct
22	Correct	3 ms	5072 KB	Output is correct
23	Correct	3 ms	5072 KB	Output is correct
24	Correct	3 ms	5072 KB	Output is correct
25	Correct	3 ms	5072 KB	Output is correct
26	Correct	3 ms	5072 KB	Output is correct
27	Correct	3 ms	5072 KB	Output is correct
28	Correct	3 ms	5072 KB	Output is correct
29	Correct	3 ms	5200 KB	Output is correct
30	Correct	4 ms	5164 KB	Output is correct
31	Correct	3 ms	5072 KB	Output is correct
32	Correct	3 ms	5072 KB	Output is correct
33	Correct	4 ms	5072 KB	Output is correct
34	Correct	4 ms	5072 KB	Output is correct
35	Correct	3 ms	5072 KB	Output is correct
36	Correct	3 ms	5072 KB	Output is correct
37	Correct	4 ms	5028 KB	Output is correct
38	Correct	3 ms	5072 KB	Output is correct
39	Correct	3 ms	5156 KB	Output is correct
40	Correct	3 ms	5072 KB	Output is correct
41	Correct	3 ms	5072 KB	Output is correct
42	Correct	4 ms	5072 KB	Output is correct
43	Correct	3 ms	5072 KB	Output is correct
44	Correct	3 ms	5072 KB	Output is correct
45	Correct	3 ms	5072 KB	Output is correct
46	Correct	3 ms	5028 KB	Output is correct
47	Correct	3 ms	5072 KB	Output is correct
48	Correct	3 ms	5060 KB	Output is correct
49	Correct	3 ms	5072 KB	Output is correct
50	Correct	3 ms	5072 KB	Output is correct
51	Correct	3 ms	5072 KB	Output is correct
52	Correct	3 ms	5072 KB	Output is correct
53	Correct	3 ms	5072 KB	Output is correct
54	Correct	3 ms	5132 KB	Output is correct
55	Correct	3 ms	5072 KB	Output is correct
56	Correct	3 ms	5072 KB	Output is correct
57	Correct	3 ms	5200 KB	Output is correct
58	Correct	3 ms	5072 KB	Output is correct
59	Correct	3 ms	5072 KB	Output is correct
60	Correct	3 ms	5076 KB	Output is correct
61	Correct	3 ms	5076 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	2 ms	5076 KB	Output is correct
2	Correct	3 ms	5016 KB	Output is correct
3	Correct	3 ms	4944 KB	Output is correct
4	Correct	3 ms	5016 KB	Output is correct
5	Correct	2 ms	4944 KB	Output is correct
6	Correct	3 ms	4924 KB	Output is correct
7	Correct	3 ms	5020 KB	Output is correct
8	Correct	3 ms	4944 KB	Output is correct
9	Correct	2 ms	4944 KB	Output is correct
10	Correct	3 ms	5020 KB	Output is correct
11	Correct	2 ms	4944 KB	Output is correct
12	Correct	3 ms	4944 KB	Output is correct
13	Correct	3 ms	4944 KB	Output is correct
14	Correct	2 ms	4944 KB	Output is correct
15	Correct	3 ms	4944 KB	Output is correct
16	Correct	2 ms	4944 KB	Output is correct
17	Correct	2 ms	4944 KB	Output is correct
18	Correct	3 ms	4944 KB	Output is correct
19	Correct	3 ms	5016 KB	Output is correct
20	Correct	3 ms	4944 KB	Output is correct
21	Correct	3 ms	4944 KB	Output is correct
22	Correct	3 ms	5072 KB	Output is correct
23	Correct	3 ms	5072 KB	Output is correct
24	Correct	3 ms	5072 KB	Output is correct
25	Correct	3 ms	5072 KB	Output is correct
26	Correct	3 ms	5072 KB	Output is correct
27	Correct	3 ms	5072 KB	Output is correct
28	Correct	3 ms	5072 KB	Output is correct
29	Correct	3 ms	5200 KB	Output is correct
30	Correct	4 ms	5164 KB	Output is correct
31	Correct	3 ms	5072 KB	Output is correct
32	Correct	3 ms	5072 KB	Output is correct
33	Correct	4 ms	5072 KB	Output is correct
34	Correct	4 ms	5072 KB	Output is correct
35	Correct	3 ms	5072 KB	Output is correct
36	Correct	3 ms	5072 KB	Output is correct
37	Correct	4 ms	5028 KB	Output is correct
38	Correct	3 ms	5072 KB	Output is correct
39	Correct	3 ms	5156 KB	Output is correct
40	Correct	3 ms	5072 KB	Output is correct
41	Correct	3 ms	5072 KB	Output is correct
42	Correct	4 ms	5072 KB	Output is correct
43	Correct	3 ms	5072 KB	Output is correct
44	Correct	3 ms	5072 KB	Output is correct
45	Correct	3 ms	5072 KB	Output is correct
46	Correct	3 ms	5028 KB	Output is correct
47	Correct	3 ms	5072 KB	Output is correct
48	Correct	3 ms	5060 KB	Output is correct
49	Correct	3 ms	5072 KB	Output is correct
50	Correct	3 ms	5072 KB	Output is correct
51	Correct	3 ms	5072 KB	Output is correct
52	Correct	3 ms	5072 KB	Output is correct
53	Correct	3 ms	5072 KB	Output is correct
54	Correct	3 ms	5132 KB	Output is correct
55	Correct	3 ms	5072 KB	Output is correct
56	Correct	3 ms	5072 KB	Output is correct
57	Correct	3 ms	5200 KB	Output is correct
58	Correct	3 ms	5072 KB	Output is correct
59	Correct	3 ms	5072 KB	Output is correct
60	Correct	3 ms	5076 KB	Output is correct
61	Correct	3 ms	5076 KB	Output is correct
62	Correct	3 ms	5204 KB	Output is correct
63	Correct	3 ms	5076 KB	Output is correct
64	Correct	114 ms	15116 KB	Output is correct
65	Correct	113 ms	15120 KB	Output is correct
66	Correct	112 ms	15092 KB	Output is correct
67	Correct	114 ms	15100 KB	Output is correct
68	Correct	120 ms	15136 KB	Output is correct
69	Correct	122 ms	15200 KB	Output is correct
70	Correct	115 ms	15144 KB	Output is correct
71	Correct	117 ms	15180 KB	Output is correct
72	Correct	112 ms	15180 KB	Output is correct
73	Correct	140 ms	27752 KB	Output is correct
74	Correct	133 ms	27704 KB	Output is correct
75	Correct	113 ms	15012 KB	Output is correct
76	Correct	110 ms	14992 KB	Output is correct
77	Correct	120 ms	15048 KB	Output is correct
78	Correct	130 ms	15064 KB	Output is correct
79	Correct	122 ms	15000 KB	Output is correct
80	Correct	118 ms	15008 KB	Output is correct
81	Correct	93 ms	15496 KB	Output is correct
82	Correct	105 ms	15300 KB	Output is correct
83	Correct	131 ms	20232 KB	Output is correct
84	Correct	126 ms	22452 KB	Output is correct
85	Correct	124 ms	21988 KB	Output is correct
86	Correct	118 ms	16532 KB	Output is correct
87	Correct	130 ms	15900 KB	Output is correct
88	Correct	116 ms	16388 KB	Output is correct
89	Correct	111 ms	16372 KB	Output is correct
90	Correct	109 ms	16144 KB	Output is correct
91	Correct	112 ms	16360 KB	Output is correct
92	Correct	113 ms	16720 KB	Output is correct
93	Correct	110 ms	19032 KB	Output is correct
94	Correct	103 ms	20924 KB	Output is correct
95	Correct	102 ms	19504 KB	Output is correct
96	Correct	114 ms	17772 KB	Output is correct
97	Correct	113 ms	16172 KB	Output is correct
98	Correct	107 ms	15756 KB	Output is correct
99	Correct	114 ms	15496 KB	Output is correct
100	Correct	106 ms	18632 KB	Output is correct
101	Correct	127 ms	16756 KB	Output is correct
102	Correct	106 ms	16024 KB	Output is correct
103	Correct	120 ms	15720 KB	Output is correct
104	Correct	66 ms	16068 KB	Output is correct
105	Correct	130 ms	24500 KB	Output is correct
106	Correct	67 ms	15932 KB	Output is correct
107	Correct	70 ms	15944 KB	Output is correct
108	Correct	140 ms	28468 KB	Output is correct
109	Correct	65 ms	15992 KB	Output is correct
110	Correct	133 ms	28812 KB	Output is correct
111	Correct	101 ms	15044 KB	Output is correct

답안 #488537

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