답안 #634654

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
634654	2022-08-24T16:29:50 Z	PoPularPlusPlus	Power Plant (JOI20_power)	C++17	100 / 100	134 ms	25264 KB

power

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ull unsigned long long 
#define pb(e) push_back(e)
#define sv(a) sort(a.begin(),a.end())
#define sa(a,n) sort(a,a+n)
#define mp(a,b) make_pair(a,b)
#define vf first
#define vs second
#define ar array
#define all(x) x.begin(),x.end()
const int inf = 0x3f3f3f3f;
const int mod = 1000000007; 
const double PI=3.14159265358979323846264338327950288419716939937510582097494459230;
bool remender(ll a , ll b){return a%b;}

//freopen("problemname.in", "r", stdin);
//freopen("problemname.out", "w", stdout);

const int N = 200003;

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

int dfs(int node , int par){
	if(s[node-1] == '0'){
		int sum = 0;
		for(int i : adj[node]){
			if(i!=par){
				sum += dfs(i,node);
			}
		}
		return sum;
	}
	int mx = 0;
	int sum = 0;
	for(int i : adj[node]){
		if(i != par){
		   int x = dfs(i , node);
		   mx = max(mx , x);
		   sum += x;
		}
	}
	ans = max(ans , mx + 1);
	return max(1 , sum - 1);
}

void solve(){
	int n;
	cin >> n;
	for(int i = 0; i < n-1; i++){
		int a , b;
		cin >> a >> b;
		adj[a].pb(b);
		adj[b].pb(a);
	}
	cin >> s;
	int cnt = 0;
	for(int i = 0; i < n; i++)cnt += (s[i]-'0');
	ans = 0;
	ans = max(ans , dfs(1,1));
	cout << ans << '\n';
}

int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
	//int t;cin >> t;while(t--)
	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	3 ms	4948 KB	Output is correct
3	Correct	3 ms	5016 KB	Output is correct
4	Correct	3 ms	5020 KB	Output is correct
5	Correct	3 ms	4948 KB	Output is correct
6	Correct	4 ms	4948 KB	Output is correct
7	Correct	3 ms	4948 KB	Output is correct
8	Correct	3 ms	5016 KB	Output is correct
9	Correct	3 ms	5020 KB	Output is correct
10	Correct	2 ms	5016 KB	Output is correct
11	Correct	2 ms	4948 KB	Output is correct
12	Correct	3 ms	4948 KB	Output is correct
13	Correct	3 ms	5020 KB	Output is correct
14	Correct	3 ms	4928 KB	Output is correct
15	Correct	3 ms	4948 KB	Output is correct
16	Correct	3 ms	5020 KB	Output is correct
17	Correct	3 ms	4948 KB	Output is correct
18	Correct	3 ms	5016 KB	Output is correct
19	Correct	3 ms	5016 KB	Output is correct
20	Correct	3 ms	4948 KB	Output is correct
21	Correct	3 ms	5016 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	5016 KB	Output is correct
4	Correct	3 ms	5020 KB	Output is correct
5	Correct	3 ms	4948 KB	Output is correct
6	Correct	4 ms	4948 KB	Output is correct
7	Correct	3 ms	4948 KB	Output is correct
8	Correct	3 ms	5016 KB	Output is correct
9	Correct	3 ms	5020 KB	Output is correct
10	Correct	2 ms	5016 KB	Output is correct
11	Correct	2 ms	4948 KB	Output is correct
12	Correct	3 ms	4948 KB	Output is correct
13	Correct	3 ms	5020 KB	Output is correct
14	Correct	3 ms	4928 KB	Output is correct
15	Correct	3 ms	4948 KB	Output is correct
16	Correct	3 ms	5020 KB	Output is correct
17	Correct	3 ms	4948 KB	Output is correct
18	Correct	3 ms	5016 KB	Output is correct
19	Correct	3 ms	5016 KB	Output is correct
20	Correct	3 ms	4948 KB	Output is correct
21	Correct	3 ms	5016 KB	Output is correct
22	Correct	3 ms	5076 KB	Output is correct
23	Correct	4 ms	5076 KB	Output is correct
24	Correct	3 ms	5076 KB	Output is correct
25	Correct	4 ms	5076 KB	Output is correct
26	Correct	4 ms	5076 KB	Output is correct
27	Correct	4 ms	5076 KB	Output is correct
28	Correct	4 ms	4984 KB	Output is correct
29	Correct	4 ms	5076 KB	Output is correct
30	Correct	3 ms	5076 KB	Output is correct
31	Correct	3 ms	5076 KB	Output is correct
32	Correct	4 ms	5076 KB	Output is correct
33	Correct	3 ms	5076 KB	Output is correct
34	Correct	3 ms	5028 KB	Output is correct
35	Correct	4 ms	5028 KB	Output is correct
36	Correct	4 ms	5076 KB	Output is correct
37	Correct	3 ms	5036 KB	Output is correct
38	Correct	3 ms	5032 KB	Output is correct
39	Correct	4 ms	5076 KB	Output is correct
40	Correct	3 ms	5076 KB	Output is correct
41	Correct	4 ms	5088 KB	Output is correct
42	Correct	3 ms	5204 KB	Output is correct
43	Correct	4 ms	5032 KB	Output is correct
44	Correct	4 ms	5028 KB	Output is correct
45	Correct	3 ms	5032 KB	Output is correct
46	Correct	3 ms	5028 KB	Output is correct
47	Correct	3 ms	5032 KB	Output is correct
48	Correct	4 ms	5152 KB	Output is correct
49	Correct	3 ms	5076 KB	Output is correct
50	Correct	3 ms	5032 KB	Output is correct
51	Correct	4 ms	5032 KB	Output is correct
52	Correct	4 ms	5076 KB	Output is correct
53	Correct	4 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	4 ms	5204 KB	Output is correct
58	Correct	3 ms	5032 KB	Output is correct
59	Correct	3 ms	5032 KB	Output is correct
60	Correct	3 ms	5088 KB	Output is correct
61	Correct	3 ms	5076 KB	Output is correct
62	Correct	3 ms	5076 KB	Output is correct
63	Correct	3 ms	5028 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	5016 KB	Output is correct
4	Correct	3 ms	5020 KB	Output is correct
5	Correct	3 ms	4948 KB	Output is correct
6	Correct	4 ms	4948 KB	Output is correct
7	Correct	3 ms	4948 KB	Output is correct
8	Correct	3 ms	5016 KB	Output is correct
9	Correct	3 ms	5020 KB	Output is correct
10	Correct	2 ms	5016 KB	Output is correct
11	Correct	2 ms	4948 KB	Output is correct
12	Correct	3 ms	4948 KB	Output is correct
13	Correct	3 ms	5020 KB	Output is correct
14	Correct	3 ms	4928 KB	Output is correct
15	Correct	3 ms	4948 KB	Output is correct
16	Correct	3 ms	5020 KB	Output is correct
17	Correct	3 ms	4948 KB	Output is correct
18	Correct	3 ms	5016 KB	Output is correct
19	Correct	3 ms	5016 KB	Output is correct
20	Correct	3 ms	4948 KB	Output is correct
21	Correct	3 ms	5016 KB	Output is correct
22	Correct	3 ms	5076 KB	Output is correct
23	Correct	4 ms	5076 KB	Output is correct
24	Correct	3 ms	5076 KB	Output is correct
25	Correct	4 ms	5076 KB	Output is correct
26	Correct	4 ms	5076 KB	Output is correct
27	Correct	4 ms	5076 KB	Output is correct
28	Correct	4 ms	4984 KB	Output is correct
29	Correct	4 ms	5076 KB	Output is correct
30	Correct	3 ms	5076 KB	Output is correct
31	Correct	3 ms	5076 KB	Output is correct
32	Correct	4 ms	5076 KB	Output is correct
33	Correct	3 ms	5076 KB	Output is correct
34	Correct	3 ms	5028 KB	Output is correct
35	Correct	4 ms	5028 KB	Output is correct
36	Correct	4 ms	5076 KB	Output is correct
37	Correct	3 ms	5036 KB	Output is correct
38	Correct	3 ms	5032 KB	Output is correct
39	Correct	4 ms	5076 KB	Output is correct
40	Correct	3 ms	5076 KB	Output is correct
41	Correct	4 ms	5088 KB	Output is correct
42	Correct	3 ms	5204 KB	Output is correct
43	Correct	4 ms	5032 KB	Output is correct
44	Correct	4 ms	5028 KB	Output is correct
45	Correct	3 ms	5032 KB	Output is correct
46	Correct	3 ms	5028 KB	Output is correct
47	Correct	3 ms	5032 KB	Output is correct
48	Correct	4 ms	5152 KB	Output is correct
49	Correct	3 ms	5076 KB	Output is correct
50	Correct	3 ms	5032 KB	Output is correct
51	Correct	4 ms	5032 KB	Output is correct
52	Correct	4 ms	5076 KB	Output is correct
53	Correct	4 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	4 ms	5204 KB	Output is correct
58	Correct	3 ms	5032 KB	Output is correct
59	Correct	3 ms	5032 KB	Output is correct
60	Correct	3 ms	5088 KB	Output is correct
61	Correct	3 ms	5076 KB	Output is correct
62	Correct	3 ms	5076 KB	Output is correct
63	Correct	3 ms	5028 KB	Output is correct
64	Correct	110 ms	14444 KB	Output is correct
65	Correct	115 ms	14556 KB	Output is correct
66	Correct	108 ms	14564 KB	Output is correct
67	Correct	109 ms	14504 KB	Output is correct
68	Correct	103 ms	14496 KB	Output is correct
69	Correct	104 ms	14496 KB	Output is correct
70	Correct	107 ms	14488 KB	Output is correct
71	Correct	113 ms	14444 KB	Output is correct
72	Correct	112 ms	14432 KB	Output is correct
73	Correct	124 ms	24480 KB	Output is correct
74	Correct	122 ms	24352 KB	Output is correct
75	Correct	99 ms	14384 KB	Output is correct
76	Correct	121 ms	14352 KB	Output is correct
77	Correct	116 ms	14376 KB	Output is correct
78	Correct	111 ms	14380 KB	Output is correct
79	Correct	109 ms	14396 KB	Output is correct
80	Correct	106 ms	14340 KB	Output is correct
81	Correct	99 ms	14668 KB	Output is correct
82	Correct	96 ms	14600 KB	Output is correct
83	Correct	112 ms	18372 KB	Output is correct
84	Correct	113 ms	20116 KB	Output is correct
85	Correct	120 ms	19964 KB	Output is correct
86	Correct	103 ms	15392 KB	Output is correct
87	Correct	104 ms	14932 KB	Output is correct
88	Correct	105 ms	15432 KB	Output is correct
89	Correct	128 ms	15528 KB	Output is correct
90	Correct	112 ms	15344 KB	Output is correct
91	Correct	104 ms	15528 KB	Output is correct
92	Correct	109 ms	15732 KB	Output is correct
93	Correct	112 ms	17620 KB	Output is correct
94	Correct	126 ms	19100 KB	Output is correct
95	Correct	116 ms	17916 KB	Output is correct
96	Correct	102 ms	16544 KB	Output is correct
97	Correct	103 ms	15304 KB	Output is correct
98	Correct	108 ms	14952 KB	Output is correct
99	Correct	123 ms	14776 KB	Output is correct
100	Correct	106 ms	17292 KB	Output is correct
101	Correct	102 ms	15712 KB	Output is correct
102	Correct	97 ms	15040 KB	Output is correct
103	Correct	106 ms	14896 KB	Output is correct
104	Correct	73 ms	15268 KB	Output is correct
105	Correct	134 ms	21912 KB	Output is correct
106	Correct	63 ms	15152 KB	Output is correct
107	Correct	62 ms	15096 KB	Output is correct
108	Correct	124 ms	25156 KB	Output is correct
109	Correct	67 ms	15280 KB	Output is correct
110	Correct	120 ms	25264 KB	Output is correct
111	Correct	116 ms	14472 KB	Output is correct

답안 #634654

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