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Submission #634657

# Submission time Handle Problem Language Result Execution time Memory
634657 2022-08-24T16:33:21 Z PoPularPlusPlus Power Plant (JOI20_power) C++17
100 / 100
 156 ms 22600 KB 
#include <bits/stdc++.h>
using namespace std;
#define pb(e) push_back(e)
#define mp(a,b) make_pair(a,b)
 
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;
	ans = 0;
	ans = max(ans , dfs(1,1));
	cout << ans << '\n';
}
 
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
	solve();
	return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 2 ms 4948 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 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 3 ms 5012 KB Output is correct
16 Correct 4 ms 4948 KB Output is correct
17 Correct 4 ms 4948 KB Output is correct
18 Correct 2 ms 4948 KB Output is correct
19 Correct 2 ms 4948 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 2 ms 4948 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 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 3 ms 5012 KB Output is correct
16 Correct 4 ms 4948 KB Output is correct
17 Correct 4 ms 4948 KB Output is correct
18 Correct 2 ms 4948 KB Output is correct
19 Correct 2 ms 4948 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 3 ms 5076 KB Output is correct
24 Correct 4 ms 5076 KB Output is correct
25 Correct 3 ms 5076 KB Output is correct
26 Correct 3 ms 5076 KB Output is correct
27 Correct 3 ms 5076 KB Output is correct
28 Correct 4 ms 5084 KB Output is correct
29 Correct 3 ms 5076 KB Output is correct
30 Correct 4 ms 5076 KB Output is correct
31 Correct 3 ms 5076 KB Output is correct
32 Correct 3 ms 5076 KB Output is correct
33 Correct 3 ms 5076 KB Output is correct
34 Correct 4 ms 5076 KB Output is correct
35 Correct 3 ms 5076 KB Output is correct
36 Correct 4 ms 5076 KB Output is correct
37 Correct 5 ms 5076 KB Output is correct
38 Correct 3 ms 5076 KB Output is correct
39 Correct 3 ms 5076 KB Output is correct
40 Correct 3 ms 5076 KB Output is correct
41 Correct 3 ms 5100 KB Output is correct
42 Correct 3 ms 5076 KB Output is correct
43 Correct 3 ms 5012 KB Output is correct
44 Correct 3 ms 5052 KB Output is correct
45 Correct 4 ms 5076 KB Output is correct
46 Correct 3 ms 5100 KB Output is correct
47 Correct 3 ms 5076 KB Output is correct
48 Correct 3 ms 5076 KB Output is correct
49 Correct 3 ms 5076 KB Output is correct
50 Correct 3 ms 5076 KB Output is correct
51 Correct 3 ms 5076 KB Output is correct
52 Correct 4 ms 5072 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 5076 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 5076 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 5076 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 2 ms 4948 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 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 3 ms 5012 KB Output is correct
16 Correct 4 ms 4948 KB Output is correct
17 Correct 4 ms 4948 KB Output is correct
18 Correct 2 ms 4948 KB Output is correct
19 Correct 2 ms 4948 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 3 ms 5076 KB Output is correct
24 Correct 4 ms 5076 KB Output is correct
25 Correct 3 ms 5076 KB Output is correct
26 Correct 3 ms 5076 KB Output is correct
27 Correct 3 ms 5076 KB Output is correct
28 Correct 4 ms 5084 KB Output is correct
29 Correct 3 ms 5076 KB Output is correct
30 Correct 4 ms 5076 KB Output is correct
31 Correct 3 ms 5076 KB Output is correct
32 Correct 3 ms 5076 KB Output is correct
33 Correct 3 ms 5076 KB Output is correct
34 Correct 4 ms 5076 KB Output is correct
35 Correct 3 ms 5076 KB Output is correct
36 Correct 4 ms 5076 KB Output is correct
37 Correct 5 ms 5076 KB Output is correct
38 Correct 3 ms 5076 KB Output is correct
39 Correct 3 ms 5076 KB Output is correct
40 Correct 3 ms 5076 KB Output is correct
41 Correct 3 ms 5100 KB Output is correct
42 Correct 3 ms 5076 KB Output is correct
43 Correct 3 ms 5012 KB Output is correct
44 Correct 3 ms 5052 KB Output is correct
45 Correct 4 ms 5076 KB Output is correct
46 Correct 3 ms 5100 KB Output is correct
47 Correct 3 ms 5076 KB Output is correct
48 Correct 3 ms 5076 KB Output is correct
49 Correct 3 ms 5076 KB Output is correct
50 Correct 3 ms 5076 KB Output is correct
51 Correct 3 ms 5076 KB Output is correct
52 Correct 4 ms 5072 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 5076 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 5076 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 5076 KB Output is correct
64 Correct 108 ms 11800 KB Output is correct
65 Correct 120 ms 11760 KB Output is correct
66 Correct 114 ms 11776 KB Output is correct
67 Correct 100 ms 11716 KB Output is correct
68 Correct 101 ms 11812 KB Output is correct
69 Correct 127 ms 11704 KB Output is correct
70 Correct 112 ms 11708 KB Output is correct
71 Correct 100 ms 11784 KB Output is correct
72 Correct 120 ms 11764 KB Output is correct
73 Correct 153 ms 21664 KB Output is correct
74 Correct 122 ms 21772 KB Output is correct
75 Correct 120 ms 11640 KB Output is correct
76 Correct 134 ms 11708 KB Output is correct
77 Correct 144 ms 11692 KB Output is correct
78 Correct 117 ms 11672 KB Output is correct
79 Correct 102 ms 11636 KB Output is correct
80 Correct 104 ms 11724 KB Output is correct
81 Correct 100 ms 12068 KB Output is correct
82 Correct 116 ms 11840 KB Output is correct
83 Correct 114 ms 15760 KB Output is correct
84 Correct 147 ms 17360 KB Output is correct
85 Correct 124 ms 17100 KB Output is correct
86 Correct 112 ms 12732 KB Output is correct
87 Correct 104 ms 12224 KB Output is correct
88 Correct 121 ms 12744 KB Output is correct
89 Correct 128 ms 12800 KB Output is correct
90 Correct 102 ms 12572 KB Output is correct
91 Correct 107 ms 12784 KB Output is correct
92 Correct 135 ms 13008 KB Output is correct
93 Correct 104 ms 14972 KB Output is correct
94 Correct 98 ms 16340 KB Output is correct
95 Correct 94 ms 15224 KB Output is correct
96 Correct 102 ms 13736 KB Output is correct
97 Correct 141 ms 12580 KB Output is correct
98 Correct 101 ms 12228 KB Output is correct
99 Correct 100 ms 12168 KB Output is correct
100 Correct 99 ms 14540 KB Output is correct
101 Correct 129 ms 12936 KB Output is correct
102 Correct 126 ms 12384 KB Output is correct
103 Correct 97 ms 12268 KB Output is correct
104 Correct 58 ms 12392 KB Output is correct
105 Correct 121 ms 19212 KB Output is correct
106 Correct 80 ms 12536 KB Output is correct
107 Correct 60 ms 12432 KB Output is correct
108 Correct 125 ms 22320 KB Output is correct
109 Correct 68 ms 12340 KB Output is correct
110 Correct 156 ms 22600 KB Output is correct
111 Correct 145 ms 11684 KB Output is correct