Submission #726630

# Submission time Handle Problem Language Result Execution time Memory
726630 2023-04-19T07:18:06 Z mariowong Power Plant (JOI20_power) C++14
100 / 100
150 ms 31620 KB
#include <bits/stdc++.h>
using namespace std;

vector <int> edge[200005];
int ans,dp[200005];
string s;
void dfs(int x,int p){
	int sum=0,mx=0;
	for (auto id:edge[x]){
		if (id != p){
			dfs(id,x);
			sum+=dp[id];
			mx=max(mx,dp[id]);
		}
	}
	if (s[x-1] == '0'){
		dp[x]=sum;
		ans=max(ans,dp[x]);	
	}
	else {
		ans=max(ans,mx+1);	
		dp[x]=max(1,sum-1);
		ans=max(ans,dp[x]);	
	}
}
int main(){
    ios::sync_with_stdio(false);
    int n;
    cin >> n;
    for (int i=1;i<n;i++){
    	int u,v;
		cin >> u >> v;
		edge[u].push_back(v);
		edge[v].push_back(u);	
    }
	cin >> s;
	dfs(1,-1); 
	cout << ans << "\n";
	return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 5020 KB Output is correct
3 Correct 3 ms 5024 KB Output is correct
4 Correct 3 ms 5028 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4956 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 5020 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 5024 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 4 ms 4948 KB Output is correct
13 Correct 3 ms 5024 KB Output is correct
14 Correct 3 ms 5024 KB Output is correct
15 Correct 3 ms 5020 KB Output is correct
16 Correct 3 ms 5076 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 3 ms 5028 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 5020 KB Output is correct
3 Correct 3 ms 5024 KB Output is correct
4 Correct 3 ms 5028 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4956 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 5020 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 5024 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 4 ms 4948 KB Output is correct
13 Correct 3 ms 5024 KB Output is correct
14 Correct 3 ms 5024 KB Output is correct
15 Correct 3 ms 5020 KB Output is correct
16 Correct 3 ms 5076 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 3 ms 5028 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 4 ms 5076 KB Output is correct
23 Correct 4 ms 5036 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 3 ms 5076 KB Output is correct
26 Correct 4 ms 5104 KB Output is correct
27 Correct 3 ms 5076 KB Output is correct
28 Correct 4 ms 5076 KB Output is correct
29 Correct 4 ms 5204 KB Output is correct
30 Correct 3 ms 5204 KB Output is correct
31 Correct 4 ms 5020 KB Output is correct
32 Correct 4 ms 5076 KB Output is correct
33 Correct 3 ms 5032 KB Output is correct
34 Correct 3 ms 5076 KB Output is correct
35 Correct 4 ms 5044 KB Output is correct
36 Correct 4 ms 5040 KB Output is correct
37 Correct 4 ms 5076 KB Output is correct
38 Correct 4 ms 5036 KB Output is correct
39 Correct 4 ms 5076 KB Output is correct
40 Correct 3 ms 5084 KB Output is correct
41 Correct 4 ms 5076 KB Output is correct
42 Correct 4 ms 5032 KB Output is correct
43 Correct 4 ms 5076 KB Output is correct
44 Correct 4 ms 5204 KB Output is correct
45 Correct 3 ms 5040 KB Output is correct
46 Correct 4 ms 5076 KB Output is correct
47 Correct 3 ms 5040 KB Output is correct
48 Correct 3 ms 5204 KB Output is correct
49 Correct 3 ms 5100 KB Output is correct
50 Correct 3 ms 5076 KB Output is correct
51 Correct 3 ms 5040 KB Output is correct
52 Correct 5 ms 5076 KB Output is correct
53 Correct 4 ms 5124 KB Output is correct
54 Correct 3 ms 5076 KB Output is correct
55 Correct 4 ms 5076 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 3 ms 5204 KB Output is correct
58 Correct 4 ms 5036 KB Output is correct
59 Correct 3 ms 5076 KB Output is correct
60 Correct 4 ms 5160 KB Output is correct
61 Correct 4 ms 5040 KB Output is correct
62 Correct 4 ms 5204 KB Output is correct
63 Correct 5 ms 5036 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 5020 KB Output is correct
3 Correct 3 ms 5024 KB Output is correct
4 Correct 3 ms 5028 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4956 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 5020 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 5024 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 4 ms 4948 KB Output is correct
13 Correct 3 ms 5024 KB Output is correct
14 Correct 3 ms 5024 KB Output is correct
15 Correct 3 ms 5020 KB Output is correct
16 Correct 3 ms 5076 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 3 ms 5028 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 4 ms 5076 KB Output is correct
23 Correct 4 ms 5036 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 3 ms 5076 KB Output is correct
26 Correct 4 ms 5104 KB Output is correct
27 Correct 3 ms 5076 KB Output is correct
28 Correct 4 ms 5076 KB Output is correct
29 Correct 4 ms 5204 KB Output is correct
30 Correct 3 ms 5204 KB Output is correct
31 Correct 4 ms 5020 KB Output is correct
32 Correct 4 ms 5076 KB Output is correct
33 Correct 3 ms 5032 KB Output is correct
34 Correct 3 ms 5076 KB Output is correct
35 Correct 4 ms 5044 KB Output is correct
36 Correct 4 ms 5040 KB Output is correct
37 Correct 4 ms 5076 KB Output is correct
38 Correct 4 ms 5036 KB Output is correct
39 Correct 4 ms 5076 KB Output is correct
40 Correct 3 ms 5084 KB Output is correct
41 Correct 4 ms 5076 KB Output is correct
42 Correct 4 ms 5032 KB Output is correct
43 Correct 4 ms 5076 KB Output is correct
44 Correct 4 ms 5204 KB Output is correct
45 Correct 3 ms 5040 KB Output is correct
46 Correct 4 ms 5076 KB Output is correct
47 Correct 3 ms 5040 KB Output is correct
48 Correct 3 ms 5204 KB Output is correct
49 Correct 3 ms 5100 KB Output is correct
50 Correct 3 ms 5076 KB Output is correct
51 Correct 3 ms 5040 KB Output is correct
52 Correct 5 ms 5076 KB Output is correct
53 Correct 4 ms 5124 KB Output is correct
54 Correct 3 ms 5076 KB Output is correct
55 Correct 4 ms 5076 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 3 ms 5204 KB Output is correct
58 Correct 4 ms 5036 KB Output is correct
59 Correct 3 ms 5076 KB Output is correct
60 Correct 4 ms 5160 KB Output is correct
61 Correct 4 ms 5040 KB Output is correct
62 Correct 4 ms 5204 KB Output is correct
63 Correct 5 ms 5036 KB Output is correct
64 Correct 130 ms 15216 KB Output is correct
65 Correct 140 ms 15184 KB Output is correct
66 Correct 131 ms 15176 KB Output is correct
67 Correct 133 ms 15168 KB Output is correct
68 Correct 124 ms 15184 KB Output is correct
69 Correct 127 ms 15104 KB Output is correct
70 Correct 129 ms 15204 KB Output is correct
71 Correct 137 ms 15192 KB Output is correct
72 Correct 108 ms 15152 KB Output is correct
73 Correct 149 ms 30316 KB Output is correct
74 Correct 146 ms 30196 KB Output is correct
75 Correct 138 ms 14992 KB Output is correct
76 Correct 129 ms 15076 KB Output is correct
77 Correct 130 ms 15080 KB Output is correct
78 Correct 135 ms 15024 KB Output is correct
79 Correct 133 ms 15060 KB Output is correct
80 Correct 107 ms 15032 KB Output is correct
81 Correct 98 ms 15568 KB Output is correct
82 Correct 123 ms 15264 KB Output is correct
83 Correct 119 ms 21264 KB Output is correct
84 Correct 134 ms 23936 KB Output is correct
85 Correct 119 ms 23448 KB Output is correct
86 Correct 140 ms 16816 KB Output is correct
87 Correct 138 ms 16136 KB Output is correct
88 Correct 131 ms 16544 KB Output is correct
89 Correct 128 ms 16664 KB Output is correct
90 Correct 131 ms 16260 KB Output is correct
91 Correct 112 ms 16588 KB Output is correct
92 Correct 137 ms 16932 KB Output is correct
93 Correct 134 ms 19908 KB Output is correct
94 Correct 116 ms 21932 KB Output is correct
95 Correct 111 ms 20352 KB Output is correct
96 Correct 126 ms 18256 KB Output is correct
97 Correct 117 ms 16356 KB Output is correct
98 Correct 101 ms 15772 KB Output is correct
99 Correct 105 ms 15528 KB Output is correct
100 Correct 112 ms 19288 KB Output is correct
101 Correct 121 ms 16900 KB Output is correct
102 Correct 112 ms 15964 KB Output is correct
103 Correct 115 ms 15788 KB Output is correct
104 Correct 72 ms 16028 KB Output is correct
105 Correct 150 ms 26520 KB Output is correct
106 Correct 71 ms 16084 KB Output is correct
107 Correct 61 ms 15912 KB Output is correct
108 Correct 139 ms 31168 KB Output is correct
109 Correct 61 ms 16028 KB Output is correct
110 Correct 141 ms 31620 KB Output is correct
111 Correct 126 ms 15048 KB Output is correct