Submission #444911

# Submission time Handle Problem Language Result Execution time Memory
444911 2021-07-15T20:42:45 Z dutch Power Plant (JOI20_power) C++17
100 / 100
162 ms 26136 KB
#include <bits/stdc++.h>
using namespace std;

const int MAXN = 2e5;

int n, ans, dp[MAXN];
vector<int> g[MAXN];
string s;

void dfs(int u, int p){
	if(s[u] == '1'){
		dp[u] = -1;
		for(int &v : g[u]){
			if(v == p) continue;
			dfs(v, u);
			ans = max(ans, 1 + dp[v]);
			dp[u] += dp[v];
		}
		dp[u] = max(dp[u], 1);
	}else{
		for(int &v : g[u]){
			if(v == p) continue;
			dfs(v, u);
			dp[u] += dp[v];
		}
	}
	ans = max(ans, dp[u]);
}

signed main(){
	cin.tie(0)->sync_with_stdio(0);
	cin >> n;
	for(int i=1; i<n; ++i){
		int u, v; cin >> u >> v;
		--u, --v;
		g[u].push_back(v);
		g[v].push_back(u);
	}
	cin >> s;
	dfs(0, 0);
	cout << ans;
}
# Verdict Execution time Memory Grader output
1 Correct 3 ms 4940 KB Output is correct
2 Correct 3 ms 5020 KB Output is correct
3 Correct 3 ms 4940 KB Output is correct
4 Correct 3 ms 4940 KB Output is correct
5 Correct 3 ms 5016 KB Output is correct
6 Correct 3 ms 4940 KB Output is correct
7 Correct 3 ms 5012 KB Output is correct
8 Correct 3 ms 5016 KB Output is correct
9 Correct 3 ms 4940 KB Output is correct
10 Correct 3 ms 4940 KB Output is correct
11 Correct 3 ms 4940 KB Output is correct
12 Correct 3 ms 4940 KB Output is correct
13 Correct 3 ms 4940 KB Output is correct
14 Correct 3 ms 4940 KB Output is correct
15 Correct 3 ms 4940 KB Output is correct
16 Correct 3 ms 4940 KB Output is correct
17 Correct 3 ms 4940 KB Output is correct
18 Correct 3 ms 4940 KB Output is correct
19 Correct 3 ms 4940 KB Output is correct
20 Correct 3 ms 4940 KB Output is correct
21 Correct 3 ms 4940 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 4940 KB Output is correct
2 Correct 3 ms 5020 KB Output is correct
3 Correct 3 ms 4940 KB Output is correct
4 Correct 3 ms 4940 KB Output is correct
5 Correct 3 ms 5016 KB Output is correct
6 Correct 3 ms 4940 KB Output is correct
7 Correct 3 ms 5012 KB Output is correct
8 Correct 3 ms 5016 KB Output is correct
9 Correct 3 ms 4940 KB Output is correct
10 Correct 3 ms 4940 KB Output is correct
11 Correct 3 ms 4940 KB Output is correct
12 Correct 3 ms 4940 KB Output is correct
13 Correct 3 ms 4940 KB Output is correct
14 Correct 3 ms 4940 KB Output is correct
15 Correct 3 ms 4940 KB Output is correct
16 Correct 3 ms 4940 KB Output is correct
17 Correct 3 ms 4940 KB Output is correct
18 Correct 3 ms 4940 KB Output is correct
19 Correct 3 ms 4940 KB Output is correct
20 Correct 3 ms 4940 KB Output is correct
21 Correct 3 ms 4940 KB Output is correct
22 Correct 3 ms 5068 KB Output is correct
23 Correct 3 ms 5068 KB Output is correct
24 Correct 3 ms 5068 KB Output is correct
25 Correct 3 ms 5068 KB Output is correct
26 Correct 4 ms 5068 KB Output is correct
27 Correct 4 ms 5068 KB Output is correct
28 Correct 4 ms 4984 KB Output is correct
29 Correct 4 ms 5196 KB Output is correct
30 Correct 4 ms 5156 KB Output is correct
31 Correct 4 ms 5068 KB Output is correct
32 Correct 4 ms 5068 KB Output is correct
33 Correct 4 ms 5028 KB Output is correct
34 Correct 3 ms 5024 KB Output is correct
35 Correct 4 ms 5068 KB Output is correct
36 Correct 4 ms 5068 KB Output is correct
37 Correct 3 ms 5068 KB Output is correct
38 Correct 4 ms 5024 KB Output is correct
39 Correct 4 ms 5040 KB Output is correct
40 Correct 4 ms 5068 KB Output is correct
41 Correct 4 ms 5152 KB Output is correct
42 Correct 4 ms 5196 KB Output is correct
43 Correct 4 ms 5068 KB Output is correct
44 Correct 4 ms 5068 KB Output is correct
45 Correct 4 ms 5028 KB Output is correct
46 Correct 4 ms 5068 KB Output is correct
47 Correct 4 ms 5112 KB Output is correct
48 Correct 4 ms 5160 KB Output is correct
49 Correct 4 ms 5068 KB Output is correct
50 Correct 4 ms 5068 KB Output is correct
51 Correct 4 ms 5036 KB Output is correct
52 Correct 4 ms 5028 KB Output is correct
53 Correct 4 ms 5068 KB Output is correct
54 Correct 4 ms 5024 KB Output is correct
55 Correct 4 ms 5068 KB Output is correct
56 Correct 4 ms 5028 KB Output is correct
57 Correct 4 ms 5196 KB Output is correct
58 Correct 3 ms 5068 KB Output is correct
59 Correct 3 ms 5024 KB Output is correct
60 Correct 4 ms 5160 KB Output is correct
61 Correct 4 ms 5068 KB Output is correct
62 Correct 4 ms 5068 KB Output is correct
63 Correct 4 ms 5068 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 4940 KB Output is correct
2 Correct 3 ms 5020 KB Output is correct
3 Correct 3 ms 4940 KB Output is correct
4 Correct 3 ms 4940 KB Output is correct
5 Correct 3 ms 5016 KB Output is correct
6 Correct 3 ms 4940 KB Output is correct
7 Correct 3 ms 5012 KB Output is correct
8 Correct 3 ms 5016 KB Output is correct
9 Correct 3 ms 4940 KB Output is correct
10 Correct 3 ms 4940 KB Output is correct
11 Correct 3 ms 4940 KB Output is correct
12 Correct 3 ms 4940 KB Output is correct
13 Correct 3 ms 4940 KB Output is correct
14 Correct 3 ms 4940 KB Output is correct
15 Correct 3 ms 4940 KB Output is correct
16 Correct 3 ms 4940 KB Output is correct
17 Correct 3 ms 4940 KB Output is correct
18 Correct 3 ms 4940 KB Output is correct
19 Correct 3 ms 4940 KB Output is correct
20 Correct 3 ms 4940 KB Output is correct
21 Correct 3 ms 4940 KB Output is correct
22 Correct 3 ms 5068 KB Output is correct
23 Correct 3 ms 5068 KB Output is correct
24 Correct 3 ms 5068 KB Output is correct
25 Correct 3 ms 5068 KB Output is correct
26 Correct 4 ms 5068 KB Output is correct
27 Correct 4 ms 5068 KB Output is correct
28 Correct 4 ms 4984 KB Output is correct
29 Correct 4 ms 5196 KB Output is correct
30 Correct 4 ms 5156 KB Output is correct
31 Correct 4 ms 5068 KB Output is correct
32 Correct 4 ms 5068 KB Output is correct
33 Correct 4 ms 5028 KB Output is correct
34 Correct 3 ms 5024 KB Output is correct
35 Correct 4 ms 5068 KB Output is correct
36 Correct 4 ms 5068 KB Output is correct
37 Correct 3 ms 5068 KB Output is correct
38 Correct 4 ms 5024 KB Output is correct
39 Correct 4 ms 5040 KB Output is correct
40 Correct 4 ms 5068 KB Output is correct
41 Correct 4 ms 5152 KB Output is correct
42 Correct 4 ms 5196 KB Output is correct
43 Correct 4 ms 5068 KB Output is correct
44 Correct 4 ms 5068 KB Output is correct
45 Correct 4 ms 5028 KB Output is correct
46 Correct 4 ms 5068 KB Output is correct
47 Correct 4 ms 5112 KB Output is correct
48 Correct 4 ms 5160 KB Output is correct
49 Correct 4 ms 5068 KB Output is correct
50 Correct 4 ms 5068 KB Output is correct
51 Correct 4 ms 5036 KB Output is correct
52 Correct 4 ms 5028 KB Output is correct
53 Correct 4 ms 5068 KB Output is correct
54 Correct 4 ms 5024 KB Output is correct
55 Correct 4 ms 5068 KB Output is correct
56 Correct 4 ms 5028 KB Output is correct
57 Correct 4 ms 5196 KB Output is correct
58 Correct 3 ms 5068 KB Output is correct
59 Correct 3 ms 5024 KB Output is correct
60 Correct 4 ms 5160 KB Output is correct
61 Correct 4 ms 5068 KB Output is correct
62 Correct 4 ms 5068 KB Output is correct
63 Correct 4 ms 5068 KB Output is correct
64 Correct 134 ms 15232 KB Output is correct
65 Correct 133 ms 15132 KB Output is correct
66 Correct 125 ms 15088 KB Output is correct
67 Correct 124 ms 15184 KB Output is correct
68 Correct 134 ms 15108 KB Output is correct
69 Correct 127 ms 15104 KB Output is correct
70 Correct 129 ms 15188 KB Output is correct
71 Correct 127 ms 15176 KB Output is correct
72 Correct 127 ms 15096 KB Output is correct
73 Correct 162 ms 25356 KB Output is correct
74 Correct 151 ms 25216 KB Output is correct
75 Correct 129 ms 14972 KB Output is correct
76 Correct 151 ms 15012 KB Output is correct
77 Correct 151 ms 14976 KB Output is correct
78 Correct 146 ms 15024 KB Output is correct
79 Correct 146 ms 15084 KB Output is correct
80 Correct 153 ms 14976 KB Output is correct
81 Correct 130 ms 15536 KB Output is correct
82 Correct 134 ms 15184 KB Output is correct
83 Correct 138 ms 19204 KB Output is correct
84 Correct 138 ms 20980 KB Output is correct
85 Correct 137 ms 20608 KB Output is correct
86 Correct 130 ms 16172 KB Output is correct
87 Correct 132 ms 15712 KB Output is correct
88 Correct 134 ms 16192 KB Output is correct
89 Correct 135 ms 16392 KB Output is correct
90 Correct 134 ms 16120 KB Output is correct
91 Correct 124 ms 16228 KB Output is correct
92 Correct 121 ms 16516 KB Output is correct
93 Correct 124 ms 18388 KB Output is correct
94 Correct 131 ms 19904 KB Output is correct
95 Correct 116 ms 18652 KB Output is correct
96 Correct 125 ms 17440 KB Output is correct
97 Correct 122 ms 16032 KB Output is correct
98 Correct 124 ms 15796 KB Output is correct
99 Correct 129 ms 15616 KB Output is correct
100 Correct 145 ms 18028 KB Output is correct
101 Correct 125 ms 16384 KB Output is correct
102 Correct 134 ms 15832 KB Output is correct
103 Correct 130 ms 15736 KB Output is correct
104 Correct 76 ms 15292 KB Output is correct
105 Correct 142 ms 22656 KB Output is correct
106 Correct 89 ms 15928 KB Output is correct
107 Correct 89 ms 15932 KB Output is correct
108 Correct 162 ms 25784 KB Output is correct
109 Correct 87 ms 15284 KB Output is correct
110 Correct 143 ms 26136 KB Output is correct
111 Correct 140 ms 15020 KB Output is correct