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Submission #882853

# Submission time Handle Problem Language Result Execution time Memory
882853 2023-12-03T22:04:23 Z TomkeMonke Power Plant (JOI20_power) C++17
100 / 100
 117 ms 29704 KB 
#include <bits/stdc++.h>

using namespace std;

const int MAXN = 2e5 + 7;

vector<int> G[MAXN];
string s;

int path[MAXN], siz[MAXN];
int ans = 0;

void DFS(int v, int p){
	
	int maks = 0, sum = 0;
	
	for(auto u : G[v]){
		
		if(u == p) continue;
		DFS(u, v);
		sum += siz[u];
		maks = max(maks, siz[u]);
	}
	
	if(s[v] == '1'){
		
		path[v] = maks + 1;
		siz[v] = max(1, sum - 1);
	}
	
	else {
		
		path[v] = maks;
		siz[v] = sum;
	}
	
	ans = max(ans, max(path[v], siz[v]));
}





int main(){
	
	ios_base::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	
	int n;
	cin >> n;
	
	for(int i = 1; i < n; i++){
		
		int a, b;
		cin >> a >> b;
		
		G[a].push_back(b);
		G[b].push_back(a);
	}
	
	cin >> s;
	s = "#" + s;
	DFS(1, 1);
	
	cout << ans << '\n';
	
	return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6492 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 2 ms 6492 KB Output is correct
4 Correct 2 ms 6644 KB Output is correct
5 Correct 2 ms 6488 KB Output is correct
6 Correct 2 ms 6492 KB Output is correct
7 Correct 2 ms 6492 KB Output is correct
8 Correct 2 ms 6492 KB Output is correct
9 Correct 2 ms 6492 KB Output is correct
10 Correct 2 ms 6492 KB Output is correct
11 Correct 2 ms 6544 KB Output is correct
12 Correct 2 ms 6492 KB Output is correct
13 Correct 2 ms 6492 KB Output is correct
14 Correct 2 ms 6492 KB Output is correct
15 Correct 2 ms 6492 KB Output is correct
16 Correct 2 ms 6492 KB Output is correct
17 Correct 3 ms 6488 KB Output is correct
18 Correct 2 ms 6492 KB Output is correct
19 Correct 2 ms 6548 KB Output is correct
20 Correct 2 ms 6492 KB Output is correct
21 Correct 2 ms 6492 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6492 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 2 ms 6492 KB Output is correct
4 Correct 2 ms 6644 KB Output is correct
5 Correct 2 ms 6488 KB Output is correct
6 Correct 2 ms 6492 KB Output is correct
7 Correct 2 ms 6492 KB Output is correct
8 Correct 2 ms 6492 KB Output is correct
9 Correct 2 ms 6492 KB Output is correct
10 Correct 2 ms 6492 KB Output is correct
11 Correct 2 ms 6544 KB Output is correct
12 Correct 2 ms 6492 KB Output is correct
13 Correct 2 ms 6492 KB Output is correct
14 Correct 2 ms 6492 KB Output is correct
15 Correct 2 ms 6492 KB Output is correct
16 Correct 2 ms 6492 KB Output is correct
17 Correct 3 ms 6488 KB Output is correct
18 Correct 2 ms 6492 KB Output is correct
19 Correct 2 ms 6548 KB Output is correct
20 Correct 2 ms 6492 KB Output is correct
21 Correct 2 ms 6492 KB Output is correct
22 Correct 2 ms 6492 KB Output is correct
23 Correct 2 ms 6492 KB Output is correct
24 Correct 2 ms 6492 KB Output is correct
25 Correct 3 ms 6560 KB Output is correct
26 Correct 2 ms 6488 KB Output is correct
27 Correct 2 ms 6492 KB Output is correct
28 Correct 2 ms 6492 KB Output is correct
29 Correct 2 ms 6748 KB Output is correct
30 Correct 3 ms 6492 KB Output is correct
31 Correct 2 ms 6492 KB Output is correct
32 Correct 2 ms 6492 KB Output is correct
33 Correct 2 ms 6492 KB Output is correct
34 Correct 2 ms 6492 KB Output is correct
35 Correct 2 ms 6504 KB Output is correct
36 Correct 3 ms 6492 KB Output is correct
37 Correct 2 ms 6492 KB Output is correct
38 Correct 3 ms 6556 KB Output is correct
39 Correct 2 ms 6756 KB Output is correct
40 Correct 2 ms 6492 KB Output is correct
41 Correct 2 ms 6492 KB Output is correct
42 Correct 2 ms 6576 KB Output is correct
43 Correct 2 ms 6492 KB Output is correct
44 Correct 2 ms 6492 KB Output is correct
45 Correct 2 ms 6492 KB Output is correct
46 Correct 2 ms 6564 KB Output is correct
47 Correct 3 ms 6492 KB Output is correct
48 Correct 4 ms 6492 KB Output is correct
49 Correct 2 ms 6744 KB Output is correct
50 Correct 3 ms 6492 KB Output is correct
51 Correct 2 ms 6744 KB Output is correct
52 Correct 2 ms 6492 KB Output is correct
53 Correct 2 ms 6488 KB Output is correct
54 Correct 3 ms 6492 KB Output is correct
55 Correct 3 ms 6492 KB Output is correct
56 Correct 2 ms 6492 KB Output is correct
57 Correct 3 ms 6732 KB Output is correct
58 Correct 2 ms 6492 KB Output is correct
59 Correct 2 ms 6492 KB Output is correct
60 Correct 2 ms 6492 KB Output is correct
61 Correct 2 ms 6560 KB Output is correct
62 Correct 3 ms 7000 KB Output is correct
63 Correct 2 ms 6488 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6492 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 2 ms 6492 KB Output is correct
4 Correct 2 ms 6644 KB Output is correct
5 Correct 2 ms 6488 KB Output is correct
6 Correct 2 ms 6492 KB Output is correct
7 Correct 2 ms 6492 KB Output is correct
8 Correct 2 ms 6492 KB Output is correct
9 Correct 2 ms 6492 KB Output is correct
10 Correct 2 ms 6492 KB Output is correct
11 Correct 2 ms 6544 KB Output is correct
12 Correct 2 ms 6492 KB Output is correct
13 Correct 2 ms 6492 KB Output is correct
14 Correct 2 ms 6492 KB Output is correct
15 Correct 2 ms 6492 KB Output is correct
16 Correct 2 ms 6492 KB Output is correct
17 Correct 3 ms 6488 KB Output is correct
18 Correct 2 ms 6492 KB Output is correct
19 Correct 2 ms 6548 KB Output is correct
20 Correct 2 ms 6492 KB Output is correct
21 Correct 2 ms 6492 KB Output is correct
22 Correct 2 ms 6492 KB Output is correct
23 Correct 2 ms 6492 KB Output is correct
24 Correct 2 ms 6492 KB Output is correct
25 Correct 3 ms 6560 KB Output is correct
26 Correct 2 ms 6488 KB Output is correct
27 Correct 2 ms 6492 KB Output is correct
28 Correct 2 ms 6492 KB Output is correct
29 Correct 2 ms 6748 KB Output is correct
30 Correct 3 ms 6492 KB Output is correct
31 Correct 2 ms 6492 KB Output is correct
32 Correct 2 ms 6492 KB Output is correct
33 Correct 2 ms 6492 KB Output is correct
34 Correct 2 ms 6492 KB Output is correct
35 Correct 2 ms 6504 KB Output is correct
36 Correct 3 ms 6492 KB Output is correct
37 Correct 2 ms 6492 KB Output is correct
38 Correct 3 ms 6556 KB Output is correct
39 Correct 2 ms 6756 KB Output is correct
40 Correct 2 ms 6492 KB Output is correct
41 Correct 2 ms 6492 KB Output is correct
42 Correct 2 ms 6576 KB Output is correct
43 Correct 2 ms 6492 KB Output is correct
44 Correct 2 ms 6492 KB Output is correct
45 Correct 2 ms 6492 KB Output is correct
46 Correct 2 ms 6564 KB Output is correct
47 Correct 3 ms 6492 KB Output is correct
48 Correct 4 ms 6492 KB Output is correct
49 Correct 2 ms 6744 KB Output is correct
50 Correct 3 ms 6492 KB Output is correct
51 Correct 2 ms 6744 KB Output is correct
52 Correct 2 ms 6492 KB Output is correct
53 Correct 2 ms 6488 KB Output is correct
54 Correct 3 ms 6492 KB Output is correct
55 Correct 3 ms 6492 KB Output is correct
56 Correct 2 ms 6492 KB Output is correct
57 Correct 3 ms 6732 KB Output is correct
58 Correct 2 ms 6492 KB Output is correct
59 Correct 2 ms 6492 KB Output is correct
60 Correct 2 ms 6492 KB Output is correct
61 Correct 2 ms 6560 KB Output is correct
62 Correct 3 ms 7000 KB Output is correct
63 Correct 2 ms 6488 KB Output is correct
64 Correct 86 ms 16064 KB Output is correct
65 Correct 61 ms 16040 KB Output is correct
66 Correct 61 ms 16056 KB Output is correct
67 Correct 82 ms 15996 KB Output is correct
68 Correct 99 ms 16344 KB Output is correct
69 Correct 85 ms 16112 KB Output is correct
70 Correct 66 ms 16096 KB Output is correct
71 Correct 80 ms 16024 KB Output is correct
72 Correct 72 ms 16208 KB Output is correct
73 Correct 92 ms 28624 KB Output is correct
74 Correct 104 ms 28616 KB Output is correct
75 Correct 80 ms 15980 KB Output is correct
76 Correct 64 ms 16024 KB Output is correct
77 Correct 114 ms 15916 KB Output is correct
78 Correct 105 ms 15948 KB Output is correct
79 Correct 78 ms 16028 KB Output is correct
80 Correct 62 ms 15952 KB Output is correct
81 Correct 60 ms 16272 KB Output is correct
82 Correct 77 ms 16184 KB Output is correct
83 Correct 73 ms 20988 KB Output is correct
84 Correct 76 ms 23260 KB Output is correct
85 Correct 85 ms 22800 KB Output is correct
86 Correct 72 ms 17416 KB Output is correct
87 Correct 64 ms 16840 KB Output is correct
88 Correct 105 ms 17112 KB Output is correct
89 Correct 62 ms 17180 KB Output is correct
90 Correct 92 ms 16928 KB Output is correct
91 Correct 89 ms 17136 KB Output is correct
92 Correct 88 ms 17592 KB Output is correct
93 Correct 79 ms 19944 KB Output is correct
94 Correct 75 ms 21704 KB Output is correct
95 Correct 67 ms 20356 KB Output is correct
96 Correct 73 ms 18488 KB Output is correct
97 Correct 67 ms 17116 KB Output is correct
98 Correct 91 ms 16664 KB Output is correct
99 Correct 81 ms 16428 KB Output is correct
100 Correct 83 ms 19516 KB Output is correct
101 Correct 70 ms 17492 KB Output is correct
102 Correct 81 ms 16800 KB Output is correct
103 Correct 95 ms 16564 KB Output is correct
104 Correct 49 ms 16832 KB Output is correct
105 Correct 79 ms 25344 KB Output is correct
106 Correct 45 ms 16768 KB Output is correct
107 Correct 40 ms 16848 KB Output is correct
108 Correct 81 ms 29324 KB Output is correct
109 Correct 41 ms 16908 KB Output is correct
110 Correct 117 ms 29704 KB Output is correct
111 Correct 74 ms 15992 KB Output is correct