oj.uz

Submission #418767

# Submission time Handle Problem Language Result Execution time Memory
418767 2021-06-05T20:43:24 Z MohamedAhmed04 Power Plant (JOI20_power) C++14
100 / 100
 236 ms 29252 KB 
#include <bits/stdc++.h>

using namespace std ;

const int MAX = 2e5 + 10 ;

int n ;
int mark[MAX] ;
vector< vector<int> >adj(MAX) ;

int ans = 0 ;
int dp[MAX] ;

void dfs(int node , int par)
{
	int cnt = 0 ;
	for(auto &child : adj[node])
	{
		if(child == par)
			continue ;
		dfs(child , node) ;
		cnt += dp[child] ;
		if(mark[node])
			ans = max(ans , dp[child] + 1) ;
	}
	if(mark[node])
		dp[node] = max(1 , cnt - 1) ;
	else
		dp[node] = cnt ;
	ans = max(ans , dp[node]) ;
}

int main()
{
	ios_base::sync_with_stdio(0) ;
	cin.tie(0) ;
	cin>>n ;
	for(int i = 0 ; i < n-1 ; ++i)
	{
		int x , y ;
		cin>>x>>y ;
		adj[x].push_back(y) ;
		adj[y].push_back(x) ;
	}
	for(int i = 1 ; i <= n ; ++i)
	{
		char c ;
		cin>>c ;
		mark[i] = (c - '0') ;
	}
	dfs(1 , -1) ;
	return cout<<ans<<"\n" , 0 ;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 4 ms 4940 KB Output is correct
4 Correct 3 ms 4904 KB Output is correct
5 Correct 3 ms 4940 KB Output is correct
6 Correct 3 ms 4940 KB Output is correct
7 Correct 3 ms 4940 KB Output is correct
8 Correct 3 ms 4940 KB Output is correct
9 Correct 3 ms 4940 KB Output is correct
10 Correct 3 ms 4940 KB Output is correct
11 Correct 4 ms 4940 KB Output is correct
12 Correct 3 ms 4940 KB Output is correct
13 Correct 4 ms 4940 KB Output is correct
14 Correct 4 ms 4940 KB Output is correct
15 Correct 4 ms 4940 KB Output is correct
16 Correct 4 ms 4940 KB Output is correct
17 Correct 4 ms 4940 KB Output is correct
18 Correct 4 ms 4940 KB Output is correct
19 Correct 4 ms 4940 KB Output is correct
20 Correct 4 ms 4940 KB Output is correct
21 Correct 4 ms 4940 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 4 ms 4940 KB Output is correct
4 Correct 3 ms 4904 KB Output is correct
5 Correct 3 ms 4940 KB Output is correct
6 Correct 3 ms 4940 KB Output is correct
7 Correct 3 ms 4940 KB Output is correct
8 Correct 3 ms 4940 KB Output is correct
9 Correct 3 ms 4940 KB Output is correct
10 Correct 3 ms 4940 KB Output is correct
11 Correct 4 ms 4940 KB Output is correct
12 Correct 3 ms 4940 KB Output is correct
13 Correct 4 ms 4940 KB Output is correct
14 Correct 4 ms 4940 KB Output is correct
15 Correct 4 ms 4940 KB Output is correct
16 Correct 4 ms 4940 KB Output is correct
17 Correct 4 ms 4940 KB Output is correct
18 Correct 4 ms 4940 KB Output is correct
19 Correct 4 ms 4940 KB Output is correct
20 Correct 4 ms 4940 KB Output is correct
21 Correct 4 ms 4940 KB Output is correct
22 Correct 4 ms 5068 KB Output is correct
23 Correct 5 ms 5040 KB Output is correct
24 Correct 4 ms 5052 KB Output is correct
25 Correct 5 ms 5084 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 5068 KB Output is correct
29 Correct 6 ms 5196 KB Output is correct
30 Correct 5 ms 5196 KB Output is correct
31 Correct 4 ms 5092 KB Output is correct
32 Correct 4 ms 5068 KB Output is correct
33 Correct 4 ms 5104 KB Output is correct
34 Correct 4 ms 5068 KB Output is correct
35 Correct 4 ms 5068 KB Output is correct
36 Correct 4 ms 5068 KB Output is correct
37 Correct 4 ms 5068 KB Output is correct
38 Correct 4 ms 5068 KB Output is correct
39 Correct 4 ms 5172 KB Output is correct
40 Correct 4 ms 5068 KB Output is correct
41 Correct 4 ms 5068 KB Output is correct
42 Correct 4 ms 5048 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 5044 KB Output is correct
46 Correct 4 ms 5068 KB Output is correct
47 Correct 4 ms 5068 KB Output is correct
48 Correct 4 ms 5196 KB Output is correct
49 Correct 4 ms 5196 KB Output is correct
50 Correct 4 ms 5068 KB Output is correct
51 Correct 4 ms 5044 KB Output is correct
52 Correct 4 ms 5068 KB Output is correct
53 Correct 4 ms 5048 KB Output is correct
54 Correct 4 ms 5068 KB Output is correct
55 Correct 4 ms 5088 KB Output is correct
56 Correct 4 ms 5068 KB Output is correct
57 Correct 4 ms 5196 KB Output is correct
58 Correct 4 ms 5068 KB Output is correct
59 Correct 4 ms 5068 KB Output is correct
60 Correct 4 ms 5196 KB Output is correct
61 Correct 4 ms 5044 KB Output is correct
62 Correct 4 ms 5196 KB Output is correct
63 Correct 4 ms 5068 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 4 ms 4940 KB Output is correct
4 Correct 3 ms 4904 KB Output is correct
5 Correct 3 ms 4940 KB Output is correct
6 Correct 3 ms 4940 KB Output is correct
7 Correct 3 ms 4940 KB Output is correct
8 Correct 3 ms 4940 KB Output is correct
9 Correct 3 ms 4940 KB Output is correct
10 Correct 3 ms 4940 KB Output is correct
11 Correct 4 ms 4940 KB Output is correct
12 Correct 3 ms 4940 KB Output is correct
13 Correct 4 ms 4940 KB Output is correct
14 Correct 4 ms 4940 KB Output is correct
15 Correct 4 ms 4940 KB Output is correct
16 Correct 4 ms 4940 KB Output is correct
17 Correct 4 ms 4940 KB Output is correct
18 Correct 4 ms 4940 KB Output is correct
19 Correct 4 ms 4940 KB Output is correct
20 Correct 4 ms 4940 KB Output is correct
21 Correct 4 ms 4940 KB Output is correct
22 Correct 4 ms 5068 KB Output is correct
23 Correct 5 ms 5040 KB Output is correct
24 Correct 4 ms 5052 KB Output is correct
25 Correct 5 ms 5084 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 5068 KB Output is correct
29 Correct 6 ms 5196 KB Output is correct
30 Correct 5 ms 5196 KB Output is correct
31 Correct 4 ms 5092 KB Output is correct
32 Correct 4 ms 5068 KB Output is correct
33 Correct 4 ms 5104 KB Output is correct
34 Correct 4 ms 5068 KB Output is correct
35 Correct 4 ms 5068 KB Output is correct
36 Correct 4 ms 5068 KB Output is correct
37 Correct 4 ms 5068 KB Output is correct
38 Correct 4 ms 5068 KB Output is correct
39 Correct 4 ms 5172 KB Output is correct
40 Correct 4 ms 5068 KB Output is correct
41 Correct 4 ms 5068 KB Output is correct
42 Correct 4 ms 5048 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 5044 KB Output is correct
46 Correct 4 ms 5068 KB Output is correct
47 Correct 4 ms 5068 KB Output is correct
48 Correct 4 ms 5196 KB Output is correct
49 Correct 4 ms 5196 KB Output is correct
50 Correct 4 ms 5068 KB Output is correct
51 Correct 4 ms 5044 KB Output is correct
52 Correct 4 ms 5068 KB Output is correct
53 Correct 4 ms 5048 KB Output is correct
54 Correct 4 ms 5068 KB Output is correct
55 Correct 4 ms 5088 KB Output is correct
56 Correct 4 ms 5068 KB Output is correct
57 Correct 4 ms 5196 KB Output is correct
58 Correct 4 ms 5068 KB Output is correct
59 Correct 4 ms 5068 KB Output is correct
60 Correct 4 ms 5196 KB Output is correct
61 Correct 4 ms 5044 KB Output is correct
62 Correct 4 ms 5196 KB Output is correct
63 Correct 4 ms 5068 KB Output is correct
64 Correct 176 ms 15628 KB Output is correct
65 Correct 158 ms 15568 KB Output is correct
66 Correct 145 ms 15596 KB Output is correct
67 Correct 151 ms 15740 KB Output is correct
68 Correct 143 ms 15556 KB Output is correct
69 Correct 153 ms 15532 KB Output is correct
70 Correct 139 ms 15556 KB Output is correct
71 Correct 143 ms 15580 KB Output is correct
72 Correct 140 ms 15660 KB Output is correct
73 Correct 168 ms 28228 KB Output is correct
74 Correct 152 ms 28100 KB Output is correct
75 Correct 165 ms 15668 KB Output is correct
76 Correct 135 ms 15428 KB Output is correct
77 Correct 141 ms 15444 KB Output is correct
78 Correct 197 ms 15496 KB Output is correct
79 Correct 199 ms 15468 KB Output is correct
80 Correct 199 ms 15520 KB Output is correct
81 Correct 159 ms 15800 KB Output is correct
82 Correct 153 ms 15660 KB Output is correct
83 Correct 154 ms 20676 KB Output is correct
84 Correct 195 ms 22884 KB Output is correct
85 Correct 176 ms 22516 KB Output is correct
86 Correct 192 ms 16876 KB Output is correct
87 Correct 187 ms 16324 KB Output is correct
88 Correct 206 ms 16808 KB Output is correct
89 Correct 154 ms 16820 KB Output is correct
90 Correct 172 ms 16596 KB Output is correct
91 Correct 207 ms 16836 KB Output is correct
92 Correct 207 ms 17200 KB Output is correct
93 Correct 199 ms 19480 KB Output is correct
94 Correct 208 ms 21180 KB Output is correct
95 Correct 188 ms 20032 KB Output is correct
96 Correct 184 ms 18236 KB Output is correct
97 Correct 147 ms 16608 KB Output is correct
98 Correct 143 ms 16192 KB Output is correct
99 Correct 172 ms 16000 KB Output is correct
100 Correct 151 ms 19140 KB Output is correct
101 Correct 189 ms 17048 KB Output is correct
102 Correct 150 ms 16472 KB Output is correct
103 Correct 154 ms 16176 KB Output is correct
104 Correct 95 ms 16408 KB Output is correct
105 Correct 201 ms 25072 KB Output is correct
106 Correct 91 ms 16184 KB Output is correct
107 Correct 98 ms 16168 KB Output is correct
108 Correct 193 ms 28944 KB Output is correct
109 Correct 116 ms 16452 KB Output is correct
110 Correct 236 ms 29252 KB Output is correct
111 Correct 147 ms 15428 KB Output is correct