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Submission #891383

# Submission time Handle Problem Language Result Execution time Memory
891383 2023-12-22T20:35:16 Z amirhoseinfar1385 Power Plant (JOI20_power) C++17
100 / 100
 94 ms 29292 KB 
#include<bits/stdc++.h>
using namespace std;
const int maxn=200000+10;
int dp[maxn],res=0,n,val[maxn];
vector<int>adj[maxn];

void dfs(int u=1,int par=0){
	for(auto x:adj[u]){
		if(x!=par){
			dfs(x,u);
			dp[u]+=dp[x];
			res=max(res,dp[x]+val[u]);
		}
	}
	dp[u]=max(dp[u]+val[u]*-1,val[u]);
	return ;
}

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	cin>>n;
	for(int i=0;i<n-1;i++){
		int u,v;
		cin>>u>>v;
		adj[u].push_back(v);
		adj[v].push_back(u);
	}
	for(int i=1;i<=n;i++)
	{
		char c;
		cin>>c;
		val[i]=c-'0';
	}
	dfs(1);
	res=max(res,dp[1]);
	cout<<res<<"\n";
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4952 KB Output is correct
2 Correct 1 ms 4956 KB Output is correct
3 Correct 1 ms 5160 KB Output is correct
4 Correct 1 ms 4956 KB Output is correct
5 Correct 1 ms 4956 KB Output is correct
6 Correct 1 ms 4956 KB Output is correct
7 Correct 1 ms 4956 KB Output is correct
8 Correct 1 ms 4956 KB Output is correct
9 Correct 2 ms 4956 KB Output is correct
10 Correct 1 ms 5160 KB Output is correct
11 Correct 1 ms 5168 KB Output is correct
12 Correct 1 ms 4952 KB Output is correct
13 Correct 1 ms 4972 KB Output is correct
14 Correct 1 ms 5168 KB Output is correct
15 Correct 1 ms 4956 KB Output is correct
16 Correct 1 ms 5164 KB Output is correct
17 Correct 1 ms 4956 KB Output is correct
18 Correct 2 ms 4956 KB Output is correct
19 Correct 1 ms 4956 KB Output is correct
20 Correct 2 ms 5160 KB Output is correct
21 Correct 1 ms 4956 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4952 KB Output is correct
2 Correct 1 ms 4956 KB Output is correct
3 Correct 1 ms 5160 KB Output is correct
4 Correct 1 ms 4956 KB Output is correct
5 Correct 1 ms 4956 KB Output is correct
6 Correct 1 ms 4956 KB Output is correct
7 Correct 1 ms 4956 KB Output is correct
8 Correct 1 ms 4956 KB Output is correct
9 Correct 2 ms 4956 KB Output is correct
10 Correct 1 ms 5160 KB Output is correct
11 Correct 1 ms 5168 KB Output is correct
12 Correct 1 ms 4952 KB Output is correct
13 Correct 1 ms 4972 KB Output is correct
14 Correct 1 ms 5168 KB Output is correct
15 Correct 1 ms 4956 KB Output is correct
16 Correct 1 ms 5164 KB Output is correct
17 Correct 1 ms 4956 KB Output is correct
18 Correct 2 ms 4956 KB Output is correct
19 Correct 1 ms 4956 KB Output is correct
20 Correct 2 ms 5160 KB Output is correct
21 Correct 1 ms 4956 KB Output is correct
22 Correct 2 ms 5208 KB Output is correct
23 Correct 2 ms 5212 KB Output is correct
24 Correct 2 ms 5176 KB Output is correct
25 Correct 2 ms 5180 KB Output is correct
26 Correct 2 ms 5208 KB Output is correct
27 Correct 2 ms 5212 KB Output is correct
28 Correct 2 ms 5128 KB Output is correct
29 Correct 2 ms 5212 KB Output is correct
30 Correct 2 ms 5252 KB Output is correct
31 Correct 2 ms 5208 KB Output is correct
32 Correct 2 ms 5212 KB Output is correct
33 Correct 2 ms 5208 KB Output is correct
34 Correct 3 ms 5212 KB Output is correct
35 Correct 2 ms 5228 KB Output is correct
36 Correct 2 ms 5208 KB Output is correct
37 Correct 2 ms 5212 KB Output is correct
38 Correct 2 ms 5212 KB Output is correct
39 Correct 2 ms 5180 KB Output is correct
40 Correct 2 ms 5212 KB Output is correct
41 Correct 2 ms 5212 KB Output is correct
42 Correct 2 ms 5228 KB Output is correct
43 Correct 2 ms 5212 KB Output is correct
44 Correct 2 ms 5176 KB Output is correct
45 Correct 2 ms 5212 KB Output is correct
46 Correct 2 ms 5212 KB Output is correct
47 Correct 2 ms 5876 KB Output is correct
48 Correct 2 ms 5212 KB Output is correct
49 Correct 2 ms 5212 KB Output is correct
50 Correct 2 ms 5212 KB Output is correct
51 Correct 2 ms 5224 KB Output is correct
52 Correct 2 ms 5212 KB Output is correct
53 Correct 2 ms 5212 KB Output is correct
54 Correct 2 ms 5212 KB Output is correct
55 Correct 2 ms 5212 KB Output is correct
56 Correct 1 ms 5212 KB Output is correct
57 Correct 2 ms 5212 KB Output is correct
58 Correct 2 ms 5212 KB Output is correct
59 Correct 2 ms 5212 KB Output is correct
60 Correct 2 ms 5212 KB Output is correct
61 Correct 2 ms 5212 KB Output is correct
62 Correct 2 ms 5380 KB Output is correct
63 Correct 2 ms 5212 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4952 KB Output is correct
2 Correct 1 ms 4956 KB Output is correct
3 Correct 1 ms 5160 KB Output is correct
4 Correct 1 ms 4956 KB Output is correct
5 Correct 1 ms 4956 KB Output is correct
6 Correct 1 ms 4956 KB Output is correct
7 Correct 1 ms 4956 KB Output is correct
8 Correct 1 ms 4956 KB Output is correct
9 Correct 2 ms 4956 KB Output is correct
10 Correct 1 ms 5160 KB Output is correct
11 Correct 1 ms 5168 KB Output is correct
12 Correct 1 ms 4952 KB Output is correct
13 Correct 1 ms 4972 KB Output is correct
14 Correct 1 ms 5168 KB Output is correct
15 Correct 1 ms 4956 KB Output is correct
16 Correct 1 ms 5164 KB Output is correct
17 Correct 1 ms 4956 KB Output is correct
18 Correct 2 ms 4956 KB Output is correct
19 Correct 1 ms 4956 KB Output is correct
20 Correct 2 ms 5160 KB Output is correct
21 Correct 1 ms 4956 KB Output is correct
22 Correct 2 ms 5208 KB Output is correct
23 Correct 2 ms 5212 KB Output is correct
24 Correct 2 ms 5176 KB Output is correct
25 Correct 2 ms 5180 KB Output is correct
26 Correct 2 ms 5208 KB Output is correct
27 Correct 2 ms 5212 KB Output is correct
28 Correct 2 ms 5128 KB Output is correct
29 Correct 2 ms 5212 KB Output is correct
30 Correct 2 ms 5252 KB Output is correct
31 Correct 2 ms 5208 KB Output is correct
32 Correct 2 ms 5212 KB Output is correct
33 Correct 2 ms 5208 KB Output is correct
34 Correct 3 ms 5212 KB Output is correct
35 Correct 2 ms 5228 KB Output is correct
36 Correct 2 ms 5208 KB Output is correct
37 Correct 2 ms 5212 KB Output is correct
38 Correct 2 ms 5212 KB Output is correct
39 Correct 2 ms 5180 KB Output is correct
40 Correct 2 ms 5212 KB Output is correct
41 Correct 2 ms 5212 KB Output is correct
42 Correct 2 ms 5228 KB Output is correct
43 Correct 2 ms 5212 KB Output is correct
44 Correct 2 ms 5176 KB Output is correct
45 Correct 2 ms 5212 KB Output is correct
46 Correct 2 ms 5212 KB Output is correct
47 Correct 2 ms 5876 KB Output is correct
48 Correct 2 ms 5212 KB Output is correct
49 Correct 2 ms 5212 KB Output is correct
50 Correct 2 ms 5212 KB Output is correct
51 Correct 2 ms 5224 KB Output is correct
52 Correct 2 ms 5212 KB Output is correct
53 Correct 2 ms 5212 KB Output is correct
54 Correct 2 ms 5212 KB Output is correct
55 Correct 2 ms 5212 KB Output is correct
56 Correct 1 ms 5212 KB Output is correct
57 Correct 2 ms 5212 KB Output is correct
58 Correct 2 ms 5212 KB Output is correct
59 Correct 2 ms 5212 KB Output is correct
60 Correct 2 ms 5212 KB Output is correct
61 Correct 2 ms 5212 KB Output is correct
62 Correct 2 ms 5380 KB Output is correct
63 Correct 2 ms 5212 KB Output is correct
64 Correct 62 ms 15600 KB Output is correct
65 Correct 67 ms 15784 KB Output is correct
66 Correct 62 ms 15588 KB Output is correct
67 Correct 94 ms 15688 KB Output is correct
68 Correct 57 ms 15592 KB Output is correct
69 Correct 75 ms 15952 KB Output is correct
70 Correct 58 ms 15700 KB Output is correct
71 Correct 78 ms 15620 KB Output is correct
72 Correct 68 ms 15720 KB Output is correct
73 Correct 77 ms 28240 KB Output is correct
74 Correct 94 ms 28804 KB Output is correct
75 Correct 77 ms 15652 KB Output is correct
76 Correct 61 ms 15512 KB Output is correct
77 Correct 56 ms 15512 KB Output is correct
78 Correct 59 ms 15444 KB Output is correct
79 Correct 57 ms 15444 KB Output is correct
80 Correct 66 ms 15560 KB Output is correct
81 Correct 52 ms 15816 KB Output is correct
82 Correct 56 ms 15696 KB Output is correct
83 Correct 88 ms 21004 KB Output is correct
84 Correct 70 ms 22864 KB Output is correct
85 Correct 71 ms 22692 KB Output is correct
86 Correct 61 ms 16980 KB Output is correct
87 Correct 74 ms 16428 KB Output is correct
88 Correct 73 ms 16952 KB Output is correct
89 Correct 61 ms 16988 KB Output is correct
90 Correct 66 ms 16716 KB Output is correct
91 Correct 80 ms 16892 KB Output is correct
92 Correct 80 ms 17228 KB Output is correct
93 Correct 61 ms 19664 KB Output is correct
94 Correct 65 ms 21372 KB Output is correct
95 Correct 59 ms 20016 KB Output is correct
96 Correct 82 ms 18344 KB Output is correct
97 Correct 56 ms 16596 KB Output is correct
98 Correct 58 ms 16312 KB Output is correct
99 Correct 75 ms 15956 KB Output is correct
100 Correct 67 ms 19300 KB Output is correct
101 Correct 63 ms 17236 KB Output is correct
102 Correct 59 ms 16540 KB Output is correct
103 Correct 61 ms 16212 KB Output is correct
104 Correct 41 ms 16328 KB Output is correct
105 Correct 78 ms 25212 KB Output is correct
106 Correct 47 ms 16224 KB Output is correct
107 Correct 42 ms 16328 KB Output is correct
108 Correct 75 ms 29124 KB Output is correct
109 Correct 46 ms 16340 KB Output is correct
110 Correct 74 ms 29292 KB Output is correct
111 Correct 71 ms 15536 KB Output is correct