-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathSolution.cs
More file actions
31 lines (30 loc) · 752 Bytes
/
Solution.cs
File metadata and controls
31 lines (30 loc) · 752 Bytes
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
/**
* Definition for a binary tree node.
* public class TreeNode {
* public int val;
* public TreeNode left;
* public TreeNode right;
* public TreeNode(int val=0, TreeNode left=null, TreeNode right=null) {
* this.val = val;
* this.left = left;
* this.right = right;
* }
* }
*/
public class Solution
{
public int Rob(TreeNode root)
{
return DP(root)[0];
}
int[] DP(TreeNode root)
{
int[] ans = new int[2];
if (root == null) return ans;
int[] left = DP(root.left);
int[] right = DP(root.right);
ans[0] = Math.Max(left[0] + right[0], left[1] + right[1] + root.val);
ans[1] = left[0] + right[0];
return ans;
}
}