//深度遍历求树高
/**
public class TreeNode {
int val = 0;
TreeNode left = null;
TreeNode right = null;
public TreeNode(int val) {
this.val = val;
}
}
*/
public class Solution {
public int TreeDepth(TreeNode root) {
return deep(root);
}
public int deep(TreeNode root){
if(root == null){
return 0;
}
return (deep(root.left)+1) > (deep(root.right)+1) ? (deep(root.left)+1) : (deep(root.right)+1);
}
}