题解 | #二叉树的深度#

package main
import . "nc_tools"

type TreeNode struct {
	Val int
	Left *TreeNode
	Rigth *TreeNode
}

func TreeDepth(root *TreeNode ) int {
    if root == nil {
        return 0
    }    
    leftDepth := TreeDepth(root.Left)
    rightDepth := TreeDepth(root.Right)
    if leftDepth > rightDepth {
        return leftDepth + 1
    }else {
        return rightDepth + 1
    }
}