Package g0201_0300.s0226_invert_binary_tree

Class Solution

java.lang.Object
g0201_0300.s0226_invert_binary_tree.Solution
public class Solution extends Object
226 - Invert Binary Tree.

Easy

Given the root of a binary tree, invert the tree, and return its root.

Example 1:

Input: root = [4,2,7,1,3,6,9]

Output: [4,7,2,9,6,3,1]

Example 2:

Input: root = [2,1,3]

Output: [2,3,1]

Example 3:

Input: root = []

Output: []

Constraints:

  • The number of nodes in the tree is in the range [0, 100].
  • -100 <= Node.val <= 100

  • Constructor Details

    • Solution

      public Solution()

  • Method Details