Java Recursive Solution


  • 0
    K
    public class Solution {
        public TreeNode invertTree(TreeNode root) {
            if(root == null) return root;
            if(root.left == null && root.right == null) return root; 
            TreeNode temp = root.left;
            root.left = root.right;
            root.right = temp;
            invertTree(root.left);
            invertTree(root.right);
            return root;
        }
    }
    

Log in to reply
 

Looks like your connection to LeetCode Discuss was lost, please wait while we try to reconnect.