Insert into a Binary Search Tree

Overview

Medium 1 solution

Categories

TreeBinary Search TreeBinary Tree

package tree.recursive;

import tree.TreeNode;

public class InsertIntoABinarySearchTree {

    public TreeNode insertIntoBST(TreeNode root, int val) {
        if (root == null)   return new TreeNode(val);
        if (val > root.val) root.right = insertIntoBST(root.right, val);
        if (val < root.val) root.left = insertIntoBST(root.left, val);
        return root;
    }

}