The story exploded across the intertubes a few days ago: A software engineer trying to enter the United States on a work visa was asked to prove his occupation by writing a program for the Customs and Border Protection agent:

Write a function to check if a Binary Search Tree is balanced.

Let’s help him.

Your task is to write a function to check if a binary search tree is balanced. When you are finished, you are welcome to read or run a suggested solution, or to post your own solution or discuss the exercise in the comments below.

Pages: 1 2