resume screening, then phone screenings, next is on-site interviews, next is hiring committee reviews, and finally executive reviews. You have the ability to ask questions to make sure you understand the question or task. I suggest you do it often.

Given two words, beginWord and endWord, and a dictionary's word list, find the length of the shortest transformation sequence from beginWord to endWord.

This sequence must adhere to the following rules:

• Only one letter can be changed at a time.
• Each transformed word must exist in the word list.