Technical Interview Resources
By Programming Language
By Technical Topic
In-depth Solutions to Interview Questions
Count Complete Tree Nodes
Given the root of a complete binary tree, return the number of nodes in the tree.
Given an inefficient file structure, how would you store data to efficiently look up the query? How would you alter this if you had many computers available?
Given a list of words, match all words with other words from the list that are a prefix for the word.