Given a text log of HTTP requests on a particular server, each line has a username and the name of the page the user visited. The pages requests aren't in order and multiple requests from different users are logged in this file non sequentially. Find the most common 3 page sequence for each user.
How do you find the least common ancestor of two nodes in a binary search tree? What is the runtime performance of this?
Questions from Geometry and anlytical areas
Design a file system (Object Model question)
C++ has the concept of multiple inheritance. Java does not have this concept, how can multiple inheritance be implemented in java?
some binary tree related
pyspark,sql,azure services,databricks related questions. sql queries on window funtions, pyspark handling duplicates
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