- Print all permutations of a string - Sort an absolutely sorted array into actual sorted array - Serialize and deserialize a binary tree (used a priority queue) - Design a hash module and make search efficient (LLD) - Design connection ranking system of LinkedIn (level 1 connection, level 2 connection etc) [HLD] - Questions about work and behavioral questions
Given a “2 x n” board and tiles of size “2 x 1”, count the number of ways to tile the given board using the 2 x 1 tiles. A tile can either be placed horizontally i.e., as a 1 x 2 tile or vertically i.e., as 2 x 1 tile.
One storage node has a set of text files. Each file is huge 1+GB in size. A query file is provided having a list of words. Program has to parse through the text files and compute frequency of words found from the query file.
Past roles and responsibilities
Implementation of min-stack and median heap.
Coding Problem on Stack, DP, Greedy
There were lot of algorithmic questions that were depend on strings, numbers array. There were questions related to multithreading, design patterns, java class loading, distributing systems.
Questions based on Networking, Operating Systems can be expected based on your choice. Coding questions with medium difficulty is also expected.
Q. How do you join two lists in c#?
Talk about the project you think is interesting.
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