Given a tree, serialize it into a string that can later be parsed and used to rebuild the original tree.
Engineer Developer Interview Questions
467,806 engineer developer interview questions shared by candidates
find LCA for two nodes of a binary tree.
I expected higher level questions for a senior position. I was not expecting all of the questions to be about foundational data structures and algorithms (which I was a bit rusty on).
Write breadth-first search in a matrix
What sorting algorithm I would use for sorting an array?
Binary Tree - Common Ancestor of two nodes
You have two sorted arrays - how can you effectively merge them into one giant sorted array?
"You are given an array of integers where every integer occurs an even number of times, except one integer that appears an odd number of times. Return the odd occurring integer. Write functioning code and read it to me when you're done."
Justify the suduku
Reverse linked list recursively.
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