I don't remember what the questions were exactly. You were given four questions, with 90 minutes to complete them. While you are given three sample test cases per problem, I would make sure to add more custom test cases to ensure you have covered all the edge cases. The questions aren't too tricky, and test your understanding of basic data structures and algorithms.
General questions, not difficult.
Binary Search
1. Why IXL Learning? 2. Graph traversals, greedy algorithms, etc
peak element, palindrome linked list
Sent out a coding challenge using nested arrays.
Leetcode medium with a bit of OOP
Technical questions, name a time when...
Minimum manipulations to anagrams.
Find highest occurrence of string in a tree
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