1. Describe the procedures, test cases, and frameworks you may use to test a traffic recording system. 2. Same as #1, but for a simple calculator. 3. Return an array representing the most frequently occurring integer within an integer array, where arr[0] is the value and arr[1] is its frequency.
In the last round few questions asked were What is thrashing What is paging
Name a time where you had to sacrifice quality in order to finish on time
Color sort problem leetcode using dutch flag algorithm
4 behavioral questions and a coding question.
There was several questions asked one of them was Design LRU Cache ,which was new to me as I am not well versed in design questions .
Question: Given a single string, split it into all of its valid words given a isValid(str) function. "treesaregood" -> [trees, are, good] "catsmell" -> [cat, smell]
Leetcode return largest k number
Behavioural: Tell me about a time you worked out of your comfort zone. Tell me about a time you were struggling to overcome a difficulty.
give you the preorder and postorder print of tree nodes, reconstruct the tree.
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