Hello, I want to try for site reliability engineering. I have interviewed with few companies in the past and most of the coding questions are pertaining to text analysis , parsing and DS in my experience. Any good sources to find sample SRE interview coding questions for practice? Is learning OOP and Binary trees important?
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It depends. I had interviews where I had to explain how tries work or the internal implementation of a hash in an SRE interview. While most don't ask beyond Easy-Medium string or array questions or file parsing, it's better to learn about trees, LLists, so on even for sre interviews. OOP concepts are sort of mandatory to be understood by anyone who writes code.
Is there a good source to find these string array/ file parsing questions? I know Hacker rank had some but not sure where else...
Leetcode Easy/Medium of those arrays, strings, stacks, queues. Just work on reading, writing, parsing files/outputs and regexps in Python. Pretty straightforward if you check interview questions on that format.