Top 50 Basic Algorithms Interview Questions

Generate the first n Fibonacci numbers using an iterative algorithm.

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Use two pointers to verify whether an AstraZeneca study label is a case-insensitive alphanumeric palindrome.

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Scan an array once to return the second-largest distinct value, handling duplicates and invalid cases efficiently.

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Use two pointers on a sorted array to find two values whose sum equals a target in O(n) time.

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Generate all Fibonacci values up to a limit using iterative and recursive techniques, then compare their implementation trade-offs.

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Reverse each word's characters while preserving the sentence's word order using a linear scan.

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