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Technical Interview2026-08-12

Short coding questions on arrays, strings, linked lists, binary trees, and bit manipulation

AI-Expanded — inferred from the question title, not from the original candidate report

Given a collection of fundamental data structures, implement a set of utility functions that includes reversing a linked list, determining if a string is a palindrome, finding the lowest common ancestor in a binary tree, and calculating the number of set bits in an integer. Your solutions should prioritize optimal time and space complexity while handling potential edge cases such as null inputs or empty data structures.

Context & Summary

60-minute online interview focusing on projects, DSA, OS, CN, coding, and resume-based questions. Included live coding, OS concepts, CN topics, multithreading, Java, and behavioral discussions.

💻 Coding practice works best on desktop.
Code editors are too cramped on mobile screens.