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Mar 8, 2024 · Fundamentals

Interview Q&A: C Language Basics, Algorithms, Memory Management, and System Programming

This article provides concise explanations and code examples for common interview questions covering C global variable defaults, binary representations, finding top‑k elements, double‑pointer and binary search techniques, OOP concepts in C, differences between C++ class and struct, UDP packet limits, TCP read() return values, memory leaks in infinite loops, and resource cleanup on process exit.