InterviewDigestTechnical Interview2026-08-12
Explain what a stack overflow is, where stacks are used, and how recursion utilizes the stack.
AI-Expanded — inferred from the question title, not from the original candidate report
Define the concept of a stack overflow and explain the role of the call stack in managing function execution and local variables. Describe how recursive function calls interact with this memory structure and identify the specific conditions that lead to a stack overflow error during deep or infinite recursion.
Context & Summary
Second round began with an introduction followed by questions on projects. The interviewer revisited 3 questions from the first round, focusing on pointers, signed and unsigned integers, and probability. Additional questions were asked on anagram checking, maximum depth of a binary tree, pass-by-value vs. pass-by-reference, stack overflow, stack usage, recursion, cache performance in loops, and multithreading with semaphores.
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