InterviewDigestTechnical2026-08-12
Print all duplicates in an array.
AI-Expanded — inferred from the question title, not from the original candidate report
Given an array of integers where each element is between 1 and the size of the array, write a function to identify and return all elements that appear more than once. Your solution should aim for optimal time complexity, ideally performing the task in linear time while using minimal extra space.
Context & Summary
Technical interview focused on 3 DSA coding questions and resume-based discussions.
💻 Coding practice works best on desktop.
Code editors are too cramped on mobile screens.
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AI can automatically infer and generate example test cases for this question based on standard algorithmic constraints.