InterviewDigestTechnical2026-08-13
Leetcode medium-level question
AI-Expanded — inferred from the question title, not from the original candidate report
Given an array of integers, find all unique triplets in the array that sum up to exactly zero. Ensure that the solution avoids duplicate triplets and returns the result as a list of lists, optimizing for a time complexity better than O(n³).
Context & Summary
Online Assessment with coding questions
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Code editors are too cramped on mobile screens.
Conceptual Question
This appears to be a conceptual, design, or behavioral question rather than an algorithmic coding problem. The code editor and automated test cases have been disabled for this question.
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