Maximize Unique Characters from Word List
Given a list of words, find a subset that maximizes the total number of unique characters used, ensuring no character appears more than once across all selected words.
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Guided Practice
Practice Maximize Unique Characters with AI-powered feedback
Guided Practice
Practice Maximize Unique Characters with AI-powered feedback
Hello Interview Problem Breakdown
Maximize Unique Characters
A detailed walkthrough of the Maximize Unique Characters problem, covering the approach, implementation, and optimization.
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Late May, 2026
Meta
Senior
Late May, 2026
Meta
Staff
AI coding round, had some minor helpers to read datasets from files + some test files.
Mid May, 2026
Meta
Senior
Forgot sorting the words. Last 2 cases including wordle didn't pass
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