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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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Maximize Unique Characters

A detailed walkthrough of the Maximize Unique Characters problem, covering the approach, implementation, and optimization.

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Late April, 2026

Meta

Senior

Late April, 2026

Meta

Senior

Late April, 2026

Meta

Mid-level

The test case for wordle seemed much longer than the one in the practice, and even given all the optimizations we had, plus another one of pruning words that had the same bitmask, it didn't pass in time.

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