1p3a Question · Jan 2026 · Los Angeles

Design a Crossword Puzzle Solver

Question Details

Design a Crossword Puzzle Solver Design a service that solves crossword puzzles. You are given a board with empty spots (positions, directions, lengths) and a dictionary of about 1 million words. Yo

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About This Question

This is a reported interview question from a openai interview for a swe role reported in 2025.

It covers the following topics: Hash Table, Strings, Bfs, Tree, Dfs, System Design, Backtracking, Message Queue, Graph, Sql, Distributed Systems, System Design, Queue, Queue, Backtracking .

Difficulty rating: Easy