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Dubizzle

Challenges: 3Medium: 3

This Dubizzle coding interview set pulls together 3 challenges, with a mix of 3 medium. The problems lean on bfs, dfs, graph, matrix, arrays, so you can drill the patterns that come up most and walk into the interview ready.

Topics this company tests

Dubizzle coding challenges

  • Number of Islands

    Difficulty: MediumTopics: bfs, dfs, graph, matrix

  • Find Repeating and Missing Number

    Difficulty: MediumTopics: arrays, hash-map, math

  • Validate Binary Search Tree

    Difficulty: MediumTopics: dfs, recursion, trees

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