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Dubizzle

Challenges: 3Medium: 3

This Dubizzle coding-practice set brings together 3 challenges, with a mix of 3 medium. The problems lean on bfs, dfs, graph, matrix, arrays, so you can rehearse relevant patterns and review your progress.

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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