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Matrix

Challenges: 4Medium: 4

This Matrix set gathers 4 coding problems, with a mix of 4 medium. They show up in interviews at companies like Dubizzle, Noon, Careem, Siemens EDA, Talabat, so you can master the pattern once and recognize it everywhere.

Matrix coding problems

  • Number of Islands

    Difficulty: MediumAsked by: Dubizzle, Noon

  • Rotate Image

    Difficulty: MediumAsked by: Careem

  • Spiral Matrix

    Difficulty: MediumAsked by: Siemens EDA

  • Ride Demand Heatmap

    Difficulty: MediumAsked by: Careem, Talabat, Uber

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