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Arrays

Challenges: 32Easy: 9Medium: 18Hard: 5

This Arrays set gathers 32 coding problems, with a mix of 9 easy, 18 medium, 5 hard. They show up in interviews at companies like Meta, Talabat, Amazon, Apple, Google, so you can master the pattern once and recognize it everywhere.

Arrays coding problems

  • API Latency Percentile

    Difficulty: MediumAsked by: Meta, Talabat

  • Best Time to Buy and Sell Stock

    Difficulty: EasyAsked by: Amazon, Apple, Meta

  • Container With Most Water

    Difficulty: MediumAsked by: Amazon, Google, Microsoft

  • Contains Duplicate

    Difficulty: EasyAsked by: Amazon, Apple

  • Longest Increasing Subsequence

    Difficulty: HardAsked by: Amazon, Google, Microsoft

  • Maximum Subarray

    Difficulty: MediumAsked by: Amazon, Google, Microsoft

  • Add Two Numbers as Arrays

    Difficulty: MediumAsked by: Property Finder

  • Buildings Receiving Sunlight

    Difficulty: MediumAsked by: Careem

  • Find Primes in Array

    Difficulty: EasyAsked by: Valeo Egypt

  • Kth Largest Element in Array

    Difficulty: MediumAsked by: Careem

  • Max Consecutive Ones

    Difficulty: EasyAsked by: Careem

  • Max Consecutive Ones III

    Difficulty: MediumAsked by: Careem

  • Max Sum with Increasing Constraint

    Difficulty: HardAsked by: Orange Egypt

  • Maximum Subarray

    Difficulty: MediumAsked by: Careem, Noon

  • Merge K Sorted Arrays

    Difficulty: HardAsked by: HungerStation, Talabat

  • Merge Two Sorted Arrays

    Difficulty: EasyAsked by: Siemens EDA

  • Find Minimum in Rotated Sorted Array

    Difficulty: MediumAsked by: Siemens EDA

  • Prefix Sum Range Queries

    Difficulty: MediumAsked by: Property Finder

  • Find Repeating and Missing Number

    Difficulty: MediumAsked by: Dubizzle

  • Rotate Image

    Difficulty: MediumAsked by: Careem

  • Sliding Window Maximum

    Difficulty: HardAsked by: Siemens EDA

  • Spiral Matrix

    Difficulty: MediumAsked by: Siemens EDA

  • Top K Frequent Elements

    Difficulty: MediumAsked by: Careem

  • Two Sum

    Difficulty: EasyAsked by: Fawry, Noon, Vodafone Egypt

  • Plus One

    Difficulty: EasyAsked by: Apple, Google

  • Product of Array Except Self

    Difficulty: MediumAsked by: Amazon, Apple, Meta

  • Search in Rotated Sorted Array

    Difficulty: MediumAsked by: Google, Meta, Microsoft

  • Session Timeout Cleanup

    Difficulty: EasyAsked by: Microsoft, Noon

  • Sliding Log Rate Limiter

    Difficulty: MediumAsked by: Careem, Google, Uber

  • Three Sum

    Difficulty: MediumAsked by: Amazon, Google, Meta

  • Trapping Rain Water

    Difficulty: HardAsked by: Amazon, Apple, Google

  • Two Sum

    Difficulty: EasyAsked by: Amazon, Google, Meta

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