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Hashing

Challenges: 6Easy: 4Medium: 2

This Hashing set gathers 6 coding problems, with a mix of 4 easy, 2 medium. They show up in interviews at companies like Amazon, Apple, Meta, Microsoft, Noon, so you can master the pattern once and recognize it everywhere.

Hashing coding problems

  • Contains Duplicate

    Difficulty: EasyAsked by: Amazon, Apple

  • Group Anagrams

    Difficulty: MediumAsked by: Amazon, Meta

  • Longest Substring Without Repeating Characters

    Difficulty: MediumAsked by: Amazon, Meta, Microsoft

  • Top Services by Error Rate

    Difficulty: EasyAsked by: Meta, Noon

  • Two Sum

    Difficulty: EasyAsked by: Amazon, Google, Meta

  • Valid Anagram

    Difficulty: EasyAsked by: Google, Microsoft

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