YexCode

For You

Follow a curated path through the available practice problems. Personalized progress will be added with accounts and submissions.

Arrays & Hashing

Build fluency with lookup tables and frequency counting.

  1. 1.Two SumEasy
  2. 2.Valid AnagramEasy

Search & Dynamic Programming

Practice sorted search and a foundational optimization pattern.

  1. 1.Binary SearchEasy
  2. 2.Maximum SubarrayMedium

Stacks & Backtracking

Work through nested structure validation and recursive choices.

  1. 1.Valid ParenthesesEasy
  2. 2.SubsetsMedium