#quick-sort

Quick Sort

Introduction Quick Sort is a divide-and-conquer sorting algorithm that works by picking a “pivot” element and partitioning the array so that everything smaller goes to the left and everything larger goes to the right. Then it recursively sorts each side. It’s like organizing a messy bookshelf by picking a book in the middle, putting everything shorter to the left and taller to the right, then repeating for each side. Quick Sort is one of the most widely used sorting algorithms in practice — it’s the default in many standard library implementations because of its excellent average-case performance and low overhead. Read more →

March 31, 2026