The O(n) Club

The O(n) Club

Welcome to The O(n) Club – where algorithms run smooth, loops are tight, and Big O isn’t just notation… it’s a lifestyle. This is your elite collection of 500 handpicked LeetCode challenges that matter. From brute force battles to dynamic programming dance-offs, this category is your personal dojo of efficiency, elegance, and edge-case mastery. Expect deep dives, optimal patterns, real-world system design parallels, and code that doesn’t just pass — it flies. If you’re prepping for interviews at FAANG, startups, or just flexing your CS muscles, The O(n) Club is your VIP section.