Big-O Poster [pdf]
Big-O Complexities / Poster of common algorithms used in Computer Science - bigoposter/bigoposter.pdf at master · ro31337/bigoposter
Big-O Poster [pdf] launched on July 5, 2016 with 55 votes, #1,318 of 3,671 launches that month and more than 90% of that year's launches. The site was still online in September 2026, 10 years on.
In plain words
Big-O Poster is a PDF reference guide for computer science students and programmers learning algorithm complexity. It visualizes Big-O notation and time complexity comparisons in an easy-to-reference format. The poster breaks down common algorithm classes and their performance characteristics, making it useful for anyone studying data structures or preparing for technical interviews. It's hosted on GitHub as an open-source resource.
written from the facts on this page · September 2026
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