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More than a thousand problems that sit exactly where mathematics and programming meet. Brute force works for the first few and then stops, so you have to find the number theory or combinatorics that makes the answer computable at all. New problems still arrive every week, and the site is built for anyone the standard curriculum isn't feeding, students and professionals alike.
July 20, 2026
Dynomight on the coming end of pseudonymity, Brian Potter scores 239 laws against their promises, and a Sears-catalog rewrite of American growth.
April 6, 2026
AI Snake Oil on scaling myths, Import AI on 100K training runs, and Tyler Cowen finds AI in the productivity statistics for real this time.
March 23, 2026
Dwarkesh interviews Terence Tao on mathematical discovery, the ACX Grants results fund 42 projects, and EconTalk's Tim Ferriss conversation goes unexpectedly deep.
