gukov.dev

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There Are Magic Hexagons of Every Order

2026198 points33 comments Math & Algorithms details

What is so special about the number 19?

The expected value of the game is positive regardless of Ballmer’s strategy

2024193 points160 comments Math & Algorithms details

A few days ago John Graham-Cumming posted about “Steve Ballmer’s incorrect binary search interview question” which drew a lot of attention on Hacker News. The Ballmer’s favorite brain teaser goes like this: