Numbers + Code

My work-in-progress personal blog. I hope to use it to explore various topics in Math & Software Engineering.

Connecting cities with Union-Find

September 15, 2020

We have a grid which contains cities and train tracks, how can we determine which cities are connected to each other?

How many KOs to achieve Tetris Maximus?

May 27, 2020

Tetris 99, Nintendo's battle royale spin on the classic line-clearing phenomenon, has players chasing "Tetris Maximus" by outliving their fellow 98 competitors. What is the expected number of KOs for a Tetris 99 winner?


Written by Christiaan Kruger, a 27-year old Software Engineer living in Cape Town, South Africa. Github | LinkedIn