Puzzles & Challenges

I enjoy solving puzzles and brainteasers as a way to challenge myself and keep my problem-solving skills sharp. Below are some of the puzzles and challenges I've been working on recently, along with my thoughts and solutions.

Jane Street Monthly Puzzles

2026-02: Subtiles 2
Solution

This is the 2nd time attempting a Jane Street puzzle after the Timely Journey. The difficulty of this puzzle sits at 7/10.

Zetamac

While not a puzzle, I challenge my mental arithmetic abilities on Zetamac. My goal for 2026 is to do daily arithmetic problems on the standard settings and log every score. Below is a chart of my daily best.