You have an infinite grid, and $n$ pieces. We can measure the distance between two placed pieces using Taxicab Distance. With $n$ pieces, there are ${n \cho...

Here’s a fun little problem to think about. Let’s define a function $f$. It takes in a number $n$, and splits it into the odd digits (the 1st, 3rd, etc) and...

I’ve always been fascinated by puzzles such as sudoku and hashi (bridges). Sometimes, you get a really beautiful chain of deductions leading to an unexpected...