4 Integers Are Enough To Write A Snake Game
- Andrei Ciobanu
tl;dr: "Note that the code should be taken as a twisted joke, or as an exercise in minimalism, or as both, probably a joke. Because of the aforementioned limitations, we are going to write some nasty macros to perform bitwise operations, use global variables, reuse the same counter, etc. This is not a good example of readable or elegant code."