Big X
Four space diagonals, one cube, zero wasted tokens ᕦ(ò_óˇ)ᕤ
#1 on the code size leaderboard!
| Grid | Code Size | Leaderboard | Cycles | Leaderboard | Date |
|---|---|---|---|---|---|
| 7x7x7 | 16 | 🏆 #1 | 9.073 | #1513 | 2026-02-23 |
Solution
return x*x*2==y*y+z*z and 3How it works
The shape is every voxel where |x|=|y|=|z|, the four space diagonals of the cube. The standard approach checks abs(x)==abs(y) and abs(y)==abs(z), but that’s expensive.
Instead we use a number theory shortcut: 2x² = y² + z² only has integer solutions where all three absolute values are equal (within this grid’s range of 0-3). This collapses two comparisons into one equation, saving tokens. and 3 returns BLACK when the condition holds, empty otherwise.