I recommend seeing this: https://en.wikipedia.org/wiki/Oscillator_(cellular_automaton)
It's similar to the previous one, but there are multiple automatons and the problem asks for the previous step to the current state.
Find the two-word state names
Factorize THIS, buddy
Is this matrix orthogonal?
Given a 4x4 matrix, swap the two middle columns
GJam 2017 Kickstart: Parentheses (Small)
Minimum Distance Point to Segment
Top of the Hour : Return from your routine within 1 second of the hour
Fix y_correct : Hack
GJam 2014 China Rd A: Rational Number Tree (Large Values)
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