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.
Check if sorted
Tell me the slope
GJam 2015 Rd1B: Counter Culture
Rubik's Cube: 30 Moves or Less : Contest Scoring (Time/Size/Moves)
GJam March 2016 IOW: Passwords and the Block Set
Map all the indices of an Array Indices into a Vector giving Index vs Row and Column
Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .
You can also select a web site from the following list:
Select the China site (in Chinese or English) for best site performance. Other MathWorks country sites are not optimized for visits from your location.
Contact your local office