FYI: The fastest solution mentioned at the problem description uses a lookup-table. Don't beat yourself too much.
Hello, William. I like very much the originality & especially the efficiency of your approach here. Am I correct in thinking that the existing code would struggle to correctly decode a message that was encoded from (say) "Beware of the Sasquatch Man's involvement in Operation Phoenix"? [I don't want to explain this, to avoid giving too many clues to others. But I hope you get my point.] Although I am confident you could tweak your code (if necessary) to handle such cases. —DIV
Inner product of two vectors
Back to basics 12 - Input Arguments
Solve the set of simultaneous linear equations
Generate a vector like 1,2,2,3,3,3,4,4,4,4
Integer sequence - 2 : Kolakoski sequence
Testing for randomness: uniform distribution of real numbers (distribution checking)
Code breaker, Part III: Operation Xiangliu
The twelve days of Christmas
Anyone for tennis? Your chances of winning a (standard) game
Is input the global variable z?
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