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
Tic Tac Toe FTW
Back to basics 12 - Input Arguments
Find best placement for ordered dominoes (harder)
Divisible by 8
Given a square and a circle, please decide whether the square covers more area.
"Percentages may not total 100 due to rounding"
Make your own Test Suite (part 3)
Guess the number I'm thinking of (Part 1)
Code breaker, Part III: Operation Xiangliu
Monte Carlo integration: area of a polygon
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