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Challenges related to elementary arithmetic.
3
votes
(RGS 1/5) Binary multiples
C# (Visual C# Interactive Compiler), 53 49 bytes
turns out Max can cast chars to codes implicitly
I tried a recursive version, but it was longer. Can't think of a way to replace the loop with LINQ.. …
1
vote
Accepted
Integer Logarithm
Sledgehammer, 11 bytes
Alternatively, 83 bits.
I ended up forgetting to actually answer this with Sledgehammer for a while...
⣜⢍⡪⡱⣰⡵⠅⣧⣼⣅⣸
Compressed from this Wolfram Language code:
If[NumberQ[ …