All Questions
3
questions with bounties
23
votes
5
answers
1k
views
+250
Ungolf my tinylisp code
I like golfing in tinylisp:
(d M(q((x)(i x(i(disp x)0(M x))0
But I also like posting explanations with nicely formatted code:
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30
votes
1
answer
1k
views
+500
Totally Cubular
Create a program or function to unjumble a 9x9x9 cube of digits by rotating individual 3x3 cubes within it.
This is similar to (but, I suspect, a bit harder than) my Flippin' Squares question.
Input
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35
votes
1
answer
2k
views
+500
Complement a POSIX Extended Regular Expression
Given a POSIX Extended Regular Expression as input, output its complement (also a POSIX ERE). If the given regular expression matches a string, its complement should not match it, and the regex: ...