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Results tagged with Search options user 34543

For challenges which involve deciding whether or not the input meets certain criteria, and outputting some data, representing that decision.

26
votes
22answers
Challenge: Given a number, take the largest prime strictly less than it, subtract it from this number, do this again to this new number with the biggest prime less than it, and continue doing this un …
asked Sep 11 '16 by Loovjo
2
votes
Python, 71 bytes f=lambda s:len(s)<2or(s[0]!=s[1]and int(s[0])!=7-int(s[1]))and f(s[1:]) Uses a recursive approach. Explanation: f=lambda s: …
answered Dec 21 '16 by Loovjo
0
votes
GolfScript, 12 bytes ~.),""*\=48= Explanation: ~ Evaluate the input. . Duplicate it ) Increment the duplicate. , Create an array from 0 to it. " …
answered Aug 28 '16 by Loovjo
4
votes
GolfScript, 3 bytes ~%! Explanation: ~ # Evaluate the input % # Take the first modulus the second ! # Boolean not Try it online!
answered Jul 21 '16 by Loovjo
8
votes
Python 2, 94 79 72 67 bytes F=lambda s:s in'1'or(s[0]!=s[-1])*F(s[1:-1]) lambda n:F(bin(n)[2:]) Saved 12 bytes thanks to @xnor Defines an unnamed function on the second line. Explanation (with so …
answered Oct 6 '16 by Loovjo
1
vote
Pyth, 8 bytes &>Q1!tPQ Alternative that doesn't support values less than 2: !tPQ
answered Sep 11 '15 by Loovjo