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For challenges involving the manipulation of integers.

2 votes

Is this number an integer power of -2?

Fourier, 53 bytes I~X1~N~G0(0-2*G~GX*X~PG*G>P{1}{0~O~N}G{X}{1~O0~N}N)Oo I'll work on golfing this later, but the outline of this is: X = User input G = N = 1 Loop until N = 0 G = -2 * G P …
Beta Decay's user avatar
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0 votes

How long is my number?

Fourier, 30 bytes I~S<0{1}{-2*S~S}S{0}{S^~S}SL^o Try it on FourIDE! Fourier doesn't have strings, so it uses logs instead. Bytes are wasted on supporting zero and negative numbers.
Beta Decay's user avatar
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3 votes

Is this number an integer power of -2?

Casio BASIC, 76 bytes Note that 76 bytes is what it says on my calculator. ?→X 0→O While Abs(X)≥1 X÷-2→X If X=1 Then 1→O IfEnd WhileEnd O This is my first venture into Casio BASIC... I never reali …
Beta Decay's user avatar
  • 23.4k
16 votes
53 answers
2k views

How long is my number: Restricted Version

Find the original challenge here Challenge Given an integer, Z in the range -2^31 < Z < 2^31, output the number of digits in that number (in base 10). … Rules You must not use any string functions (in the case of overloading, you must not pass a string into functions which act as both string and integer functions). …
Beta Decay's user avatar
  • 23.4k
33 votes
81 answers
6k views

How long is my number?

Challenge Given an integer \$Q\$ in the range \$-2^{100} ≤ Q ≤ 2^{100}\$, output the number of digits in that number (in base 10). Rules Yes, you may take the number as a string and find its length. … Assume the input will always be a valid integer. Examples Input > Output -45 > 2 12548026 > 8 33107638153846291829 > 20 -20000 > 5 0 > 1 or 0 Winning Shortest code in bytes wins. …
Beta Decay's user avatar
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0 votes

Output the sign

Fourier, 18 17 bytes I~A<0{1}{`-`}A/Ao Try it on FourIDE! Explanation pseudocode: A = Input If A<0 Then Print "-" End If Print A/A
Beta Decay's user avatar
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3 votes

Calculate power series result

Noether, 17 bytes I~xI(ax!i^+~ai)aP Try it online! Explanation I~x - Store the input in the variable x I( ) - Loop until the top of the stack equals the input n a …
Beta Decay's user avatar
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