Challenge: Algorithms having only one line of code.

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Challenge: Algorithms having only one line of code.

Moneo

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Posts: 1,956
Threads: 65
Joined: Jun 2003

#50

07-02-2003, 02:42 AM

Here's a rather complex one-liner to determine if a given number N is a power of 2.

Code:
defLNG a-z

if 2^(int(log(N)/log(2)+.5)) = N then print n;" is a power of 2"

Note: My original code did not add the .5 to round the result. However, further testing showed that for certain values of N, like 128, the arithmetic failed. Can anyone tell me why 128 fails without the rounding?
*****

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Messages In This Thread

Challenge: Algorithms having only one line of code. - by Moneo - 06-24-2003, 06:32 AM

Challenge: Algorithms having only one line of code. - by na_th_an - 06-24-2003, 07:17 AM

Challenge: Algorithms having only one line of code. - by Moneo - 06-24-2003, 09:28 AM

Challenge: Algorithms having only one line of code. - by seph - 06-24-2003, 10:06 AM

Challenge: Algorithms having only one line of code. - by oracle - 06-24-2003, 10:06 AM

Challenge: Algorithms having only one line of code. - by Moneo - 06-24-2003, 10:33 AM

Challenge: Algorithms having only one line of code. - by Agamemnus - 06-24-2003, 06:43 PM

To Oracle: 2nd look at your code. - by Moneo - 06-24-2003, 09:07 PM

To Seph and Agamemnus: - by Moneo - 06-24-2003, 09:17 PM

factorial. - by Agamemnus - 06-24-2003, 09:51 PM

To Agamemnus - by Moneo - 06-24-2003, 10:21 PM

Challenge: Algorithms having only one line of code. - by Moneo - 06-25-2003, 10:43 PM

Challenge: Algorithms having only one line of code. - by Antoni Gual - 06-25-2003, 11:30 PM

Challenge: Algorithms having only one line of code. - by Moneo - 06-26-2003, 12:16 AM

Challenge: Algorithms having only one line of code. - by Antoni Gual - 06-26-2003, 02:12 AM

Challenge: Algorithms having only one line of code. - by Moneo - 06-26-2003, 02:33 AM

Challenge: Algorithms having only one line of code. - by Antoni Gual - 06-26-2003, 02:55 AM

Challenge: Algorithms having only one line of code. - by Agamemnus - 06-26-2003, 06:15 AM

Challenge: Algorithms having only one line of code. - by seph - 06-26-2003, 09:57 AM

Challenge: Algorithms having only one line of code. - by na_th_an - 06-26-2003, 05:59 PM

Challenge: Algorithms having only one line of code. - by Moneo - 06-26-2003, 09:06 PM

Challenge: Algorithms having only one line of code. - by Moneo - 06-26-2003, 11:57 PM

Challenge: Algorithms having only one line of code. - by na_th_an - 06-27-2003, 12:53 AM

To na_th_an: - by Moneo - 06-27-2003, 03:15 AM

Challenge: Algorithms having only one line of code. - by oracle - 06-27-2003, 12:57 PM

Challenge: Algorithms having only one line of code. - by LooseCaboose - 06-27-2003, 01:55 PM

ok, - by Agamemnus - 06-27-2003, 05:17 PM

To Oracle re Statlib - by Moneo - 06-27-2003, 10:39 PM

Re: To na_th_an: - by na_th_an - 06-28-2003, 01:14 AM

Challenge: Algorithms having only one line of code. - by Moneo - 06-28-2003, 02:30 AM

To LooseCaboose: - by Moneo - 06-28-2003, 03:08 AM

Challenge: Algorithms having only one line of code. - by LooseCaboose - 06-28-2003, 05:45 AM

Re: To Oracle re Statlib - by oracle - 06-28-2003, 05:50 AM

Challenge: Algorithms having only one line of code. - by Moneo - 06-28-2003, 07:04 AM

Challenge: Algorithms having only one line of code. - by na_th_an - 06-28-2003, 09:12 AM

Challenge: Algorithms having only one line of code. - by oracle - 06-28-2003, 11:07 AM

To Oracle: - by Moneo - 06-29-2003, 03:10 AM

Challenge: Algorithms having only one line of code. - by ak00ma - 06-29-2003, 02:29 PM

Challenge: Algorithms having only one line of code. - by Ninkazu - 06-29-2003, 11:02 PM

Challenge: Algorithms having only one line of code. - by ak00ma - 06-30-2003, 12:53 AM

Challenge: Algorithms having only one line of code. - by DrV - 06-30-2003, 01:01 AM

To Ak00ma: - by Moneo - 06-30-2003, 03:39 AM

Challenge: Algorithms having only one line of code. - by DrV - 06-30-2003, 04:07 AM

Challenge: Algorithms having only one line of code. - by oracle - 06-30-2003, 04:53 AM

Challenge: Algorithms having only one line of code. - by Moneo - 06-30-2003, 07:35 AM

Challenge: Algorithms having only one line of code. - by oracle - 06-30-2003, 09:42 AM

Challenge: Algorithms having only one line of code. - by ak00ma - 06-30-2003, 08:35 PM

Challenge: Algorithms having only one line of code. - by DrV - 07-01-2003, 09:33 AM

Challenge: Algorithms having only one line of code. - by oracle - 07-01-2003, 11:30 AM

Power of 2 - by Moneo - 07-02-2003, 02:42 AM

Challenge: Algorithms having only one line of code. - by Antoni Gual - 07-02-2003, 02:53 AM

To Antoni: - by Moneo - 07-02-2003, 03:03 AM

Challenge: Algorithms having only one line of code. - by Antoni Gual - 07-02-2003, 03:15 AM

Challenge: Algorithms having only one line of code. - by na_th_an - 07-02-2003, 03:25 AM

Challenge: Algorithms having only one line of code. - by oracle - 07-02-2003, 07:28 AM

Challenge: Algorithms having only one line of code. - by BinarySHOCK - 07-02-2003, 11:10 AM

197 - by whitetiger0990 - 07-02-2003, 06:29 PM

To na_th_an re "replacement" logic: - by Moneo - 07-02-2003, 08:29 PM

Re ROUNDING using .5: - by Moneo - 07-02-2003, 08:47 PM

Challenge: Algorithms having only one line of code. - by whitetiger0990 - 07-02-2003, 08:58 PM

Re: Re ROUNDING using .5: - by Moneo - 03-20-2006, 06:19 AM

Challenge: Algorithms having only one line of code. - by Dr_Davenstein - 03-20-2006, 10:09 AM

Challenge: Algorithms having only one line of code. - by Moneo - 03-21-2006, 01:04 AM

Challenge: Algorithms having only one line of code. - by Moneo - 03-21-2006, 01:20 AM

Challenge: Algorithms having only one line of code. - by Ralph - 03-21-2006, 03:24 AM

Challenge: Algorithms having only one line of code. - by Moneo - 03-21-2006, 08:07 AM

Challenge: Algorithms having only one line of code. - by Moneo - 03-21-2006, 08:10 AM

Re: Challenge: Algorithms having only one line of code. - by Ralph - 03-21-2006, 08:19 AM

Challenge: Algorithms having only one line of code. - by Moneo - 03-22-2006, 09:35 AM

Challenge: Algorithms having only one line of code. - by Nemesis - 03-27-2006, 06:11 PM

Challenge: Algorithms having only one line of code. - by Moneo - 03-28-2006, 12:55 AM

Challenge: Algorithms having only one line of code. - by Ralph - 03-28-2006, 08:05 AM

Challenge: Algorithms having only one line of code. - by na_th_an - 03-28-2006, 07:02 PM

Challenge: Algorithms having only one line of code. - by Dr_Davenstein - 03-29-2006, 03:30 AM

Challenge: Algorithms having only one line of code. - by Moneo - 03-29-2006, 05:56 AM

Challenge: Algorithms having only one line of code. - by Moneo - 03-29-2006, 06:41 AM

Challenge: Algorithms having only one line of code. - by Moneo - 03-29-2006, 06:45 AM

Challenge: Algorithms having only one line of code. - by na_th_an - 03-29-2006, 05:01 PM

Challenge: Algorithms having only one line of code. - by yetifoot - 03-29-2006, 09:57 PM

Challenge: Algorithms having only one line of code. - by Anonymous - 03-29-2006, 10:09 PM

Challenge: Algorithms having only one line of code. - by yetifoot - 03-29-2006, 10:19 PM

Challenge: Algorithms having only one line of code. - by Anonymous - 03-29-2006, 10:24 PM

Challenge: Algorithms having only one line of code. - by yetifoot - 03-29-2006, 10:46 PM

Challenge: Algorithms having only one line of code. - by Anonymous - 03-29-2006, 10:52 PM

my one-liner - by neuro - 03-30-2006, 12:08 AM

Challenge: Algorithms having only one line of code. - by Antoni Gual - 03-30-2006, 12:13 AM

Challenge: Algorithms having only one line of code. - by Moneo - 03-30-2006, 01:26 AM

Challenge: Algorithms having only one line of code. - by relsoft - 03-30-2006, 07:24 AM

Challenge: Algorithms having only one line of code. - by Moneo - 03-31-2006, 04:52 AM

Challenge: Algorithms having only one line of code. - by relsoft - 03-31-2006, 11:09 AM

Challenge: Algorithms having only one line of code. - by Ralph - 04-01-2006, 01:20 AM

Challenge: Algorithms having only one line of code. - by Moneo - 04-01-2006, 07:06 AM

Challenge: Algorithms having only one line of code. - by yetifoot - 04-01-2006, 07:28 PM

Challenge: Algorithms having only one line of code. - by yetifoot - 04-26-2006, 08:04 PM

Challenge: Algorithms having only one line of code. - by Moneo - 04-27-2006, 05:49 AM

Challenge: Algorithms having only one line of code. - by yetifoot - 04-27-2006, 09:37 PM

Challenge: Algorithms having only one line of code. - by Antoni Gual - 05-03-2006, 10:55 PM

Challenge: Algorithms having only one line of code. - by yetifoot - 05-05-2006, 05:01 PM

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