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Groups > comp.lang.python > #70427

Re: symple programming task

From Peter Otten <__peter__@web.de>
Subject Re: symple programming task
Date 2014-04-20 21:11 +0200
Organization None
References <cc416b4b-e19d-49b9-abc2-86bcff455f9c@googlegroups.com>
Newsgroups comp.lang.python
Message-ID <mailman.9385.1398021090.18130.python-list@python.org> (permalink)

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Ivan Ivanivich wrote:

> hi all, i have simple programming task:
> 
> [quot]
> If we list all the natural numbers below 10 that are multiples of 3 or 5,
> we get 3, 5, 6 and 9. The sum of these multiples is 23.
> 
> Find the sum of all the multiples of 3 or 5 below 1000.
> [/quote]
> 
> this task from http://projecteuler.net/ site
> 
> I wrote a solution in python
> 
> http://pastebin.com/QXtNuRWU

[for small scripts it is fine to include them directly in your post]

> #!/usr/bin/env python3.2
> 
> total = 0
> for divider in 3, 5:
>         basis=divider
>         while basis < 1000:
>                 mod = basis % divider
>                 if mod == 0:
>                         total = total + basis
>                         print("total = ", total, "basis = ", basis)
> 
>                 basis += 1
> 
> print("total", total)



> this script returned correctly result if "basis < 10", but if "basis <
> 1000" result is 266333 and it is not correctly answer on site
> http://projecteuler.net
> 
> it is my script problem or site not working correctly?

Your script. Try it for the numbers below 20, say, and then compare to a 
result you calculated with pen and paper.

Or look closely at the output produced by the line

> print("total = ", total, "basis = ", basis)

in your code.


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Thread

symple programming task Ivan Ivanivich <ivriabtsov@gmail.com> - 2014-04-20 11:43 -0700
  Re: symple programming task Chris Angelico <rosuav@gmail.com> - 2014-04-21 05:02 +1000
  Re: symple programming task Peter Otten <__peter__@web.de> - 2014-04-20 21:11 +0200
  Re: symple programming task Joel Goldstick <joel.goldstick@gmail.com> - 2014-04-20 15:15 -0400
  Re: symple programming task Ivan Ivanivich <ivriabtsov@gmail.com> - 2014-04-20 12:27 -0700
    Re: symple programming task Joshua Landau <joshua@landau.ws> - 2014-04-21 12:43 +0100
  Re: symple programming task Ivan Ivanivich <ivriabtsov@gmail.com> - 2014-04-21 06:21 -0700
    Re: symple programming task Tim Chase <python.list@tim.thechases.com> - 2014-04-21 08:39 -0500
    Re: symple programming task Chris Angelico <rosuav@gmail.com> - 2014-04-21 23:43 +1000

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