Well done
its helpful for me
On Wed, Sep 30, 2009 at 12:20 AM, Sandeep sandymau...@gmail.com wrote:
Hello Everyone,
Here is solution for Puzzle#3 NOT PROTECTED, so enjoy it. Hello Vivek I was
aspecting more puzzles from you as per you said but waiting is seems as it
never ends. Please give some more puzzles.
Regards
Sandeep
- Original Message -
From: Ashish Jain 26may.1...@gmail.com
To: MS EXCEL AND VBA MACROS excel-macros@googlegroups.com
Sent: Saturday, September 12, 2009 8:21 AM
Subject: $$Excel-Macros$$ Re: Puzzle #3 - Identify Perfect and Smith
Numbers
Well Done Sandeep and Bruno !! Both of you done it very well.
If I've to rank between Bruno and Sandeep, you will be ranked higher
than Sandeep for your fantastic presentation. I appreciate efforts of
both of you, and agree that this was much harder than previous ones.
But both of you represented superb intellect. Well Done Sandeep and
Bruno !
--
Thanks Regards
Ashish Jain
(Excel Macros - Google Group Manager)
http://www.excelitems.com
(Developer of OpenXL)
http://www.openexcel.com
Excel,VBA,VSTO Trainer
Ph. No. - 0x25402CF2B
---
On Sep 10, 7:42 am, Bruno Bruno brunobbr...@gmail.com wrote:
Is it me, or this puzzle is (much) harder than the others?Not exactly
hard
to do it, but hard to do it in a smart way. What killed me is a way to
identify Pseudo-Primes and their respective primes sum.
Is there an easier way than simply testing all combinations of sums from
a
number's primes? Because when a number has N divisors (others than
itself),
there are 2^N different ways to sum them. When N = 17 (Happens for 180,
240, 252, 288, 300, 336, 360, 396, 420, 432, 450, 468 and 480 in the
first
500 numbers), this means 2^17 combinations - enough to overflow my poor
computer.
So I had to treat this numbers (all of them pseudo-primes) apart from the
general case. I believe the solution is working, but would be very
pleased
to learn a more elegant solution.
(I also considered 0 and 1 special cases - don't know what kind of primes
definition you're using)
Thanks for the puzzle,
Bruno
On Wed, Sep 9, 2009 at 12:46 AM, Ashish Jain 26may.1...@gmail.com
wrote:
Hi All,
This is challenge for all excel users. Solve these puzzles and sharpen
your
excel acumen. So, here goes the second puzzle of Excel Macros Google
Group
in the attached file.
*Old Puzzles:*
Puzzle #1 -
http://groups.google.com/group/excel-macros/browse_thread/thread/3922.
..
Solved by - Harmeet Only.
Puzzle #2 -
http://groups.google.com/group/excel-macros/browse_thread/thread/b4d2.
..
Solved by - Bruno and Sandeep
--
Thanks Regards
Ashish Jain
(Excel Macros - Google Group Manager)
http://www.excelitems.com
(Developer of OpenXL)
http://www.openexcel.com
Excel,VBA,VSTO Trainer
Ph. No. - 0x25402CF2B
---
Puzzle #3.xls
108KViewDownload
--
Regards,
Jai Deo Tiwari,
Rewire Information Systems
Indiranagar,
Bangalore - 38
Mob # 09620346991
.
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