[algogeeks] Re: largest Number Smaller Than Given Number

Sun, 26 Feb 2006 09:49:33 -0800

This should work

prev_permutation ( )

-Dhyanesh

On 2/26/06, Dont Know <[EMAIL PROTECTED] > wrote:

@daizi sheng

     Thanks for Ur ideas.  But in Ur solution how do  u fix the prefix.
ie., How did U choose 112 as the prefix in the number 11261.  Can
u pls provide the algo.

@Ajay

     U are correct.  for the first example I gave, I made a mistake.
So, I will define the problem again.  Sorry for that.  So the correct
requirement is

     the algo should give the largest number possible, but smaller
than the given number with a constraint  that the same combination
of digits are to be used.  It is true that for some numbers this may
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