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A user is asked to enter n number of characters (alphabets, number, characters or anything). as soon as he clicks on the execute button, all the possible combinations of those characters entered by the user should be displayed on the screen including the count of the combinations. the user should be able to sort out or filter the results as per his requirements.
can anyone suggest the approach to be used?
Posted 20-Jan-13 21:48pm

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Solution 1

You may use a recursive approach.
Or, if you are a bit lazy, you may also Google for (or you may read this CodeProject's article: Permutations, Combinations, and Variations using C# Generics[^].
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Comments
Sergey Alexandrovich Kryukov at 21-Jan-13 4:08am
   
A bit... :-) Fair enough anyway, my 5.
—SA
CPallini at 21-Jan-13 4:44am
   
Thank you.

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