how to print all combination of n letter by vb.net language

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Hi every one I want to print all combination of n letter by vb.net language
for example my letter are A,B.C,D,E
I Want to have
A
B
C
D
E
AB
AC
AD
AE
BC
BD
BE
CD
......
please help me
thanks

Posted 27-Aug-15 2:15am

rezaeti

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Sergey Alexandrovich Kryukov 27-Aug-15 10:36am

What have you tried so far?
—SA

Richard Deeming 27-Aug-15 15:45pm

Google will find you lots of code for generating combinations. For example:
Combinations - Rosetta Code[^]

It's in C#, but you should easily be able to convert it to VB.NET.

rezaeti 28-Aug-15 6:10am

thanks

2 solutions

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Maciej Los · Accepted Answer · 2015-08-27T11:28:00

Solution 1

Start here: Permutations in Visual Basic -- Generating All Possible Combinations[^]

For further information, please see:
https://en.wikipedia.org/wiki/Combination[^]
https://en.wikipedia.org/wiki/Permutation[^]

And please, use Google before you ask a question.

Posted 27-Aug-15 11:28am

Maciej Los

Matt T Heffron · Accepted Answer · 2015-08-27T12:15:00

Solution 2

See my Tip/Trick: Subset - Sum Problem with Numeric Collections [^]
which includes a very efficient way to generate all possible combinations of n items.

(Yes, it is c#, but should be straightforward to convert to VB.)

Posted 27-Aug-15 12:15pm

Matt T Heffron

Updated 27-Aug-15 12:19pm

v3

Comments

Maciej Los 28-Aug-15 3:11am

5ed!