Challenge #25: Creating Merchant Combos

[dashakir1]

Thanks GeneR.

[mdodrajka]

Here's my solution

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[andypick]

solution attached

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[jmt214]

Liked this one, and good timing! I recently had to solve a similar problem with matching pairs in my day job. 

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[terry10]

First I solved this in a convoluted way, then I figured out a simpler path.  - terry10

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 terr 

[Chantelb]

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[johnemery]

My solution could probably be a little simpler/more elegant, but it's short and works well.

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[LindaLo]

I think it is a good challenge 

first you have to create all combinations and hence remove those duplicates with different orders.