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Hi,

I have a 2 dimensional vector containing entries such as :

10X

01X

001

I merge two rows at a time and get a new row of elements. In other words, when i combine "10X" and "01X" i might get "001" but since "001" is already there i do not want to add it to the 2D vector.

I think "Set" will allow me to store unique elements. But i do not know how to define a Set for this.

Any help is appreciated.

Thanks