in reply to How to get this not the usual round robin looping

Wow... homework never had it so easy.
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Re^2: How to get this not the usual round robin looping
by Discipulus (Canon) on Oct 13, 2015 at 19:18 UTC
    Wow... homework never had it so easy.

    if the OP understand half of given solutions is valid homework.
    L*
    There are no rules, there are no thumbs..
    Reinvent the wheel, then learn The Wheel; may be one day you reinvent one of THE WHEELS.
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