Focusing just on the non-repeating aspect, Deitel & Deitel discuss an
algorithm to achieve this in C How To Program. Lets assume we are
talking about shuffling a deck of 52 cards. Assign each card to an
array element, then iterate completely through the array, swapping
each element with a randomly chosen element. The result will be a
shuffled deck, and each card in the resulting deck will be unique.
This does not address of course the issue of the quality of the random
number generator.
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