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Unique Random Numbers
http://webdeveloper.earthweb.com/webjs/jsgame/item.php/90951
Unique Random Numbers
JavaScript > Scripts and Programs > Randomizing > Combination
Oct 12, 2006
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Other links at JavaScript > Scripts and Programs > Randomizing > Combination
Here, there are more than one arrays (need not be of same length). First, we pick a number of unique random elements from the first array, numArr1 to form the array pickArr1. Now each element of pickArr1 picks another element from the second array numArr2, which again is unique and random. Thus we form the array pickArr2. Similarly each element of pickArr2 picks unique random elements from numArr3 to form pickArr3.
i.e if the first element of pickArr1 picks the second element of numArr2, then no other element of pickArr1 should pick the second element of numArr2 again
i.e if the first element of pickArr1 picks the second element of numArr2, then no other element of pickArr1 should pick the second element of numArr2 again
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