This program illustrates the use of the STL partition_copy() algorithm from
<algorithm> to copy the odd integers from a vector to one destination and the
even integers from the same vector to another destination.
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3 8 35 9 24 6 13 35 4 9 2 44 7
3 35 9 13 35 9 7
8 24 6 4 2 44 1 1 1 1

First iterator returned points at destination end().
Second iterator returned points at 1.
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