intersection of two vectors
You need to sort just the smaller vector.
Then do a single pass over the bigger vector and test a presence
of its items in a smaller vector by using a binary search.
(works in distinct elements of array)
intersection of two vectors
You need to sort just the smaller vector.
Then do a single pass over the bigger vector and test a presence
of its items in a smaller vector by using a binary search.
(works in distinct elements of array)
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