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partition

Syntax:

    #include <algorithm>
    bidirectional_iterator partition( bidirectional_iterator start, bidirectional_iterator end, Predicate p );

The partition algorithm re-orders the elements in [start,end) such that the elements for which the predicate p returns true come before the elements for which p returns false.

In other words, partition uses p to divide the elements into two groups. The return value of partition is an iterator to the first element for which p returns false.

partition runs in linear time.

Related Topics: stable_partition

 
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