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set_union

Syntax:

    #include <algorithm>
    output_iterator set_union( input_iterator start1, input_iterator end1, input_iterator2 start2, input_iterator2 end2, output_iterator result );
    output_iterator set_union( input_iterator start1, input_iterator end1, input_iterator2 start2, input_iterator2 end2, output_iterator result, StrictWeakOrdering cmp );

The set_union() algorithm computes the sorted union of the two sorted ranges [start1,end1) and [start2,end2) and stores it starting at result.

The return value of set_union() is an iterator to the end of the union range.

set_union() runs in linear time.

Related Topics: includes, merge, set_difference, set_intersection, set_symmetric_difference

 
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