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copy_n
Syntax: #include <algorithm> iterator copy_n( iterator from, size_t num, iterator to ); The copy_n() function copies num elements starting at from to the destination pointed at by to. To put it another way, copy_n() performs num assignments and duplicates a subrange. The return value of copy_n() is an iterator that points to the last element that was copied, i.e. (to + num). This function runs in linear time. Related topics:
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