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random_sample
Syntax: #include <algorithm> iterator random_sample( iterator start1, iterator end1, iterator start2, iterator end2 ); iterator random_sample( iterator start1, iterator end1, iterator start2, iterator end2, RandomNumberGenerator& rnd ); The random_sample() algorithm randomly copies elements from [start1,end1) to [start2,end2). Elements are chosen with uniform probability and elements from the input range will appear at most once in the output range. If a random number generator function object rnd is supplied, then it will be used instead of an internal random number generator. The return value of random_sample() is an iterator to the end of the output range. random_sample() runs in linear time. Related topics:
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