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template <class BidirectionalIterator,class OutputIterator>  OutputIterator reverse_copy (BidirectionalIterator first,                               BidirectionalIterator last, OutputIterator result){while (first!=last) {    --last;    *result = *last;    ++result;  }return result;}

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// reverse_copy example#include <iostream>// std::cout#include <algorithm>// std::reverse_copy#include <vector>// std::vectorint main () {int myints[] ={1,2,3,4,5,6,7,8,9};  std::vector<int> myvector;  myvector.resize(9);// allocate space  std::reverse_copy (myints, myints+9, myvector.begin());// print out content:  std::cout <<"myvector contains:";for (std::vector<int>::iterator it=myvector.begin(); it!=myvector.end(); ++it)    std::cout <<' ' << *it;  std::cout <<'\n';return 0;}

myvector contains: 9 8 7 6 5 4 3 2 1