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template <class InputIterator,class OutputIterator,class T>  OutputIterator remove_copy (InputIterator first, InputIterator last,                              OutputIterator result,const T& val){while (first!=last) {if (!(*first == val)) {      *result = *first;      ++result;    }    ++first;  }return result;}

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// remove_copy example#include <iostream>// std::cout#include <algorithm>// std::remove_copy#include <vector>// std::vectorint main () {int myints[] = {10,20,30,30,20,10,10,20};// 10 20 30 30 20 10 10 20  std::vector<int> myvector (8);  std::remove_copy (myints,myints+8,myvector.begin(),20);// 10 30 30 10 10 0 0 0  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: 10 30 30 10 10 0 0 0