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Back insert iterator for vector

#include <algorithm> #include <functional> #include <iterator> #include <vector> #include <iostream> using namespace std; int main(int argc, char** argv) {   vector<int> vectorOne, vectorTwo;   vectorOne.push_back(1);   vectorOne.push_back(2);   vectorOne.push_back(3);   back_insert_iterator<vector<int> > inserter(vectorTwo);   remove_copy_if(vectorOne.begin(), vectorOne.end(), inserter,bind2nd(equal_to<int>(), 100));   copy(vectorTwo.begin(), vectorTwo.end(), ostream_iterator<int>(cout, " "));   return (0); }