reverse.cpp

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#include <algorithm>   // for reverse, reverse_copy
#include <vector>      // for vector
#include <iostream>    // for cout, endl
#include <iterator>    // for ostream_iterator
 
#include <examples.h>
 
 
int main ()
{
    typedef std::vector<int, std::allocator<int> >                    Vector;
    typedef std::ostream_iterator<int, char, std::char_traits<char> > Iter;
 
    // Initialize a vector with an array of integers.
    const Vector::value_type a[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
 
    Vector v (a + 0, a + sizeof a / sizeof *a);
 
    // Print out elements in original (sorted) order.
    std::cout << "Elements before reverse: \n     ";
    std::copy (v.begin (), v.end (), Iter (std::cout, " "));
 
    // Reverse the ordering.
    std::reverse (v.begin (), v.end ());
 
    // Print out the reversed elements.
    std::cout << "\n\nElements after reverse: \n     ";
    std::copy (v.begin (), v.end (), Iter (std::cout, " "));
 
    std::cout << "\n\nA reverse_copy to cout: \n     ";
    std::reverse_copy (v.begin (), v.end (), Iter (std::cout, " "));
    std::cout << std::endl;
 
    return 0;
}