max_elem.cpp

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#include <algorithm>    // for max_element
#include <functional>   // for less
#include <iostream>     // for cout, endl
#include <vector>       // for vector
 
 
int main ()
{
    typedef std::vector<int, std::allocator<int> > Vector;
    typedef Vector::iterator                       Iterator;
 
    const Vector::value_type d1[] = { 1, 3, 5, 32, 64 };
    // Set up vector.
    Vector v1(d1 + 0, d1 + sizeof d1 / sizeof *d1);
 
    // Find the largest element in the vector.
    Iterator it1 = std::max_element (v1.begin (), v1.end ());
 
    // Find the largest element in the range from
    // the beginning of the vector to the 2nd to last.
    Iterator it2 = std::max_element (v1.begin (), v1.end () - 1,
                                     std::less<int>());
 
    // Find the smallest element.
    Iterator it3 = std::min_element (v1.begin (), v1.end ());
 
    // Find the smallest value in the range from
    // the beginning of the vector plus 1 to the end.
    Iterator it4 = std::min_element (v1.begin () + 1, v1.end (),
                                     std::less<int>());
 
    std::cout << *it1 << " " << *it2 << " "
              << *it3 << " " << *it4 << std::endl;
 
    return 0;
}