Source of sort2b.cpp

Structures and functions

  1: //sort2b.cpp

  3: #include <iostream>
  4: #include <vector>
  5: #include <algorithm>
  6: #include <functional>
  7: using namespace std;

  9: int main()
 10: {
 11:     cout << "\nThis program illustrates the use of the STL sort "
 12:             "algorithm, together with a\nbuilt-in STL function "
 13:             "object, to sort values in descending order.";
 14:     cout << "\nPress Enter to continue ... ";  cin.ignore(80, '\n');

 16:     int a[] = {17, 12, 14, 19, 23, 15, 61, 20, 81, 11};
 17:     vector<int> v(a, a+10);

 19:     cout << "\nHere are the original contents of a vector:\n";
 20:     for (vector<int>::size_type i=0; i<v.size(); i++)
 21:         cout << v.at(i) << " ";;
 22:     cout << "\nPress Enter to continue ... ";  cin.ignore(80, '\n');

 24:     sort(v.begin(), v.end(), greater<int>());

 26:     cout << "\nAnd here they are sorted in descending order:\n";
 27:     for (vector<int>::size_type i=0; i<v.size(); i++)
 28:         cout << v.at(i) << " ";
 29:     cout << "\nPress Enter to continue ... ";  cin.ignore(80, '\n');
 30: }