C++ Program to Sort a heap

 #include <iostream>
   using std::cout;
   using std::endl;
   #include <algorithm>
   #include <vector>
   #include <iterator>
   int main()
   {
     int a[ 10 ] = { 3, 100, 52, 77, 22, 31, 1, 98, 13, 40 };
     std::vector< int > v( a, a + 10 ); // copy of a
     std::vector< int > v2;
     std::ostream_iterator< int > output( cout, " " );
     std::copy( v.begin(), v.end(), output );
     std::make_heap( v.begin(), v.end() );
     std::sort_heap( v.begin(), v.end() );
     cout << "\n\n";
     std::copy( v.begin(), v.end(), output );
     cout << endl;
     return 0;
   }