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// Fig. 21.31: fig21_31.cpp
// Standard library search and sort algorithms.
#include <iostream>
using std::cout;
using std::endl;
#include <algorithm> // algorithm definitions
#include <vector> // vector class-template definition
bool greater10( int value ); // prototype
int main()
{
const int SIZE = 10;
int a[ SIZE ] = { 10, 2, 17, 5, 16, 8, 13, 11, 20, 7 };
std::vector< int > v( a, a + SIZE );
std::ostream_iterator< int > output( cout, " " );
cout << "Vector v contains: ";
std::copy( v.begin(), v.end(), output );
// locate first occurrence of 16 in v
std::vector< int >::iterator location;
location = std::find( v.begin(), v.end(), 16 );
if ( location != v.end() )
cout << "\n\nFound 16 at location "
<< ( location - v.begin() );
else
cout << "\n\n16 not found";
// locate first occurrence of 100 in v
location = std::find( v.begin(), v.end(), 100 );
if ( location != v.end() )
cout << "\nFound 100 at location "
<< ( location - v.begin() );
else
cout << "\n100 not found";
// locate first occurrence of value greater than 10 in v
location = std::find_if( v.begin(), v.end(), greater10 );
if ( location != v.end() )
cout << "\n\nThe first value greater than 10 is "
<< *location << "\nfound at location "
<< ( location - v.begin() );
else
cout << "\n\nNo values greater than 10 were found";
// sort elements of v
std::sort( v.begin(), v.end() );
cout << "\n\nVector v after sort: ";
std::copy( v.begin(), v.end(), output );
// use binary_search to locate 13 in v
if ( std::binary_search( v.begin(), v.end(), 13 ) )
cout << "\n\n13 was found in v";
else
cout << "\n\n13 was not found in v";
// use binary_search to locate 100 in v
if ( std::binary_search( v.begin(), v.end(), 100 ) )
cout << "\n100 was found in v";
else
cout << "\n100 was not found in v";
cout << endl;
return 0;
} // end main
// determine whether argument is greater than 10
bool greater10( int value )
{
return value > 10;
} // end function greater10
/**************************************************************************
* (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice *
* Hall. All Rights Reserved. *
* *
* DISCLAIMER: The authors and publisher of this book have used their *
* best efforts in preparing the book. These efforts include the *
* development, research, and testing of the theories and programs *
* to determine their effectiveness. The authors and publisher make *
* no warranty of any kind, expressed or implied, with regard to these *
* programs or to the documentation contained in these books. The authors *
* and publisher shall not be liable in any event for incidental or *
* consequential damages in connection with, or arising out of, the *
* furnishing, performance, or use of these programs. *
*************************************************************************/
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