// Fig 20.2: BinarySearch.h
// Class that contains a vector of random integers and a function 
// that uses binary search to find an integer.
#include <vector>
using std::vector;

class BinarySearch
{
public:
   BinarySearch( int ); // constructor initializes vector
   int binarySearch( int ) const; // perform a binary search on vector
   void displayElements() const; // display vector elements
private:
   int size; // vector size
   vector< int > data; // vector of ints
   void displaySubElements( int, int ) const; // display range of values
}; // end class BinarySearch


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