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c++/Others/BinaryHeap.h - Header file for binary heap.cpp

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+BinaryHeap.h - Header file for binary heap
+	
+	#ifndef BINARY_HEAP_H_
+        #define BINARY_HEAP_H_
+
+        #include "dsexceptions.h"
+        #include "vector.h"
+
+        // BinaryHeap class
+        //
+        // CONSTRUCTION: with an optional capacity (that defaults to 100)
+        //
+        // ******************PUBLIC OPERATIONS*********************
+        // void insert( x )       --> Insert x
+        // deleteMin( minItem )   --> Remove (and optionally return) smallest item
+        // Comparable findMin( )  --> Return smallest item
+        // bool isEmpty( )        --> Return true if empty; else false
+        // bool isFull( )         --> Return true if full; else false
+        // void makeEmpty( )      --> Remove all items
+        // ******************ERRORS********************************
+        // Throws Underflow and Overflow as warranted
+
+        template <class Comparable>
+        class BinaryHeap
+        {
+          public:
+            explicit BinaryHeap( int capacity = 100 );
+
+            bool isEmpty( ) const;
+            bool isFull( ) const;
+            const Comparable & findMin( ) const;
+
+            void insert( const Comparable & x );
+            void deleteMin( );
+            void deleteMin( Comparable & minItem );
+            void makeEmpty( );
+
+          private:
+            int                currentSize;  // Number of elements in heap
+            vector<Comparable> array;        // The heap array
+
+            void buildHeap( );
+            void percolateDown( int hole );
+        };
+
+        #include "BinaryHeap.cpp"
+        #endif