fig06_30.cpp

来自「数 据 结 构 与 算 法（C++）的 配套源代码。」· C++ 代码 · 共 24 行

    /**
     * Remove the minimum item.
     * Throws UnderflowException if empty.
     */
    void deleteMin( )
    {
        if( isEmpty( ) )
            throw UnderflowException( );
    
        LeftistNode *oldRoot = root;
        root = merge( root->left, root->right );
        delete oldRoot;
    }
    
    /**
     * Remove the minimum item and place it in minItem.
     * Throws UnderflowException if empty.
     */
    void deleteMin( Comparable & minItem )
    {
        minItem = findMin( );
        deleteMin( );
    }