14. (17 pts) In this problem you will be working with a dynamically linked binar

Question

14. (17 pts) In this problem you will be working with a dynamically linked binary search tree (BST). Given a class BSTNode with the following private data members: BSTNode *mpLeft BSTNode mpRight; string mData; and the following public member functions: BSTNode (const string &newData;) BSTNode &getLeft; ); BSTNode &getRight; string getData) and a class BST with the following private data member: BSTNode *mpRoot,i Write an appropriate recursive insertNode( method that is a member of the BST class. The function should accept a reference to a pointer (&) to a BSTNode and a const reference to the data to insert. The function does not need to return a value. However, no makeNode() function exists.

Explanation / Answer

void insertNode(BSTNode *&temp, const string &data) {
   while(temp != NULL) {
       if(data <= temp->getData()) {
           temp = temp->getLeft();
       } else{
           temp = temp->getRight();
       }
   }
   temp = new BSTNode(data);
}

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