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using namespace std;
void printTree(string name);
void main()
{
Tree treeClass;
treeNode* theRoott = NULL;
treeNode* copyRoot = NULL;
treeClass.insertNode("Jinx",theRoott); // inserts the names into the binary tree;
treeClass.insertNode("Charmander",theRoott);
treeClass.insertNode("Snorlax",theRoott);
treeClass.insertNode("Clefairy",theRoott);
treeClass.insertNode("Diglett",theRoott);
treeClass.insertNode("Kakuna",theRoott);
treeClass.insertNode("Meowth",theRoott);
treeClass.insertNode("Nidorina",theRoott);
treeClass.insertNode("Pikachu",theRoott);
treeClass.insertNode("Blastoise",theRoott);
treeClass.insertNode("Squirtle",theRoott);
treeClass.insertNode("Ivysaur",theRoott);
treeClass.insertNode("Bulbasaur",theRoott);
treeClass.insertNode("Abra",theRoott);
treeClass.copyTree(copyRoot, theRoott);
treeClass.inOrderTraversal(printTree,copyRoot); // should print the copy tree
cin.get();
cin.ignore();
}
Tree::Tree(){
string data = "";
treeNode* left = NULL;
treeNode* right=NULL;
theRoot = NULL;
current = NULL;
Trail=NULL;
traversal=NULL;
nodeToSwap=NULL;
parentNodeToSwap=NULL;
}
bool Tree::insertNode(string name, treeNode* &theRoot)
{
treeNode* newNode = NULL;
treeNode* current = NULL;
treeNode* previous = NULL;
newNode = new treeNode;
newNode->data = name;
newNode->left = NULL;
newNode->right = NULL;
current = theRoot;
if (current == NULL) // if the current or the root is NULL that means its empty
{
theRoot = newNode;
return true;
}
else
{
while (current != NULL)
{
if (newNode->data < current->data) // we would go left
{
previous = current; // update our prev to equal current
current = current->left;// would go left because its smaller then current
}
else if (newNode->data> current->data) // we would go right
{
previous = current;
current = current->right;
}
else // the nodes are the same
{
return false;
}
}
if (newNode->data < previous->data)
{
previous->left = newNode;
}
else
{
previous->right = newNode;
}
return true;
}
}
void Tree::inOrderTraversal(const function<void(string)> &funcToCall, treeNode* theRoot)
{
if (theRoot != NULL)
{
// call the traversal function on the left child
inOrderTraversal(funcToCall,theRoot->left);
// print the node
//printTree(theRoot->data);
std::cout << theRoot->data << endl;
// call the traversal function on the right child
inOrderTraversal(funcToCall,theRoot->right);
}
}
void Tree::postOrderTraversal(const function<void(string)> &funcToCall, treeNode* theRoot)
{
if (theRoot != NULL)
{
// call the traversal function on the left child
postOrderTraversal(funcToCall,theRoot->left);
// call the traversal function on the right child
postOrderTraversal(funcToCall,theRoot->right);
// print the node
//std::cout << theRoot->data;
}
}
void Tree::preOrderTraversal(const function<void(string)> &funcToCall, treeNode* theRoot)
{
if (theRoot != NULL)
{
// print the node
//cout << theRoot->data;
// call the traversal function on the left child
preOrderTraversal(funcToCall,theRoot->left);
// call the traversal function on the right child
preOrderTraversal(funcToCall,theRoot->right);
}
}
void Tree::copyTree(treeNode* treeCopy,const treeNode * theRoot)
{
/*if (theRoot = NULL)
{
treeCopy = NULL;
}
else
{*/
while (theRoot != NULL)
{
treeCopy = new treeNode;
treeCopy->data = theRoot->data;
copyTree(treeCopy->left, theRoot->left);
copyTree(treeCopy->right, theRoot->right);
}
}
void printTree(string name)
{
cout << name<<','<< endl;
}
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