added some additional description about static members of class

Author: anishsingh20

Data Structures/Trees/Binary Trees/DeepestLeftLeafNode.cpp

@@ -92,6 +92,37 @@ BinaryTreeNode *DeepestLeftLeaf(struct BinaryTreeNode *root)
 
 
 
+BinaryTreeNode *printleafTree(struct BinaryTreeNode *root,int level)
+{
+	//base condition
+	if(root==NULL) return;
+	
+	int htl = heightTree(root->left);
+	int htr = heightTree(root->right);
+	if(level==0) 
+	{
+		if(root->left==NULL && root->right==NULL)
+		{
+			return root;
+		}
+		
+		
+	}
+		
+	else if(level  > 0 )
+	{
+		//if order is to traverse from left to right
+		
+		if(htl > htr)
+			return printTree(root->left,level-1);
+		else
+			return printTree(root->right->left,level-1);	
+	
+		
+		//when order is to print from right to left
+	}
+}
+
 
 void Insert( struct BinaryTreeNode **root,int data)
 {

Data Structures/Trees/Binary Trees/TraverseLevelWise(BFS).cpp

@@ -45,6 +45,51 @@ void printTree(struct BinaryTreeNode *root,int level, bool ltr)
 }
 
 
+//function the get the height of tree
+int height(BinaryTreeNode *root)
+{
+	if(root==NULL) return 0;
+	
+	else return (1 + max(height(root->left),height(root->right)));
+}
+
+BinaryTreeNode *printleafTree(struct BinaryTreeNode *root,int level)
+{
+	//base condition
+	if(root==NULL) return NULL;
+	
+	BinaryTreeNode *l,*r;
+	
+	int htl = height(root->left);
+	int htr = height(root->right);
+	if(level==0) 
+	{
+		return root;	
+	}
+		
+	else if(level  > 0 )
+	{
+		//if order is to traverse from left to right
+		
+		if(htl > htr)
+			l = printleafTree(root->left,level-1);
+			if(l->left==NULL && l->right==NULL)
+			{
+				return l;
+			}
+		else
+		{
+			r=printleafTree(root->right,level-1);
+			if(r->left==NULL && r->right==NULL) return r;
+		}
+				
+	
+		
+		//when order is to print from right to left
+	}
+}
+
+
 
 void Insert( struct BinaryTreeNode **root,int data)
 {
@@ -98,13 +143,7 @@ void Insert( struct BinaryTreeNode **root,int data)
 
 
 
-//function the get the height of tree
-int height(BinaryTreeNode *root)
-{
-	if(root==NULL) return 0;
-	
-	else return (1 + max(height(root->left),height(root->right)));
-}
+
 
 
 int main()
@@ -120,7 +159,7 @@ int main()
 
 	for(int i =  0 ; i < height(root1); i++)
 	{
-		printTree(root1,i,false);
+		cout<<printleafTree(root1,i)->data;
 	}
 
 }

StaticClass.cpp

@@ -7,16 +7,26 @@ using namespace std;
 class Human {
 	public:
 	static int scount;//cannot be defined inside a class
-	int count;
+	int count=0;
 	//constructor
 	Human() {
 		scount++;
 		count++;
-		cout<<"Number of humans"<<" "<<scount<<endl;
+		cout<<"Number of static humans"<<" "<<scount<<endl;
+		
+	}
+	
+	//destructor
+	~Human()
+	{
+		cout<<endl;
+		cout<<"There are now "<<scount<<" humans reamining"<<endl;
+		scount--;
 	}
 
 	static void totalHuman() {
 		cout<<"There are "<<scount<< " "<< "people"<<endl;
+//		cout<<"There are "<<count<< " "<< "people"<<endl;-Produces Error as static member function can only access, static class variable
 
 	}