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Answer the following questions about Fibonacci binary tree defined in the previous problem. a) Is such a tree strictly binary

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Answer #1

a) Is such a tree strictly binary?

Such trees are strictly binary tree if every node in the tree has eithe 0 or two child nodes or we can also say that the difference between left and right subtrees of any node in the tree should be atmost 1.

Since fibonacci trees has the least storage capacity of nodes among all other balanced trees is the reason they represent the worst case of balanced trees.

b) What is the number of leaves in the Fibonacci tree of order n?

The number of leaves in the Fibonacci tree of order n is F(n) where F(n) represents nth Fibonacci numbers.
Fibonacci numbers list :- 1,1,2,3,5,8 etc.

So, F(1)=1, F(2)=1, F(3)=2, F(4)=3 and so on.

So a fibonacci tree with order 1 will have 1 leaf, order 2 will also have 1 leaf, order 3 will have 2 leaves, order 4 will have 3 leaves etc.

Also the total number of nodes in Fibonacci tree of order n will be F(n+2)-1.

c) What is the depth of the Fibonacci tree of order n?

The depth of the fibonacci tree is equal to its order n.This is how there are n-1 left subtree nodes and n-2 right subtree nodes in a fibonacci tree.
You just have to know the order. That is itself the depth of any fibonacci tree.

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