notes array tree an array representation of complete binary tree having nodes and depth shown in figure is another example of an array representation of complete binary tree with depth with the number of nodes array tree an array representation of complete binary tree with nodes and depth in generalany binary tree can be represented using an array we see that an array representation of complete binary tree does not lead to the waste of any storage but if you want to represent binary tree that is not complete binary tree using an array representationthen it leads to the waste of storage as shown in figure figure an array representation of binary tree array tree an array representation of binary tree is not suitable for frequent insertions and deletionseven though no storage is wasted if the binary tree is complete binary tree it makes insertion lovely professional university