
286 Data Structures Using C
Consider the binary tree given in Figure 7.10 which violates the condition of the complete binary
tree as the node number 11 is missing. Therefore, it is not a complete binary tree because there is a miss-
ing intermediate node before the last node, i.e., node number 12.
Fig. 7.8 A full binary tree
Fig. 7.9 Complete binary tree
Fig. 7.10 An incomplete binary tree
7.3.1 Properties of Binary Trees
The binary tree is a special tree with degree 2. Therefore, it has some specific properties which must be
considered by the students before implementing binary ...