Binary Tree

First column represents index of node, second column consist of the item stored in the node and third and fourth columns indicate the positions of left and right children

(1 indicates that there is no child to that particular node.)

Tree is one of the most widely used data structure employed for representing various problems. We studied tree as a special case of an acyclic graph. However, rooted trees are most prominent of all trees. We discussed definition and properties of general trees with their applications. Various tree traversal methods are also discussed.

Binary tree are the special case of trees which have at most two children. Binary trees are mostly implemented using link lists. Various tree traversal mechanisms include inorder, preorder and post order. These tree traversals can be implemented using recursive procedures and non-recursive procedures. Binary trees have wider applications in two way decision making problems which use yes/no, true/false etc.

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