C Program to Count Number of Nodes in a Binary Tree

By | April 29, 2017

Count Number of Nodes in a Binary Tree


Write a C Program to Count Number of Nodes in a Binary Tree. C Program to Find Number of Nodes in a Binary Search Tree. C program to find Size of a tree. Here’s simple Program to Count Number of Nodes in a Binary Tree in C Programming Language.


What is Tree ?


In linear data structure, data is organized in sequential order and in non-linear data structure, data is organized in random order. Tree is a very popular data structure used in wide range of applications.

A tree data structure can be defined as follows…

  • Tree is a non-linear data structure which organizes data in hierarchical structure and this is a recursive definition.

A tree data structure can also be defined as follows…

  • Tree data structure is a collection of data (Node) which is organized in hierarchical structure and this is a recursive definition.

Every individual element is called as Node. Node in a tree data structure, stores the actual data of that particular element and link to next element in hierarchical structure.


Below is the source code for C Program to Count Number of Nodes in a Binary Tree which is successfully compiled and run on Windows System to produce desired output as shown below :


SOURCE CODE : :



OUTPUT : :



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