C Program to find Sum of N Numbers using Recursion
The following C program using recursion displays the first N natural number on the terminal. The user enters the Nth number as the input, the program then displays all integral number starting from 1 up to the N.

C Program to Find Sum of Numbers given in Command Line Arguments
This C Program find sum of numbers given in command line arguments recursively.

C Program to Find the Biggest Number in an Array of Numbers using Recursion
This C Program prints the largest number in an unsorted array of elements using recursion. The array used here is of type integer.

C Program to Find the Common Ancestor and Print the Path
This C Program Finds the Common Ancestor and Print the Path.

C Program to Find the Factorial of a Number using Recursion
This C Program prints the factorial of a given number using recursion. A factorial is product of all the number from 1 to the user specified number.

C Program to find the First Capital Letter in a String using Recursion
The following C program, using recursion, finds the first capital letter that exists in a string. We have included ctype.h in order to make use of “int isupper(char);” function that’s defined inside the ctype.h headerfile. The isupper finction returns 1 if the passed character is an uppercase and returns 0 is the passed character is a lowercase.

C Program to Find the Largest value in a Tree using Inorder Traversal
This C Program Finds Largest value in a Tree using Inorder Traversal.

C Program to Find the Largest value in a Tree using Inorder Traversal
This C Program Finds Largest value in a Tree using Inorder Traversal.

C Program to Find the Nth Fibonacci Number using Recursion
This C Program prints the fibonacci of a given number using recursion. In fibonacci series, each number is the sum of the two preceding numbers. Eg: 0, 1, 1, 2, 3, 5, 8, … The following program returns the nth number entered by user residing in the fibonacci series.

C Program to Find the Number of Lines in a Text File
This C Program displays the number of lines in a text file.

C Program to Find the Size of File using File Handling Function
This C Program finds the size of file using file handling function.

C Program To Find the Smallest and Largest Elements in the Binary Search Tree
This C Program Finds the Smallest and Largest Elements in the Binary Search Tree.

C Program to Find whether a Number is Prime or Not using Recursion
The following C program, using recursion, finds whether the entered number is a prime number or not. A prime number is an integer that has no integral factor but itself and 1.

C Program to Illustrate Reading of Data from a File
This C Program illustrates reading of data from a file. The program opens a file which is present. Once the file opens successfully, it uses libc fgetc() library call to read the content.

C Program to Implement a Heap & provide Insertion & Deletion Operation
This C Program implements a heap & provide insertion & deletion operation.