Algorithm And Flowchart For Factorial Of A Number Using Recursion

Write a c program to find the factorial of a given number using recursion. We will use a recursive user defined function to perform the task. This is demonstrated by the following code snippet.

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Share in this tutorial we will learn to find the factorial of a number using recursion.

Algorithm and flowchart for factorial of a number using recursion. This program prompts user for entering any integer number finds the factorial of input number and displays the output on screen. Else f n factorial n 1 step 3. Call factorial n step 4. The factorial of a number is the product of all the integers from 1 to that number.

C program to calculate factorial of a number using recursion example to find factorial of a non negative integer entered by the user using recursion. Read number n step 3. Factorial of 4 is 24 in the above program the function fact is a recursive function. In simple terms when a function calls itself it is called a recursion.

A design an algorithm draw a corresponding flow chart and write a program in c to find the factorial of a given number using recursion. If the number is 0 or 1 then fact returns 1. Stop factorial n step 1. Factorial is not defined for negative numbers and the factorial of zero is one 0.

The main function calls fact using the number whose factorial is required. If n 1 then return 1 step 2. To understand this example you should have the knowledge of the following c programming topics. Print factorial f step 5.

And is equal to. Here we have a function find factorial that calls itself in a recursive manner to find out the factorial of input number. Cout factorial of n is fact n. For example the factorial of 6 is 1 2 3 4 5 6 720.

Factorial of any number n is denoted as n.