NPTEL | Week 0: Assignment 3 Question 3 Introduction to Programming in C (14 Sep- 06 Nov) 2020.

        Introduction to Programming in C       

Assignment 3_Question 3:

Write a C program to list all the factorial numbers less than or equal

to an input number n.

A number N is called a factorial number if it is the factorial of a

positive integer. For example, the first few factorial numbers are

   1, 2, 6, 24, 120, ...

*Note* - We do not list the factorial of 0.

Input

-----

A positive integer, say n.

Output

------

All factorial numbers less than or equal to n.

PROGRAM:

#include<stdio.h>

int factorial(int f)
{
  if(f==1)
    return 1;
  else
    return f*factorial(f-1);
  
}

int main()
{

 int n,l=1,g=2;
  
  scanf("%d",&n);
   
  while(n>=l)
  {
    printf("%d ",l);
    l=factorial(g);
    g++;
  };
  
  return 0;
  
}
  

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