Loop Statements (for/while/do while) in C programming (examples)

Loops in C programming (for loop/ while loop / do while loop)

C program calculate factorial of a number given by user.

#include<stdio.h>
main()	{
	int n,i;
	double fact=1;
	printf("Enter a number: ");
	scanf("%d",&n);
	for(i=1; i<=n; i++)	{
		fact=i*fact;
	}
	printf("Factorial = %f",fact);
	return 0;
}