35 lines
691 B
C
35 lines
691 B
C
/*
|
|
* C Program to find factorial of a given number using recursion
|
|
*/
|
|
#include <stdio.h>
|
|
|
|
int factorial(int);
|
|
|
|
int main()
|
|
{
|
|
int num;
|
|
int result;
|
|
printf("Enter a number to find it's Factorial: ");
|
|
scanf("%d", &num);
|
|
if (num < 0)
|
|
{
|
|
printf("Factorial of negative number not possible\n");
|
|
}
|
|
else
|
|
{
|
|
result = factorial(num);
|
|
printf("The Factorial of %d is %d.\n", num, result);
|
|
}
|
|
return 0;
|
|
}
|
|
int factorial(int num)
|
|
{
|
|
if (num == 0 || num == 1)
|
|
{
|
|
return 1;
|
|
}
|
|
else
|
|
{
|
|
return(num * factorial(num - 1));
|
|
}
|
|
} |