Program: Factorial of a Number

#include <stdio.h>

long int factorial(int n);

void main()

{

int n;

printf("Enter the number:\n");
scanf("%d", &n);
printf("Factorial of %d is %d", n, factorial(n));
getch();

}

long int factorial(int n)

{

if (n ==0)
{

return (1);

}

else

{

n = n * factorial(n - 1);
return (n);

}
}

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