Factorial Using Function
#include<stdio.h>
#include<conio.h>
int aj(int);
void main()
{
int x,f;
clrscr();
printf("\nenter the value:");
scanf("%d",&x);
f=aj(x);
printf("\nfactorial=%d",f);
getch();
}
int aj(int n)
{
int fac=1,i;
for(i=1;i<=n;i++)
{
fac*=i;
}
return fac;
}