FACTORIAL OF A NUMBER in c programming language

FACTORIAL OF A NUMBER

void main()

{

int i=1,f=1,num;

clrscr();

printf("\nEnter a number:");

scanf("%d",&num);

while(i<=num)

{

f=f*i;

i++;

}

printf("\nFactorial of %d is:%d",num,f);

getch();

}