void main()
{
int num,i,x=1;
for(i=1,printf("\n Enter a number "),scanf("%d",&num);i<=num;x=x*num,num--);
printf("%d",x);
}
// suppose u entered num as 5
void main()
{
int a=10,b=20;
clrscr();
a^=b^=a^=b;
printf(" a= %d ", b= %d",a,b);
}
void main()
{
clrscr();
if(!(printf("Hello"))
printf("Bye");
else
printf("World");
}
void main()
{
static int i=1;
if(i>100)
{
getch();
exit();
}
printf( "%d ",i);
i++;
main();
}
void main()
{
char a,b;
printf(" %d %d %d %d",sizeof(a),sizeof('b'),sizeof(NULL),sizeof(" ");
getch();
}
void main()
{
int a,b,c;
a=10;
b=20;
c=30;
a^=b^=c^=b;
printf(" a= %d b = %d c= %d",a,b,c);
getch();
}
# define int char
void main()
{
int i=65;
printf('%d',sizeof(a));
getch();
}