C program to find largest digit in a number?

Answer 1

#include
#include
void main()
{
int a,b;
clrscr();
printf("Enter 2 numbers:");
scanf("%d %d",&a,&b);
if(a>b)
printf("%d is greater than %d",a,b);
else
printf("%d is greater than %d",b,a);
getch();
}

Answer 2

int largest_digit (int n)

{

int last, tmp;

if (n<10) return n;

last= n/10;

tmp= largest_digit (n/10);

if (last>tmp) tmp= last;

return tmp;

}