On Fri, 8 Mar 2002 15:16:10 +0100, Marcelo E. Magallon wrote: > I don't know others, but I started by looking at the input and output, > like this: > > 0 0 > 1 1 > ... ... > 9 9 > 10 1 > 11 2 > 12 3 > ... ... > 18 9 > 19 1 > 20 2
How can one add two digits, and come up with a number larger than 18?
--
Bart.
