It is actually tougher because it allows the 4 numbers to take on the values 1 though 13 & not 0 through 9. Also, for those interested he provides his source code. The solution is mainly in "solution.java" & "solution.class". Interesting!
This kind of strategy will find fast answers most of the time at the sacrifice of complex code.
Several of you have mentioned that your children are using the game at school. This site contains both an internet & standalone version.
PS. After looking over the above java code, I realized I forgot 1 type Parenthesis - i.e none what so ever so there are 15,232 permutations.
[ 16. September 2002, 01:34: Message edited by: Jack Lothian ]
