On Dec 1, 2006, at 8:24 PM, Hung Dao wrote:

> First , please have a look at this :
> http://www.carljohansen.co.uk/fourfours/ or google for the terms "four
> fours"
> I do not know C sharp ,so that i cant read the solution in that  
> page , but
> my idea is that I will subtitude every operator + - * / until I get  
> the
> result in a recursive way , but it will take a long time and CPU usage
>
> Do you know any solution for this in the most rubish way

Some of the techniques used in solving this Ruby Quiz could be  
helpful with your problem:

http://www.rubyquiz.com/quiz7.html

James Edward Gray II