clearly the prob. of getting true|false and false|true are equal to
0.6*0.4. Therefore the following code works,

bool uniform(){
   bool f1;
   bool f2;
   do{
       f1 = non_uniform();
       f2 = non_uniform();
   }while(!(f1 ^ f2));
   return f1;
}




On Mar 17, 10:24 am, saurabh agrawal <saurabh...@gmail.com> wrote:
> Given a  function which returns true 60% time and false 40% time.
>
> Using this function you have to write a function which returns true 50% of
> the time.

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