My program with 1011
I submit it,but the judge system said that "division by
zero"->so crash. faint. I have try all the possible
testdata in my computer,and my program got right answer.
No "crash" or "division by zero" happen.
  why? Does anybody know? My system is Turbo Pascal 7.0
  Thanks.

p = 0.01 q = 0.02 , your answer ?

>       My program with 1011
> I submit it,but the judge system said that "division by
> zero"->so crash. faint. I have try all the possible
> testdata in my computer,and my program got right answer.
> No "crash" or "division by zero" happen.
>   why? Does anybody know? My system is Turbo Pascal 7.0
>   Thanks.
>
>

5001