Discussion @ 1023. Buttons @ Timus Online Judge

Who can give me a good hint about this problem, have no idea how to solve it :) (-)

Posted by Miguel Angel 8 Feb 2002 05:50

But I sent you some hints,didn't I?

Re: Who can give me a good hint about this problem, have no idea how to solve it :) (-)

Posted by Tomasz Klos 8 Feb 2002 16:14

I can
but my solution isn't the best (my program ran 3 seconds)

Re: Who can give me a good hint about this problem, have no idea how to solve it :) (-)

Posted by Tomasz Klos 9 Feb 2002 15:32

all you have to do is to find the least divisor of k
and the answer is (divisor-1)
or (k-1) if k is a prime number

Discussion of Problem 1023. Buttons