Discussion @ 1044. Lucky Tickets. Easy! @ Timus Online Judge

I wan to know the key to this problem,who can tell me?

Posted by GaoHughes 6 Sep 2010 20:14

I know the meaning of this problem,but I just can't find a good way to solve it!!
So who can tell me ?
Thank you!
I use C++

Edited by author 06.09.2010 20:15

Re: I wan to know the key to this problem,who can tell me?

Posted by Vedernikoff Sergey (HSE: АОП) 7 Sep 2010 00:54

Brute force: you just look through all possible numbers and choose lucky ones

Re: I wan to know the key to this problem,who can tell me?

Posted by nbodea 10 Apr 2012 20:37

You can backtrack for 2, 4, 6, 8 and see what your program's answers are. Then you can simply put the answers.

Discussion of Problem 1044. Lucky Tickets. Easy!