ENG  RUSTimus Online Judge
Online Judge
Problems
Authors
Online contests
About Online Judge
Frequently asked questions
Site news
Webboard
Links
Problem set
Submit solution
Judge status
Guide
Register
Update your info
Authors ranklist
Current contest
Scheduled contests
Past contests
Rules
back to board

Discussion of Problem 1615. Tram Solitaire

n=3 answer=?
Posted by SHY 9 Apr 2008 22:45
What's the answer for n=3? Is it 8/15 or not?
--Checking...--Checked--
It really seems to be 8/15...

Edited by author 09.04.2008 23:26
5 examples
Posted by ilovesky 22 Jun 2008 16:38
2: 2/3
3: 8/15
4: 13/28
5: 19/45
6: 13/33

I've got this examples after 15-minute execution of program. :-)
I can not understand how to solve this problem, but I want to solve it myself.