OJ Board

Did you allready correct the following mistake:

[java]System.out.print("Optical train swapping takes " + n + " swaps."); [/java]

It's not the "Optical train swapping " that you are looking for - but the
"Optimal"...

Robert

Hej,

I got a WA problem with my program. Can someone, whose program was accepted, run this program with the following input and post the output?

Thanks

P.S. My Output for the Input is at the end...

my INPUT Start
6
WWWWB---
WWWB----
WWB-----
WB------
--------
--------
--------
--------
B
L
M43 ...