It wasn't a great day, but at least there are explanations for problems B to E.
http://vexorian.blogspot.com/2011/11/codeforces-beta-round-95.html
It wasn't a great day, but at least there are explanations for problems B to E.
http://vexorian.blogspot.com/2011/11/codeforces-beta-round-95.html