Problem B1
Emcnabb
I can't tell with this one if have to use the (n-1)! because it is a circle, please help!!
Emcnabb: March 19, 2015, 7:56 p.m.
nvm got it, thanks!
frokrab: March 19, 2015, 10:03 p.m.
did you get (7 choose 1)x4!?
Lilyhui: March 19, 2015, 11:47 p.m.
7*4! is correct!