© 2000 Todd Neller.  A.I.M.A. text figures © 1995 Prentice Hall.  Used by permission.
SRBFS
•Simple RBFS (SRBFS)
–Local cost threshold for each recursive call
–Has inefficiencies to be addressed in RBFS, but good intro for teaching purposes
–Work the following algorithms with binary tree where f(n) = depth(n)