IDA*
	IDASTAR (node : N, bound : B) IF N is a goal, EXIT algorithm IF N has no children, RETURN infinity FN = infinity FOR each child Ni of N, F[i] := f(Ni) IF f(Ni) <= B, FN := MIN(FN, IDASTAR(Ni,B)) ELSE FN := MIN(FN, f(Ni)) RETURN FN