Today:
-  Announcements
	
	 
	-  Homework for section 5.3 returned: 
		
		-  8: Just do each case, and average over them. 
		
-  10: minimum worst case: 4 (= floor(log(m))+1)
		
-  12: if you use the author's algorithm, you won't write the
			nodes in alphabetic order; if you use the
			"left/root/right" notion, you will. Whoops!;) I took
			either answer, of course....
		
 
-  Homeworks for sections 6.2 and 6.3 will be turned in with the exam. 
	
-  FYI: next exam is Wednesday, 11/17. The exam will go through 6.2 and 6.3. 
	
 
 
-  Last time we were working on section 6.3, on graph algorithms:
	
	Let's wrap that up....
 
-  Today we look at Section 6.4:
	
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