MA/CSSE 473 Days 31-32. Optimal linked lists Optimal BSTs. MA/CSSE 473 Days 31-32. Student Questions? Optimal Linked Lists Expected Lookup time in a Binary Tree Optimal Binary Tree (intro Day 31, finish Day 32). Warmup : Optimal linked list order.
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Optimal linked lists
See Levitin: page 183 
one more than
When n=20, c(n) is almost 1010
Wikipedia Catalan article has five different proofs of
Note: y0, …, yn are the external nodes of the tree
How to construct the optimal tree?
Analysis of the algorithm?