Course Notes, Practice Problems, and Solutions
Week 5:   AVL Trees, 2-3 trees, B-trees
     
AVL Trees, B-Trees, 2-3 Trees
     
AVL left-right rotation example
     
AVL insert and leftleft rotation code
Supplementary material
      Video (Tushar Roy):  
AVL Tree insertion
  Okay to stop when he gets to the code..
      Video (GeeksforGeeks):  
AVL Tree insertion
      Video (distancejohn):  
2-3 Tree insertion
      Video (David Taylor):  
2-3 Tree insertion
  Beginning is BST; start at 5:47.
Practice Problems
     
AVL tree problems    
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prob 1 solution  
prob 2 solution
     
2-3 tree problems    
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solution
     
Problems from lecture    
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solution