AVL Deletion
Learn the deletion operation in AVL trees including all four deletion cases.
Deletion in AVL Trees
Deletion is almost similar to the insertion operation in AVLs with just one exception. The deletion operation adds an extra step after rotation and balances the first unbalanced node in the insertion method. After fixing the first unbalanced node through rotations, start moving up and fix the next unbalanced node. Keep fixing the unbalanced nodes until you reach the root. ...