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Data Structures | Balanced Binary Search Trees | Question 7

Consider the following left-rotate and right-rotate functions commonly used in self-adjusting BSTs
T1, T2 and T3 are subtrees of the tree rooted with y (on left side) 
or x (on right side)           
                y                               x
               / \\     Right Rotation          /  \\
              x   T3   – - – - – - – >        T1   y 
             / \\       < - - - - - - -            / \\
            T1  T2     Left Rotation            T2  T3

Which of the following is tightest upper bound for left-rotate and right-rotate operations.










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