Question: An inefficient recursive function isbst was presented in the module in the handout document (pages 46-47) and the slides (dsa-slides-04-03-binary-search-trees.pdf). Write an efficient, recursive isbst

An inefficient recursive function isbst was presented in the module in the handout document (pages 46-47) and the slides (dsa-slides-04-03-binary-search-trees.pdf). Write an efficient, recursive isbst function in pseudocode to check that a binary tree is a valid Binary Search Tree based on checking that subtrees are within closed intervals starting with (MIN.INT, MAX.INT) and calculate the complexity, in terms of O(g(n)). with respect to the size of the tree. Justify your calculation of the complexity with a short explanation. [20 marks)

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