C program to check if a binary tree is BST or not – Binary Search Tree – A binary search tree (BST) is a node based binary tree data structure.
binary tree in data structure
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A Problem in Many Binary Search Implementations – Searching and Sorting – The above looks fine except one subtle thing, the expression “m = (l+r)/2”. It fails for large values of l and r. Specifically, it fails if the sum of low and high is greater than the maximum positive int value (231– 1).