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Which traversal method is used to get the elements of a BST in non-decreasing order?PreorderInorderPostorderLevel order

Question

Which traversal method is used to get the elements of a BST in non-decreasing order?

  • Preorder
  • Inorder
  • Postorder
  • Level order
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Solution

The traversal method used to get the elements of a Binary Search Tree (BST) in non-decreasing order is Inorder traversal.

Here are the steps for Inorder traversal:

  1. Traverse the left subtree, i.e., call Inorder(left-subtree)
  2. Visit the root.
  3. Traverse the right subtree, i.e., call Inorder(right-subtree)

In a BST, the left subtree has elements less than the root and the right subtree has elements greater than the root. So, traversing in the order of left subtree -> root -> right subtree gives us the elements in non-decreasing order.

This problem has been solved

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