Question 49

CS2MSQ2 marksNeeds review
Consider a binary search tree (BST) with

leaf nodes (

). Given any node

, the key present in the node is denoted as

. All the keys present in the given BST are distinct. The keys belong to the set of real numbers.
For a node

, let

denote the node that is its inorder successor. If a node

does not have an inorder successor, then

is

. As there are no duplicates, if

is not

, then

.
Corresponding to every leaf node

that has a non-NULL

, a new key

with the following property is to be inserted into the BST.

Let

represent the list of all such new keys to be inserted into the BST.
Which of the following statements is/are true?
Your answerSelect all correct options. You can choose more than one.

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2026CS2

GATE CSE 2026 · Paper 2

Computer Science and Information Technology · Original paper archive

Section
Section CS2
Question type
Multiple select (MSQ)
Marks
2 marks

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