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In binary search tree, what happens to inorder successor when we delete a node that has both left and right child as non-empty?
  • a)
    Inorder successor is a leaf node
  • b)
    Inorder successor is a node with empty left child
  • c)
    Inorder successor is either a leaf node or a node with empty left child
  • d)
    None of the above
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
In binary search tree, what happens to inorder successor when we delet...
The correct answer is option 3 i.e. Inorder successor is either a leaf node or a node with empty left child.
Let X be the node to be deleted in a tree with root as ‘root’. There are three cases for deletion
1) X is a leaf node: We change left or right pointer of parent to NULL (depending upon whether X is left or right child of its parent) and we delete X
2) One child of X is empty: We copy values of non-empty child to X and delete the non-empty child
3) Both children of X are non-empty: In this case, we find inorder successor of X. Let the inorder successor be Y. We copy the contents of Y to X, and delete Y.
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In binary search tree, what happens to inorder successor when we delete a node that has both left and right child as non-empty?a)Inorder successor is a leaf nodeb)Inorder successor is a node with empty left childc)Inorder successor is either a leaf node or a node with empty left childd)None of the aboveCorrect answer is option 'D'. Can you explain this answer?
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In binary search tree, what happens to inorder successor when we delete a node that has both left and right child as non-empty?a)Inorder successor is a leaf nodeb)Inorder successor is a node with empty left childc)Inorder successor is either a leaf node or a node with empty left childd)None of the aboveCorrect answer is option 'D'. Can you explain this answer? for Computer Science Engineering (CSE) 2024 is part of Computer Science Engineering (CSE) preparation. The Question and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus. Information about In binary search tree, what happens to inorder successor when we delete a node that has both left and right child as non-empty?a)Inorder successor is a leaf nodeb)Inorder successor is a node with empty left childc)Inorder successor is either a leaf node or a node with empty left childd)None of the aboveCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Computer Science Engineering (CSE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In binary search tree, what happens to inorder successor when we delete a node that has both left and right child as non-empty?a)Inorder successor is a leaf nodeb)Inorder successor is a node with empty left childc)Inorder successor is either a leaf node or a node with empty left childd)None of the aboveCorrect answer is option 'D'. Can you explain this answer?.
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