Practice Inserting Duplicate Values (16.2) - Insertion in a Search Tree

Practice: Inserting Duplicate Values

Lesson 16.2Insertion in a Search Tree

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8 questions

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2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What happens if you try to insert a duplicate value in a binary search tree?
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Think about maintaining unique values in the structure.
Question 2.
What direction do you take when inserting a value smaller than the current node?
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Smaller values go to the left!
3Question 3.
What will happen if you try to insert a value that already exists in a binary search tree?
- The tree will allow duplicate values
- The tree will remain unchanged
- The value will replace the existing value
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Remember the uniqueness requirement!
4Question 4.
True or False: A binary search tree must always contain at least one node.
- True
- False
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Consider what the minimum structure of a tree is.
Question 5.
Construct a binary search tree by inserting the values [15, 10, 20, 8, 12, 17, 25]. Draw the tree structure and explain each step.
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Keep track of where each value goes!
Question 6.
You have a binary search tree and want to insert 25 after inserting 15, 10, and 20. Describe the traversal steps taken and the reasoning.
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Think about how each comparison determines the next path in the tree.

4 more questions in this section. Enroll free to practise them all.