Which of the following is an application of Red-black trees ...

MCQ

Which of the following is an application of Red-black trees and why?

used to store strings efficiently

used to store integers efficiently

can be used in process schedulers, maps, sets

for efficient sorting

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Which one of the following statements is false?

Breadth-first search cannot be used to find connected components of a graph.

Given the prefix and postfix walks of a binary tree, the binary tree cannot be uniquely reconstructed.

Both (a) and (b)

Optimal binary search tree construction can be performed efficiently using dynamic programmmg.

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What is the time complexity to delete an element from the direct address table?

O(n)

O(logn)

O(nlogn)

O(1)

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A treap is a cartesian tree with

additional value, which is a priority value to the key generated randomly

additional value, which is a priority value to the key generated sequentially

additional heap rule

additional operations like remove a range of elements

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Select the code snippet which performs in-order traversal.

a)

public void inorder(Tree root)
{
 System.out.println(root.data);
 inorder(root.left);
 inorder(root.right);
}

b)

public void inorder(Tree root)
{
 inorder(root.left);
 System.out.println(root.data);
 inorder(root.right);
}

c)

public void inorder(Tree root)
{
 System.out.println(root.data);
 inorder(root.right);
 inorder(root.left);
}

d) None of the mentioned

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Internal nodes have___________.

Child nodes

Parent nodes

Both (a) and (b)

None of the above

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Hash based structures

Graphs

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