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Data Structures for Summer Internship Screening Test

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Data Structures for Summer Internship Screening Test

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Questions and Answers

Which data structure is commonly used for converting infix expressions to postfix expressions?

Queue

Stack (correct)

Single linked list

Double linked list

What is a common application of a double linked list?

Insertion at the beginning, end, or specific location (correct)

Linear search operation

Memory representation of a binary tree

Converting infix to postfix expression

Which tree traversal method visits the left subtree, then the root, and finally the right subtree?

Pre-order traversal

In-order traversal (correct)

Post-order traversal

None of the above

Which algorithm paradigm does Merge Sort belong to?

Divide-and-conquer Signup and view all the answers

What is a typical application of Dynamic Programming?

Matrix-chain Multiplication Signup and view all the answers

Huffman codes are associated with which type of algorithm?

Greedy Algorithms Signup and view all the answers

Study Notes

Data Structures and Algorithms

A Stack is commonly used for converting infix expressions to postfix expressions.
A Double Linked List is commonly used for applications that require frequent insertion and deletion of nodes, such as implementing browsers' forward and backward navigation buttons.
The In-Order Traversal method visits the left subtree, then the root, and finally the right subtree in a tree data structure.
Merge Sort belongs to the Divide and Conquer algorithm paradigm.
Dynamic Programming is typically applied to optimization problems that have overlapping subproblems and optimal substructure, such as finding the shortest path in a graph.
Huffman codes are associated with Lossless Compression algorithms, used for compressing data without losing any information.

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Description

Prepare for the upcoming summer internship screening test by reviewing essential topics in Data Structures, such as Stack, Queue, Single linked list, and Double linked list. Learn about various operations like insertion, deletion, searching, and conversions.