Data Structures and Algorithms Assignment 1
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Questions and Answers

What is the main purpose of Radix sort in data structures?

  • To convert a binary tree into a binary search tree.
  • To sort numbers based on their individual digits. (correct)
  • To efficiently merge two sorted lists.
  • To quickly find the maximum element in an array.

    • What is the primary output when splitting a circular linked list into two halves?

  • One circular linked list with all elements reversed.
  • Two linear linked lists that contain the same elements.
  • Two separate circular linked lists of equal length. (correct)
  • A single linear list with elements sorted.

    • In the context of wildcard patterns, what does the '?' character represent?

  • A placeholder for any single binary digit. (correct)
  • A fixed binary digit that cannot be changed.
  • An indication of an error in the pattern.
  • A marker for the start of the binary string.

    • What data structure is typically used in Dijkstra's algorithm to efficiently select the next vertex with the smallest tentative distance?

    <p>Priority queue</p> Signup and view all the answers

    Which of the following best describes the output of the binary string combinations from the wildcard pattern '1?11?00?1?'?

    <p>Multiple unique binary strings can be formed by varying the '?' characters.</p> Signup and view all the answers

    Study Notes

    Assignment 1 Topics

    • The assignment is worth 10 marks and contains 4 parts.
    • The assignment requires students to write C programs for four different data structures and algorithms concepts.
    • The questions are:
      • Implement Radix sort.
      • Split a Circular Linked List into two halves.
      • Find all binary strings that can be formed from a wildcard pattern.
      • Implement Dijkstra's shortest path algorithm using a priority queue.

    Radix Sort

    • Radix sort is a sorting algorithm that sorts data by digit or character position.
    • The assignment requires students to write a C program that implements radix sort.

    Circular Linked List

    • A circular linked list is a data structure where the last node points back to the first node, creating a loop.
    • The assignment requires students to write a C program that splits a circular linked list into two halves.

    Wildcard Pattern Binary Strings

    • The assignment requires students to find all possible combinations of binary strings that can be formed by replacing the wildcard character ('?') with either '0' or '1' in a given binary pattern.
    • For example, for the wildcard pattern "1?11?00?1?", the possible combinations are:
      • "1011000010"
      • "1011000011"
      • "1011000110"

    Dijkstra's Algorithm

    • Dijkstra's algorithm is a graph traversal algorithm that finds the shortest path between two nodes in a graph.
    • The assignment requires students to write a C program that implements Dijkstra's shortest path algorithm using a priority queue.

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    Sem_3_DS_Assignment.docx

    Description

    This assignment involves implementing various data structures and algorithms using C programming. Students will work on Radix sort, splitting a circular linked list, generating binary strings from wildcard patterns, and implementing Dijkstra's shortest path algorithm. Each task is designed to enhance your understanding of key programming concepts.

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