CS-216: Data Structures and Algorithms - String Operations
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Questions and Answers

What is the primary data structure used to represent a string?

  • Linked list
  • Array of bytes (correct)
  • Queue
  • Stack
  • What is the purpose of pattern matching in string processing?

  • To delete a pattern from a string
  • To find the length of a string
  • To find a pattern within a string of character text (correct)
  • To concatenate two strings
  • What is the result of concatenating two strings S1 and S2?

  • A string with characters of S2 only
  • A string with characters of S2 followed by characters of S1
  • A string with characters of S1 followed by characters of S2 (correct)
  • A string with characters of S1 only
  • What is the length of a string?

    <p>The number of characters in a string</p> Signup and view all the answers

    What is the purpose of the algorithm for deleting a pattern?

    <p>To delete a string from text</p> Signup and view all the answers

    How many times will the loop in the algorithm be executed for deleting the pattern 'AB' from the string 'XABYABZ'?

    <p>Twice</p> Signup and view all the answers

    What is the result of deleting the pattern 'AB' from the text 'XAAABBBY'?

    <p>XY</p> Signup and view all the answers

    What is the result of replacing the pattern 'AB' with 'C' in the text 'XABYABZ'?

    <p>XCYCZ</p> Signup and view all the answers

    How many times will the loop in the algorithm execute to delete the pattern 'AB' from the text 'XAAABBBY'?

    <p>3</p> Signup and view all the answers

    What is the result of deleting the pattern 'AB' from the text 'XYABZ'?

    <p>XYZ</p> Signup and view all the answers

    What is the purpose of the algorithm for finding the index of a pattern?

    <p>To find the position of a pattern in a text.</p> Signup and view all the answers

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