Understanding Arrays in Data Structures

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Questions and Answers

What does the function CREATE do?

  • Stores a value in an array
  • Retrieves a value from an array
  • Checks if two indices are equal
  • Produces a new, empty array (correct)

What is the purpose of the RETRIEVE function?

  • To retrieve a value from an array based on an index (correct)
  • To check if two indices are equal
  • To create a new array
  • To store a value in an array

According to the given axioms, what does the statement 'RETRIEVE(CREATE,I)' do?

  • Creates a new array with index I
  • Checks if two indices are equal
  • Returns an error
  • Retrieves a value from the array with index I (correct)

What does the STORE function do?

<p>Enters new index-value pairs in an array (A)</p> Signup and view all the answers

Based on the given axioms, what does the axiom 'EQUAL(i,j) then z else RETRIEVE(A,j)' imply?

<p>'z' is returned if i and j are equal, otherwise retrieve the j-th value from array A (C)</p> Signup and view all the answers

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