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CSC165H1 Lecture Notes - Venn Diagram

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School
UTSG
Department
Computer Science
Course
CSC165H1
Professor
Nathalie Fournier

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CSC165H1 Full Course Notes
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Document Summary

You are given seven di erent programs a, c, e, g, i, k, m , each meant to carry out the same task, where programs. C, g, k, m are written in python and programs a, e, i are written in java: suppose that programs c, a, e, i, m are correct and programs g, k are incorrect. For each statement below, say whether the statement is true or false, and give the smallest number of programs that must be tested to verify your claim. Justify each answer. (a) all python programs are correct. (b) some correct program is written in java. (c) every java program is correct. (d) only programs written in python are incorrect. Fall 2011: let p represent the set of all programs (our universe or domain ), j represent the set of all java programs, and t represent the set of all correct programs. Dept. of computer science, university of toronto, st. george campus.

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Related Questions

the two major types of system software programs are utility programs and the ____________.

  1. Complete the following problem using concepts of STACK.
  2. If you are using JAVA, you must include the main method as well which should test your other methods and print the outputs according to the tasks.
  3. If you are using PYTHON, make sure your code has the methods invoked and proper printing statements according to the tasks.
  4. Your program will take an arithmetic expression as a string input. For Example:

     

    • “1+2*(3/4)”

     

    • “1+2*[3*3+{4–5(6(7/8/9)+10)–11+(12*8)]+14”

     

    • “1+2*[3*3+{4–5(6(7/8/9)+10)}–11+(12*8)/{13+13}]+14”

     

    Program

     

    Your program will determine whether the open brackets (the square brackets, curly braces, and the parentheses) are closed in the correct order.

     

    Outputs:

     

    Output 1

     

    1+2*(3/4)

    This expression is correct.

     

    Output 2

     

    1+2*[3*3+{4–5(6(7/8/9)+10)–11+(12*8)]+14

    This expression is NOT correct.

    Error at character # 10. ‘{‘- not closed.

     

    Output 3

     

    1+2*[3*3+{4–5(6(7/8/9)+10)}–11+(12*8)/{13+13}]+14

    This expression is correct.


    Output 4

     

    1+2]*[3*3+{4–5(6(7/8/9)+10)–11+(12*8)]+14

    This expression is NOT correct.

    Error at character # 4. ‘]‘- not opened.

    Task 1

    Solve the above problem using an array-based stack.

     

    Task 2

    Solve the above problem using a linked list-based stack.

Part (a) [3 MARKS] Consider this program: Fill in the Python Shell output after this program has executed. >>> X L = [4, 10, 8] X = L. sort L.append(20) L2 = L[1:] >>> L >>> id(L) == id(L2)