Thread: Creating a Spreadsheet using a multidimensional array

  1. #1
    Registered User
    Join Date
    Mar 2009

    Creating a Spreadsheet using a multidimensional array

    I am having trouble with a program, I really don't know how to start. I have to create a simple spreadsheet program that can set values to cells like A1 = 24, and can do operations and put the value of the operations into a cell like C3= A1+2.
    The program pretty much calls for the person to make a spread sheet like in excel.
    The main problems I have with it is I dunno how write the proper input so I can access certain cells of the array and put information into them, I don't want the program code written so much as I want a basic example on how to take a two dimensional array and be able to access the the elements of the array in program and change the values within those elements so I can type in on the cosole "A1= 3" and have the array element that has A1 in it be changed to 3
    Last edited by Apiatan; 03-21-2009 at 04:02 PM.

  2. #2
    and the Hat of Guessing tabstop's Avatar
    Join Date
    Nov 2007
    So that's several subproblems to work on (and working on subproblems is good, since you can solve one subproblem without worrying about the others at all):
    1) Getting input
    2) Deciding, given a string, what to do about it (is it an assignment, or a formula, or what)
    3) Given a cell reference, how to determine what cell it refers to
    4) How to store a formula in your array

    Using a two-dimensional array is dead simple: you give the row index and the column index and you're done.
    int two_d_array[100][100];
    two_d_array[5][8] = 4; //set the element in the sixth row and ninth column to 4

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