CodeGuru Home VC++ / MFC / C++ .NET / C# Visual Basic VB Forums Developer.com
Results 1 to 2 of 2
  1. #1
    Join Date
    Oct 2013

    Question about C++ programming. Giving values to all the members?

    I have a c++ assignment. Which is:
    Write a C++ program to implement the following description:
    1. Define a global structure and name it GStruct with the following members:
    a. X as integer
    b. Y as integer.
    2. Define a local structure inside the main and name it LStruct with the following members:
    a. X as integer
    b. Y[3] as GStruct
    3. Inside the main declare two variables V1 and V2 of type LStruct.
    4. Give values to all of their members by using input statement (cin).
    5. If V1 equal V2 print "They are equal" else print "Not Equal".

    I did everything that's asked from me and i got no errors. But it's not working like it's asked from me. Been working on this questions for more than 5 hours. It's driving me crazy. I went over it like 100 times and no use. Please help....
    This is what i came up with and am sure it's all right but there is something missing but i don't know what it is.

    #include <iostream>
    using namespace std;
    struct GStruct
    int x;
    int y;

    int main()
    struct LStruct
    int x;
    GStruct y[3];
    LStruct V1, V2;

    for (int i=0; i<3;i++)

    for (int i=0; i<3;i++)

    if (V1.x == V2.x && V1.y == V2.y)
    cout<<"They are equal"<<endl;
    cout<<"Not equal"<<endl;

    return 0;
    help me
    Catalog Designing Companies in Banglore

  2. #2
    2kaud's Avatar
    2kaud is offline Super Moderator Power Poster
    Join Date
    Dec 2012

    Re: Question about C++ programming. Giving values to all the members?

    Before posting please format your code properly and use code tags. Go advanced, select code and click '#'

    there is something missing but i don't know what it is
    the y member of LStruct is an array of GStruct. Therefore V1.y and V2.y are pointers to the array, and not the contents of the array itself. They contain the memory address of the start of the array and as V1 and V2 are different variables, the memory address of V1.y and V2.y are therefore different hence the equality condition for V1.y and V2.y is always false.

    You need to compare each element of the y array.
    All advice is offered in good faith only. All my code is tested (unless stated explicitly otherwise) with the latest version of Microsoft Visual Studio (using the supported features of the latest standard) and is offered as examples only - not as production quality. I cannot offer advice regarding any other c/c++ compiler/IDE or incompatibilities with VS. You are ultimately responsible for the effects of your programs and the integrity of the machines they run on. Anything I post, code snippets, advice, etc is licensed as Public Domain https://creativecommons.org/publicdomain/zero/1.0/ and can be used without reference or acknowledgement. Also note that I only provide advice and guidance via the forums - and not via private messages!

    C++17 Compiler: Microsoft VS2017 (15.7.4)

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts

Windows Mobile Development Center

Click Here to Expand Forum to Full Width

On-Demand Webinars (sponsored)

We have made updates to our Privacy Policy to reflect the implementation of the General Data Protection Regulation.