Occurence counter

This is a discussion on Occurence counter within the C++ Programming forums, part of the General Programming Boards category; Hi, I am a new user of C++ and I am learning this language. I want to resolve this example: ...

  1. #1
    Registered User
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    Red face Occurence counter

    Hi,
    I am a new user of C++ and I am learning this language.
    I want to resolve this example:
    1) I have an indefinite sequence of integer (from 0 to 36) as Input;
    2) I want to know the maximum number of occurrences and its value.
    Sample
    Input: 0, 2, 5, 2, 23, 11, 11, 23, 15, 17, 25, 11, 23, 18, 23 (Ctrl+z)
    Output: Value is 23 Occurences is 4

    For the input I have written this code:
    Code:
     iNumber = 0; // Counter
          while (1)
             { //read next
                 cout << "Enter number (Ctrl-z = Input End): ";
                cin >> myNumber;
                if (cin.eof())
                   break;
                //update the counter
                iNumber++;
             }
    But I am in difficulty, when I try to resolve the second step. The
    solution don't have to use the array/map/struct.

    I hope in Your help in order to resolve my problem.

    Thank You and Best Regards
    Nino

  2. #2
    Cat without Hat CornedBee's Avatar
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    Err ... I really don't think this is possible to solve without either a simple array or lots of variables and a very ugly switch to simulate it. Oh, and the latter solution would have a quite horrible tree of ifelses to find the maximum.
    All the buzzt!
    CornedBee

    "There is not now, nor has there ever been, nor will there ever be, any programming language in which it is the least bit difficult to write bad code."
    - Flon's Law

  3. #3
    CSharpener vart's Avatar
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    Maybe the exact citate from the assignment would help? I suppose that only class implementations of vector, map etc are forbidden, but use of regular C-style arrays is possible...
    The first 90% of a project takes 90% of the time,
    the last 10% takes the other 90% of the time.

  4. #4
    Registered User hk_mp5kpdw's Avatar
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    I tested a solution that used the sort and equal_range and distance STL functions along with a regular integer array. Can you use those functions?
    "Owners of dogs will have noticed that, if you provide them with food and water and shelter and affection, they will think you are god. Whereas owners of cats are compelled to realize that, if you provide them with food and water and shelter and affection, they draw the conclusion that they are gods."
    -Christopher Hitchens

  5. #5
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    Yes, I can use this.

    Thank You.
    Nino

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