Bowling again.

This is a discussion on Bowling again. within the C Programming forums, part of the General Programming Boards category; I've noticed a previous thread about the same assignment I'm doing, but I'm asking a different question. Here is the ...

  1. #1
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    Bowling again.

    I've noticed a previous thread about the same assignment I'm doing, but I'm asking a different question.

    Here is the bowling.dat file:
    Homer Simpson
    0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 -1
    Marge Simpson
    3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 -1
    Lisa Simpson
    4 6 3 7 2 8 1 9 3 7 3 7 2 8 1 9 0 10 9 0 -1
    Bart Simpson
    4 6 3 7 2 8 1 9 3 7 3 7 2 8 1 9 0 10 9 1 9 -1
    Krusty the Clown
    0 0 0 0 10 1 1 0 0 0 0 0 0 0 0 0 0 0 0 -1
    Apu Nahasapeemapetilon
    8 1 7 1 5 2 6 2 9 1 5 4 4 5 2 3 6 3 4 2 -1
    Ned Flanders
    10 5 5 6 0 10 0 2 0 1 4 5 4 6 7 3 10 10 10 -1
    Barney Gumble
    10 10 10 10 10 10 10 10 10 10 10 10 -1
    Grampa Simpson
    0 0 0 0 0 0 0 0 1 1 0 1 0 1 0 1 0 1 0 1 -1
    End of data


    I'm not asking for the entire code, just come guidance. With the program I'm using (quincy), I've opened up the file, and now I have no idea how to read ONLY the name and how to stick it into a string. I've been told to create a function to read the names, but I'm completely clueless? Any advice?

  2. #2
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    you will have to actually read all the lines sequentially from beginning of the file to end of the file. Since the name appears consistently on every other line, that is all you have to keep in the program -- you can just toss the others into the bit bucket.

    use fopen() to open the file in text mode, and fgets() to read each line. I suspect the function should copy the names into some sort of character array so that the calling function can use them for something. Generally you would want to use a linked list, but that's probably beyone the scope of your assignment. Just have the calling function create a 2d array and pass it to the function that reads the array.

    Code:
    void read_names(char names[10][])
    {
      // blabla
    }
    
    int main()
    {
       char names[10][40];
    
       read_names(names);
    }

  3. #3
    cwr
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    Quote Originally Posted by Ancient Dragon
    Code:
    void read_names(char names[10][])
    void read_names(char names[][40])
    {
      // blabla
    }
    
    int main()
    {
       char names[10][40];
    
       read_names(names);
    }
    When declaring a function taking a two dimensional array, the rightmost value must be specified, so that the function knows the offsets of the elements.

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    Oops!

  5. #5
    and the hat of wrongness Salem's Avatar
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    Sure, just copy your buddy's excellent code.
    Help required! Bowling Assignment.

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