Thread: About C programming help on file handling

  1. #1
    Registered User
    Join Date
    Nov 2006

    About C programming help on file handling

    Hi, I am relatively new to programming enviroment.

    I want to ask something regarding file handling. My problem is as follows:

    My program is to read from a file named "input.txt." The input consists of T test cases. The number of test cases T is given in the first line of the file. For each test case, two strings and x and y (|x|<50, |y|<50) are given in the first and the second line, respectively. The alphabet is the set of the lowercase English characters.

    My program is to write to a file named "output.txt." For each case, print an value s of x and y in the first line and its length in the second line, respectively. Note that there can be more than one value but I should print only one.

    The following shows sample input and output for two test cases.
    2 ( Since value at line 1 is 2, four data possible)
    ababc (1st character string)
    bcba ( 2nd character string)
    aabbabab (3rd character String)
    abababa (4th character String)

    bc (/ba/bb) ( Comparing 1st character String and 2nd character String)
    abbaba (/ababab) ( Comparing 3rd character string and 4th character string)

    can anyone help me solving this problem.

  2. #2
    MFC killed my cat! manutd's Avatar
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  3. #3
    and the hat of int overfl Salem's Avatar
    Join Date
    Aug 2001
    The edge of the known universe
    Well what have you managed to achieve so far?

    A good first program is to read the whole file and print it straight back unmodified (which proves you can a) read the file and b) read it properly).
    If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
    If at first you don't succeed, try writing your phone number on the exam paper.

  4. #4
    Drunken Progammer CaptainMorgan's Avatar
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    Feb 2006
    On The Rocks
    can anyone help me solving this problem.

    Sure we can.

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