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Hint On C

This is a discussion on Hint On C within the C Programming forums, part of the General Programming Boards category; Hi, i want to make a programme that convert any number system to any number system....means binary to hexa decimal....and ...

  1. #1
    Registered User kaushal1111's Avatar
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    Hint On C

    Hi,
    i want to make a programme that convert any number system to any number system....means binary to hexa decimal....and many more can you give me some hint about this programme.....i think it is made by switch case....?????????

  2. #2
    Programming Wraith GReaper's Avatar
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    Firstly, I want you to read this page.

    Now that that's clarified, you need to decide how will you represent numbers with base higher that 16.
    Secondly, "any number system to any number system" is pretty vague. Most ( if not all ) computers store numbers in binary. So you'll want to convert "any number system to binary" and "binary to any number system".

    Hint: A lookup table is the fastest/easiest way to to it. For example:
    Code:
    void printBinary(unsigned int num)
    {
        char digits[2] = { '0', '1' };
        char temp[65] = "";
        char number[65] = "";
    
        do
        {
            temp[0] = digits[num % 2];
            temp[1] = '\0';
            strcat(temp, number);
            strcpy(number, temp);
    
            num /= 2;
        }while (num != 0);
    
        printf("%s", number);
    }
    Be warned, this code is untested.
    Last edited by GReaper; 01-13-2012 at 09:06 AM.
    kaushal1111 likes this.
    Devoted my life to programming...

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