[Courses] C Programming For Absolute Beginners, Lesson 2: Fun With Printf, Scanf, Puts, and Variables

[Sachin Divekar]

On Wed, Feb 22, 2012 at 1:12 AM, Carla Schroder <carla at bratgrrl.com> wrote:
> On Wednesday, February 22, 2012 12:10:25 AM Sachin Divekar wrote:
>> Hi,
>>
>> I am really enjoying discussions on this course's mailing list.
>>
>> Now towards the question.
>>
>> I tried a very large input to addition program. Following was the result.
>>
>> ==========================================
>> sachin at sachin-ThinkPad-T420:~/projects/C$ ./addition
>> Please enter any number up to three digits:
>> 1111111111111111111111111
>> Please enter another number up to three digits:
>> 1111111111111111111111111111111111111111111111
>> -1 + -1 = -2
>> ===========================================
>>
>> A quick reading on Wikipedia about C data type "int" says,
>>
>> "basic signed integer type. At least 16 bits in size."
>>
>> So, what exactly "16 bits in size" means? I know 1 bit is either state
>> 1 or 0. But how this(bits) determines size of number?
>>
>> Thanks.
>>
>> --
>> Regards,
>> Sachin
>
>
> This page should help you understand int and other C data types. It gives
some
> good examples of printf conversions too:
>
> C Data Types
> http://cprogramminglanguage.net/c-data-types.aspx
>


Dear Carla,

Thanks for the link. The link is very useful.

Additionally the article on "primitive data types" on Wikipedia helped me
understand few more concepts.

http://en.wikipedia.org/wiki/Primitive_data_type#Numeric_data_type_ranges

--
Regards,
Sachin