Hi C-programmers,
      Can you please clarify this doubt to me related with 'int' 
and 'long' data type in C++? When should a programmer use 'int' and 
when should he use 'long'? What is the need of datatype 'long', 
when 'int' & 'long' are both 32-bit quantities on a 32-bit OS ?

Regards,
Yashpal

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