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Writing c++ program

Introduction:
                 
                    The source  code of a c++ program is stored on the disk with file extension cpp (cpp stands for  c plus plus)

Structure of c++ programs:
                     
                               A c++ program consists of three main parts:
  1.  Preprocessor Directive    
  2. The main() function
  3. c++ statements
Preprocessor Directives:
                                       The instructions that are given to the compiler before the beginning of the actual program is called Preprocessor Directives also known  as compiler Directives

Example:
         
#include<iostream>

using namespace std;

main()

{

   cout<<"<<Life is beautiful";

}
                                    
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