Write a main function that opens an ifstream on the input file, "person.dat".  If the stream cannot be  opened, output an error message and exit.
 
    The file format is as follows:

     last_name comma first_name comma weight newline

Posted Date: 3/13/2013 8:19:17 AM | Location : United States

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Hello, I’ve been trying so manyfunction for this but those function didn’t work. Please write the function for this probelm. Posted by | Posted Date: 3/13/2013 8:23:58 AM

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