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/*
*
* 7.37
*
*
*/
/*
class Sales_data {
public:
// defines the default constructor as well as one that takes a string argument
Sales_data(std::string s = ""): bookNo(s) { }
// remaining constructors unchanged
Sales_data(std::string s, unsigned cnt, double rev):
bookNo(s), units_sold(cnt), revenue(rev*cnt) { }
Sales_data(std::istream &is) { read(is, *this); }
// remaining members as before
};
*/
/*
Sales_data first_item(cin); // Sales_data(std::istream &is) { read(is, *this); }
int main() {
Sales_data next; // Sales_data(std::string s = ""): bookNo(s) { }
Sales_data last("9-999-99999-9"); // Sales_data(std::string s = ""): bookNo(s) { }
}
*/
int main () {
return 0;
}
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