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#include
void set(int y, int m, int d); void print(); private:
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int year, month, day; };
void Date::set(int y, int m, int d) {
year = y; month = m; day = d; }
void Date::print() {
cout< void main() { Date t1; t1.set(2005,3,3); t1.print(); } 2005.3.3 2¡¢ #include Date (); Date (int y, int m, int d); void print(); private: int year, month, day; 7 }; Date:: Date ():year(2005),month(3),day(15) { } Date:: Date (int y, int m, int d):year(y),month(m),day(d) { } void Date::print() { cout< } void main() { Date t1,t2(2005,3,18) ; t1.print(); t2.print(); } 2005.3.15 2005.3.18 3¡¢ # include