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发表于 2021-3-30 15:25:18
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 - #include<iostream>
- using namespace std;
- class CTime
- {
- private:
- int hour,minute,second;
- public:
- CTime();
- CTime(int th,int tm,int ts);
- void Show();
- };
- CTime::CTime()
- {
- hour=0;
- minute=0;
- second=0;
- cout<<"Function #1 is called!"<<endl;
- }
- CTime::CTime(int th,int tm,int ts)
- {
- hour=th;
- minute=tm;
- second=ts;
- cout<<"Function #2 is called!"<<endl;
- }
- void CTime::Show()
- {
- cout<<hour<<":"<<minute<<":"<<second<<endl;
- cout<<"Function #3 is called!"<<endl;
- }
- class CDate:public CTime
- {
- private:
- int year,month,day;
- public:
- CDate();
- CDate(int dy,int dm,int dd);
- CDate(int dy,int dm,int dd,int th,int tm,int ts);
- CDate(int dy,int dm,int dd,CTime t);
- CDate(CTime t);
- void Show();
- };
- CDate::CDate()
- {
- cout<<"Function #4 is called!"<<endl;
- year=2015;
- month=5;
- day=25;
- }
- CDate::CDate(int dy,int dm,int dd)
- {
- cout<<"Function #5 is called!"<<endl;
- year=dy;
- month=dm;
- day=dd;
- }
- CDate::CDate(int dy,int dm,int dd,int th,int tm,int ts)
- {
- cout<<"Function #6 is called!"<<endl;
- year=dy;
- month=dm;
- day=dd;
- CTime(th,tm,ts);
- }
- CDate::CDate(int dy,int dm,int dd,CTime t):CTime(t)
- {
- cout<<"Function #7 is called!"<<endl;
- year=dy;
- month=dm;
- day=dd;
- }
- CDate::CDate(CTime t):CTime(t)
- {
- cout<<"Function #8 is called!"<<endl;
- year=2015;
- month=5;
- day=25;
- }
- void CDate::Show()
- {
- CTime::Show();
- cout<<year<<"-"<<month<<"-"<<day<<" " << endl;
- cout<<"Function #9 is called!"<<endl;
- }
- int main()
- {
- int dy,dm,dd,th,tm,ts,cas=0;
- CTime t1;
- CDate d1;
- cout<<"T1:"; t1.Show();
- cout<<"D1:"; d1.Show();
- while(cin>>dy>>dm>>dd>>th>>tm>>ts)
- {
- cas++;
- cout<<"Case #"<<cas<<":"<<endl;
- CTime t2(th,tm,ts);
- CDate d2(dy,dm,dd);
- CDate d3(dy,dm,dd,th,tm,ts);
- CDate d4(dy,dm,dd,t2);
- CDate d5(t2);
- cout<<"T2:"; t2.Show();
- cout<<"D2:"; d2.Show();
- cout<<"D3:"; d3.Show();
- cout<<"D4:"; d4.Show();
- cout<<"D5:"; d5.Show();
- }
- return 0;
- }
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