C++ Primer Plus 第六版（中文） 编程练习3.7.3

int main(){const double degree_minute=60;const double minute_second=60;cout<<"Enter a latitude in degrees, minutes,seconds: "<<endl;cout<<"First, enter the degrees: ";int degree;cin>>degree;cin.get();cout<<"Next, enter the seconds of arc: ";int minute;cin>>minute;cin.get();cout<<"Finally, enter the seconds of arc: ";int second;cin>>second;cin.get();    double minutes=double(minute)+double(second/ minute_second);double degrees=double(degree)+double(minutes/ degree_minute);cout<<degree<<" degrees, "<<minute<<" minutes, "<<second<<" seconds = "<<degrees<<" degrees";cin.get();return 0;}