cout<<"Input real part:"; cin>>r; cout<<"Input imaginary part:"; cin>>i; a.set(r,i); cout<<"a="; a.print(); cout<<"Complex b:\n"; cout<<"Input real part:"; cin>>r; cout<<"Input imaginary part:"; cin>>i; b.set(r,i); cout<<"b="; b.print(); int s; cout<<"Function:\n\n"; cout<<"1.c=a+b 2.c=a-b 3.c=a*b\n"<<"Please enter a number:"; Input:cin>>s; switch(s) { case 1: c=a+b;break; case 2: c=a-b;break; case 3: c=a*b;break; default:cout<<"Please enter '1','2'or'3'!\n";goto Input; } cout<<"\nc="; c.print(); }
测试数据(输入、输出)
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