你可能感興趣的試題

A.void fun（char x，double y ）?
B.char fun（char c，double d ）?
C.char function（char a，double b ）?
D.char fun（double x，char y ）

A.void Area（double r）{double s；s =3.14*r*r；return s；}
B.double Area（）{double s；s =3.14*r*r；return s；}
C.double Area（double r）{double s；s =3.14*r*r；return s；}
D.double Area（double r）{Area =3.14*r*r；}