Aintfun(inta，floatb){}floatfun(inta，floatb){}Bfloatfun(inta，floatb){}floatfun(intx，floaty){}Cfloatfun(floata){}floatfun(floata，floatb){}Dfloatfun(inta，floatb){}floatfun(inta，floatb){}