A.針對(duì)非數(shù)值計(jì)算的程序設(shè)計(jì)問(wèn)題 B.針對(duì)數(shù)值計(jì)算的程序設(shè)計(jì)問(wèn)題 C.數(shù)值計(jì)算與非數(shù)值計(jì)算的問(wèn)題都針對(duì) D.兩者都不針對(duì)