試題詳解

18.下列的程序段中与上题的程序段对y的计算结果相同的是
(A) x=34567
(B)x=34567 y=0 y=0 flag=.T. flag=.T. DO WHILE flag DO WHILE flag y=x%10+y*10 y=x%10+y*10 x=int(x/10) x=int(x/10) IF x>0 IF x=0 flag=.F. flag=.F. ENDIF ENDIF ENDDO ENDDO
(C) x=34567
(D)x=34567 y=0 y=0 flag=.T. flag=.T. DO WHILE !flag DO WHILE !flag y=x%10+y*10 y=x%10+y*10 x=int(x/10) x=int(x/10) IF x>0 IF x=0 flag=.F. flag=.T. ENDIF ENDIF ENDDO ENDDO