VFP的程序题 最好能有详解 下列程序段执行后,PAR1= (8) ,PAR2= (9) .SET UDFPARMS TO REFERENCEPAR1=2PAR2=10K=PFH(PAR1,PAR2/2)PAR1,PAR2FUNCTION PFHPARAMETERS M,NSUM1=0FOR I=M to NSUM1=SUM1+I*INEXT I M=SUM1N=M+SUM1 RETURN SUM1(8
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![VFP的程序题 最好能有详解 下列程序段执行后,PAR1= (8) ,PAR2= (9) .SET UDFPARMS TO REFERENCEPAR1=2PAR2=10K=PFH(PAR1,PAR2/2)PAR1,PAR2FUNCTION PFHPARAMETERS M,NSUM1=0FOR I=M to NSUM1=SUM1+I*INEXT I M=SUM1N=M+SUM1 RETURN SUM1(8](/uploads/image/z/12881925-45-5.jpg?t=VFP%E7%9A%84%E7%A8%8B%E5%BA%8F%E9%A2%98+%E6%9C%80%E5%A5%BD%E8%83%BD%E6%9C%89%E8%AF%A6%E8%A7%A3+%E4%B8%8B%E5%88%97%E7%A8%8B%E5%BA%8F%E6%AE%B5%E6%89%A7%E8%A1%8C%E5%90%8E%2CPAR1%3D+%EF%BC%888%EF%BC%89+%2CPAR2%3D+%EF%BC%889%EF%BC%89+.SET+UDFPARMS+TO+REFERENCEPAR1%3D2PAR2%3D10K%3DPFH%28PAR1%2CPAR2%2F2%29PAR1%2CPAR2FUNCTION+PFHPARAMETERS+M%2CNSUM1%3D0FOR+I%3DM+to+NSUM1%3DSUM1%2BI%2AINEXT+I+M%3DSUM1N%3DM%2BSUM1+RETURN+SUM1%EF%BC%888)
VFP的程序题 最好能有详解 下列程序段执行后,PAR1= (8) ,PAR2= (9) .SET UDFPARMS TO REFERENCEPAR1=2PAR2=10K=PFH(PAR1,PAR2/2)PAR1,PAR2FUNCTION PFHPARAMETERS M,NSUM1=0FOR I=M to NSUM1=SUM1+I*INEXT I M=SUM1N=M+SUM1 RETURN SUM1(8
VFP的程序题 最好能有详解
下列程序段执行后,PAR1= (8) ,PAR2= (9) .
SET UDFPARMS TO REFERENCE
PAR1=2
PAR2=10
K=PFH(PAR1,PAR2/2)
PAR1,PAR2
FUNCTION PFH
PARAMETERS M,N
SUM1=0
FOR I=M to N
SUM1=SUM1+I*I
NEXT I
M=SUM1
N=M+SUM1
RETURN SUM1
(8) (9)是空格
VFP的程序题 最好能有详解 下列程序段执行后,PAR1= (8) ,PAR2= (9) .SET UDFPARMS TO REFERENCEPAR1=2PAR2=10K=PFH(PAR1,PAR2/2)PAR1,PAR2FUNCTION PFHPARAMETERS M,NSUM1=0FOR I=M to NSUM1=SUM1+I*INEXT I M=SUM1N=M+SUM1 RETURN SUM1(8
这是一个考查关于参数传递的题目:
SET UDFPARMS TO REFERENCE,模块程序按引用传递参数;
PAR1=2,对参数赋初值;
PAR2=10
K=PFH(PAR1,PAR2/2),执行带参数的模块程序pfh;
?PAR1,PAR2,返回执行模块后的变量值;
FUNCTION PFH,模块程序段开始;
PARAMETERS M,N,声明m,n,为模块程序中的私有变量,接收值为m=2,n=10/2=5;
SUM1=0,对变量赋初值;
FOR I=M to N,循环开始,相当于for i=2 to 5;
SUM1=SUM1+I*I
NEXT 循环结束 ,此时sum1值=54;
M=SUM1 将sum1的运算结果赋值给m;
N=M+SUM1
RETURN SUM1 结束模块程序返回上级程序
,同时返回par1的值;