2021年VB程序设计考试题库考试专用.doc

程序设计题1、题目：(事件)单击窗体(响应)用输入框输入一自然数，判断是正数、负数或零，并依照输入数用消息框显示正数、负数”或零。2、题目：(事件)单击窗体。(响应)求200300之间既能被3整除又能被7整除数。并求出所有数之和存入变量SUM中3、题目：单击窗体。(响应)已知S=1+1/4+1/9+1/16+1/25+1/100，成果输出在窗体上。4、题目：(事件)单击窗体。(响应)在窗体上打印数列2/1,3/2,5/3,8/5,13/8前10项，并求其和，将和保存在变量s中。5、题目：(事件)双击窗体。(响应)把一元钞票换成一分、二分和五分硬币每种至少有一枚），求出其所有换法，把成果输出在窗体上。将所有换法数目存入变量N中6、题目：单击窗体。)求1!+2!+3!+4!+5!并将成果输出到窗体上。成果存入变量S中7、题目：(事件)单击窗体。(响应)生成一种一维数组(10个数组元素依此为： 15、23、72、43、96、23、3、65、88、17写程序求出这个数组中最大值、最小值和平均值，并输出在窗体上。将最大值，最小值，平均值分别存入变量Max,Min,Aver中8、题目：(事件)单击窗体。(响应)在窗体上输出100200之间所有合数。求出所有数之和存入SUM中所谓合数是指自然数中能被1和本数整除以外,还能被其她数整除数。9、题目：(事件)单击窗体。(响应)求1020之间所有素数乘积并输出在窗体上。将成果存入变量L中。10、题目：(事件)单击窗体。(响应)求1 - 1/2 + 1/3 - 1/4 + + 1/99 - 1/100值。将成果存入变量J中。1题n = InputBox(输入一种自然数)If n 0 Then result = 正数ElseIf n max Then max = a(i) End If If a(i) n Then t = m：m = n：n = t*Program* End *End FunctionPrivate Sub Form_Load() Show Print fun(4，2) NJIT_VBEnd SubPrivate Sub NJIT_VB() Dim i As Integer Dim a(10) As String Dim fIn As Integer Dim fOut As Integer fIn = FreeFile Open App.Path & in.dat For Input As #fIn fOut = FreeFile Open App.Path & out.dat For Output As #fOut For i = 1 To 10 Step 2 Line Input #fIn，a(i) Line Input #fIn，a(i + 1) Print #fOut，Trim(Str(fun(Val(a(i)，Val(a(i + 1) Next Close #fIn Close #fOutEnd Sub18、题目：编写函数fun，函数功能是：判断一种数与否为素数。并显示相应提示。如：该数为素数时，显示素数；该数为非素数时，显示非素数规定使用For语句来实现，用布尔型变量flag作为该数与否为素数标志，注意：不得使用Goto语句。Private Function fun(m As Long) As StringDim flag As Boolean*Program* End *End FunctionPrivate Sub Form_Load() Show Print fun(225) NJIT_VBEnd SubPrivate Sub NJIT_VB() Dim i As Integer Dim a(10) As String Dim fIn As Integer Dim fOut As Integer fIn = FreeFile Open App.Path & in.dat For Input As #fIn fOut = FreeFile Open App.Path & out.dat For Output As #fOut For i = 1 To 10 Step 1 Line Input #fIn，a(i) Print #fOut，fun(Val(a(i) Next Close #fIn Close #fOutEnd Sub Next Close #fIn Close #fOutEnd Sub19、题目：编写函数fun，函数功能是：求1100以内能被m整除或能被n整除数总和并显示。如：m为15，n为11时，显示810，存储总和变量必要为Sum，规定使用For语句来实现。Private Function fun(m As Integer，n As Integer) As LongDim Sum As Long*Program* End *End FunctionPrivate Sub Form_Load() Show16题x = 10n = 0Do While x = 90 Then fun = 先进ElseIf mark = 80 Then fun = 良好ElseIf mark = 70 Then fun = 中档ElseIf mark = 60 Then fun = 及格Else fun = 不及格End If Dim a(10) As String20题Dim s，i As Integer For i = 2 To n - 1 If n Mod i = 0 Then s = s + i End If Next Fun = s Dim fIn As Integer Dim fOut As Integer fIn = FreeFile Open App.Path & in.dat For Input As #fIn fOut = FreeFile Open App.Path & out.dat For Output As #fOut For i = 1 To 10 Step 2 Line Input #fIn，a(i) Line Input #fIn，a(i + 1) Print #fOut，Trim(Str(fun(Val(a(i)，Val(a(i + 1) Next Close #fIn Close #fOutEnd Sub20、题目：编写函数fun，函数功能是：计算并输出给定整数n所有因子之和（不涉及1与自身）。规定n值不不不大于1000?例如：n值为855时，应输出704。21、题目：编写函数fun其功能是:判断一种整数w各位数字平方之和能否被5整除 ，可以被5整除则返回1 ，否则返回022、题目：编写函数fun其功能是：依照整型形参m，计算如下公式值: y=1/5+1/6+1/7+1/8+1/9+1/10.+1/(m+5)求：函数中用到中间变量必要声明为Single类型。11题Dim i As Integerdim s as integerFor i = 500 To 1 Step -1 s = i For j = i - 1 To 1 Step -1 If i Mod j = 0 Then s = s - j End If Next j If s = 0 Then Exit For End IfNext iPrint isum=i12题Dim i，j，imin，temp As Integer For i = 1 To n - 1 imin = i For j = i + 1 To n If a(imin) a(j) Then imin = j Next j temp = a(i) a(i) = a(imin) a(imin) = temp Next i13题Dim i As Integer For i = 2 To 1000 If i Mod 3 = 2 And i Mod 5 = 3 And i Mod 7 = 2 Then Print i Exit For End IfNext i sum = i14 题If UCase(n) = A And UCase(n) = 0 And n =90 then Fun=先进Elself mark =80 thenFun=良好Elseif mark=70 then Fun=中档Elseif mark=60 thenFun=及格Else Fun=不及格16题x = 10n = 0Do While x y x = x * 1.008 n = n + 1Loopfun = n17题Product = 1For i = m To n Product = Product * iNext ifun = Product18题 flag = TrueFor i = 2 To m - 1 If m Mod i = 0 Then flag = FalseNext iIf flag Then fun = 素数Else19 题Sum = 0For i = 1 To 100 If i Mod m = 0 Or i Mod n = 0 Then Sum = Sum + i End IfNext i20题Dim s，i As Integer For i = 2 To n - 1 If n Mod i = 0 Then s = s + i End If Next21题 Dim k As Integer，s As Integer Do s = s + (w Mod 10) * (w Mod 10) w = Int(w / 10) Loop While w 0 If s Mod 5 = 0 Then k = 1 Else k = 0 End If fun = k22题Dim y As Double Dim i As Integer For i = 0 To m y = y + 1 / (i + 5) Next Fun = y