1、 Label4 = 方程无根3. 输入一个百分制的成绩,若大于等于60,则用消息框弹出,显示“恭喜!成绩通过!”,若小于60,则弹出消息框,显示“抱歉!成绩没有通过!Private Sub Form_Load()Text1 = Dim nn = Text1 =60 ThenVal (MsgBox(恭喜!Else抱歉!4. 输入一年份,判断它是否为闰年,并显示有关信息。(判断闰年的条件是:年份能被4整除但不能被100整除,或者能被400整除)Dim y%y = InputBox(请输入年份)If y Mod 4 = 0 And y Mod 100 0 Or y Mod 400 = 0 Then闰
2、年!平年!5. 输入学生的百分制成绩,转换输出为五级制成绩,90100分转换为优秀,8089转换为良好,7079转换为中等,6069转换为及格,060转换为不及格。a = Val(InputBox(请输入成绩If a 100 Then Print 超出范围= 90 And a = 100 Then Print 优秀= 80 And a 90 Then Print 良好= 70 And a 80 Then Print 中等= 60 And a 70 Then Print 及格If a n1 Then m = m1: n = n1 m = n1: n = m1 End If r = m Mod n
3、 Do While r max Then max = a(i)If a(i) min Then min = a(i)s = s + a(i)s = s - min - maxs = s / 5平均分 s12. 输入一串字符,统计其中字母A(不区分大小写)出现的次数。Dim c As String, a As Integerb = InputBox(请输入字符For i = 1 To Len(b) c = UCase(Mid(b, i, 1) If c = A Then a = a + 1 Next i Print a出现的次数: a13. 我国目前有13亿人口,按人口年增长率0.8%计算,多少
4、年后我国人口将超过26亿。Dim a, ia = 13i = 0Do While a =2 )Dim F(11), i As LongF(0) = 1F(1) = 1For i = 2 To 10F(i) = F(i - 1) + F(i - 2)For i = 0 To 11Print F(i);18. 将输入的字符串以反序显示。例如:输入“ASDFGT”,显示“TGFDSA”Dim a, b, c, d, na = InputBox(输入字符串n = Len(a)For b = 1 To Int(n 2)c = Mid(a, b, 1)Mid(a, b, 1) = Mid(a, n - b
5、 + 1, 1) Mid(a, n - b + 1, 1) = cNext bPrint a19. 随机产生10个30,100内的整数,求最大值及所对应的下标Dim a(1 To 10), mRandomizeFor I = 1 To 10a(I) = Int(Rnd * 71) + 30Print a(I)Next IMax = a(1)For I = 2 To 10If a(I) Max Then Max = a(I): m = Imax= Maxmax的下标为 m20. 随机产生10个30,100内的整数,求最大值、最小值和平均值。Dim a(1 To 10)For i = 1 To 1
6、0a(i) = Int(Rnd * 71) + 30Print a(i)Min = a(1)Avg = a(1) Max Then Max = a(i) Min Then Min = a(i) Avg = Avg + a(i)Avg = Avg / 10min= Minavg= AvgEnd Sub 21. 随机产生10个30,100内的整数,求最小值及所对应的下标。If a(I) Min Then Min = a(I):min的下标为22. 随机生成一个整型的二维数组,范围在10,20之间,以下三角形式输出该数组。Dim a(1 To 10, 1 To 10), i, j As Intege
7、rFor j = 1 To 10a(i, j) = Int(Rnd *11 + 10)For j = 1 To iPrint Spc(3); a(i, j);Print23. 随机产生10个1100的正整数放入数组,显示产生的数,求最大值、最小值、平均值。a(i) = Int(Rnd * 101) + 124. 利用随机函数生成一个44的矩阵(即二维矩阵),范围是20,50内的整数,输出该矩阵所有数据之和Dim a%(4, 5), sumFor i = 1 To 4For j = 1 To 4a(i, j) = Int(Rnd * 31) + 20Print a(i, j);sum = sum
8、 + a(i, j)Print 换行sum= sum25. 已知有序数组a(),编程插入x(x的值为14)。数组a中的元素分别为12,6,4,89,75,63,100,20,31。Dim a(), i%, k%, x%, n%a = Array(4, 6, 12, 20, 31, 63, 75, 89, 100)n = UBound(a)x = Val(InputBox(请输入所要插入数For k = 0 To nIf x a(k) Then Exit ForNext kReDim Preserve a(n + 1)For i = n To k Step -1a(i + 1) = a(i)a(
9、k) = xFor i = 0 To n + 1Print a(i);26. 编写一函数,计算Double类型一维数组所有元素的平均值。27. 编一子过程ProcMin,求一维数组a中的最小值,子过程的形参自己确定Private Sub command1_Click()Dim a(1 To 10), min, i%a(i) = Int(Rnd * 101)Call ProcMin(a(), min)min = minSub ProcMin(b(), min)Dim i%min = b(LBound(b)For i = LBound(b) + 1 To UBound(b)If b(i) max Then max = b(i)30. 编写一个过程计算并输出区间100,1000内所有素数的和(要求判断素数使用过程(函数或子过程)来实现。调用该过程。(提示:只能被1和自身整除的自然数称为素数。
copyright@ 2008-2022 冰豆网网站版权所有
经营许可证编号:鄂ICP备2022015515号-1