Скачай Билеты по информатике 10 класс: Visual Basic реферат по информатике и еще Сочинения в формате PDF Информатика только на Docsity! Билет №5 1 Операторы описания типов переменных DIM-описывает переменные и выделяет для них память. Dim String as Type String - имя переменной Type - описание переменной Описание Размер Тип данных Диапазон Byte 1б Целое число 0-255 Integer 2б Целое число + 32768 Long 4б Целое число + 2 млрд. Double 4б Веществ. +10+304 String Len (String) Символы 0-~64000 Boolean 2б True/False 1;0 Variant 16б Произвольн Произв. 2 Sub Знаки( ) Dim S As String, Pr As String Dim nPr As Integer, i As Long S = InputBox("Введите текст") Pr = ",.?!:;" nPr = 0 For i = 1 To Len(S) If (InStr(Pr, Mid(S, i, 1))) > 0 Then nPr = nPr + 1 End If Next i MsgBox ("Кол-во =" + Str(nPr)) End Sub 3 Sub Swap(S As String, i As Long, j As Long) Dim c As String c = Mid(S, i, 1) Mid(S, i, 1) = Mid(S, j, 1) Mid(S, j, 1) = c End Sub Sub шифр( ) Dim S As String, Sh As String Dim S1 As String, c As String Dim Gl As String, K As Long Dim i As Long Sh = "Шаблон" S = InputBox("Ввод строки" ) Gl = "аеиоуыэюяё" For i = 1 To Len(S) c = Mid(S, i, 1) S1 = S1 + c If InStr(Gl, c) > 0 Then K = K + 1 If K > Len(Sh) Then K = 1 S1 = S1 + Mid(Sh, K, 1) End If Next i For i = 1 To Len(S1) - 1 Step 2 Call Swap(S1, i, i + 1) Next i For i = 1 To Len(S1) - 2 Step 3 Call Swap(S1, i, i + 2) Next i S = S1 MsgBox (S) End Sub 4 Sub Раскодировщик( ) Dim S As String, i As Long Dim S1 As String, c As String Dim Gl As String, K As Long S = InputBox("Ввод шифра" ) Gl = "аеиоуыэюяё" For i = 1 To Len(S) - 2 Step 3 Call Swap(S, i, i + 2) Next i For i = 1 To Len(S) - 1 Step 2 Call Swap(S, i, i + 1) Next i For i = 1 To Len(S) c = Mid(S, i, 1) S1 = S1 + c If InStr(Gl, c) > 0 Then i = i + 1 Next i MsgBox (S1) End Sub 5 Sub Замена() Dim S As String, S1 As String Dim n As Long, C As String S = InputBox("Ввод строки" ) n = 0 For i = 1 To Len(S) C = Mid(S, i, 1) If Mid(S, i, 1) = "&" Then S1 = S1 + "Фамилия" n = n + 1 ElseIf Mid(S, i, 3) = "Имя" Then S1 = S1 + "Фамилия" i = i + 2 n = n + 1 Else S1 = S1 + C End If Next i MsgBox (S1) MsgBox (n) End Sub
