На Visual Basic
Sub Roma
Dim R As String, N As Long, k As Integer, i As Integer
R = InputBox ("Vvedite Rimskoe chislo")
N = 0 : k = 0
i = 1
Do
k = InStr$(R, i, "M")
If k > 0 Then N = N + 1000
Loop While ((k > 0) And (i <= Len(R)))
i = 1
Do
k = InStr$(R, i, "CM")
If k > 0 Then N = N - 100
Loop While ((k > 0) And (i <= Len(R)))
i = 1
Do
k = InStr$(R, i, "D")
If k > 0 Then N = N + 500
Loop While ((k > 0) And (i <= Len(R)))
i = 1
Do
k = InStr$(R, i, "CD")
If k > 0 Then N = N - 100
Loop While ((k > 0) And (i <= Len(R)))
i = 1
Do
k = InStr$(R, i, "C")
If k > 0 Then
If (Mid$(R, k+1, 1) <> "D") And (Mid$(R, k+1, 1) <> "M") Then
N = N + 100
End If
End If
Loop While ((k > 0) And (i <= Len(R)))
i = 1
Do
k = InStr$(R, i, "XC")
If k > 0 Then N = N - 10
Loop While ((k > 0) And (i <= Len(R)))
i = 1
Do
k = InStr$(R, i, "L")
If k > 0 Then N = N + 50
Loop While ((k > 0) And (i <= Len(R)))
i = 1
Do
k = InStr$(R, i, "XL")
If k > 0 Then N = N - 10
Loop While ((k > 0) And (i <= Len(R)))
i = 1
Do
k = InStr$(R, i, "X")
If k > 0 Then
If (Mid$(R, k+1, 1) <> "C") And (Mid$(R, k+1, 1) <> "L") Then
N = N + 10
End If
End If
Loop While ((k > 0) And (i <= Len(R)))
i = 1
Do
k = InStr$(R, i, "IX")
If k > 0 Then N = N - 1
Loop While ((k > 0) And (i <= Len(R)))
i = 1
Do
k = InStr$(R, i, "V")
If k > 0 Then N = N + 5
Loop While ((k > 0) And (i <= Len(R)))
i = 1
Do
k = InStr$(R, i, "IV")
If k > 0 Then N = N - 1
Loop While ((k > 0) And (i <= Len(R)))
i = 1
Do
k = InStr$(R, i, "I")
If k > 0 Then
If (Mid$(R, k+1, 1) <> "X") And (Mid$(R, k+1, 1) <> "V") Then
N = N + 1
End If
End If
Loop While ((k > 0) And (i <= Len(R)))
MsgBox (N)
End Sub
Красив тот, кто красиво поступает.
Место подключения к компьютеру внешних устройств, либо канал доступа извне называется Порт
# Код на ruby 2.2.3p173
def zadanie(s)
t = "9876543210"
return s == t[0..s.length-1]
end
# # # Примеры применения
p zadanie("9876")
p zadanie("98764")
p zadanie("98 764")
6. Проверка:
javascript:x=2,y=3;x-=y;if(x<0)x=y*2;else x*=2;alert(x);