RosettaCodeData/Task/Mutual-recursion/PureBasic/mutual-recursion.basic

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Declare M(n)
Procedure F(n)
If n = 0
ProcedureReturn 1
ElseIf n > 0
ProcedureReturn n - M(F(n - 1))
EndIf
EndProcedure
Procedure M(n)
If n = 0
ProcedureReturn 0
ElseIf n > 0
ProcedureReturn n - F(M(n - 1))
EndIf
EndProcedure
Define i
If OpenConsole()
For i = 0 To 19
Print(Str(F(i)))
If i = 19
Continue
EndIf
Print(", ")
Next
PrintN("")
For i = 0 To 19
Print(Str(M(i)))
If i = 19
Continue
EndIf
Print(", ")
Next
Print(#CRLF$ + #CRLF$ + "Press ENTER to exit")
Input()
CloseConsole()
EndIf