RosettaCodeData/Task/Remove-duplicate-elements/Oberon/remove-duplicate-elements.o...

44 lines
945 B
Plaintext

MODULE RD;
IMPORT Out;
TYPE
TArray = ARRAY 7 OF INTEGER;
VAR
DataArray,ResultArray:TArray;
ResultIndex,LastResultIndex,Position:LONGINT;
IsNewNumber:BOOLEAN;
PROCEDURE Init(VAR A:TArray);
BEGIN
A[0] := 1; A[1] := 2; A[2] := 2; A[3] := 3;
A[4] := 4; A[5] := 5; A[6] := 5;
END Init;
BEGIN
Init(DataArray);
ResultArray[0] := DataArray[0];
LastResultIndex := 0;
Position := 0;
WHILE Position < LEN(DataArray)-1 DO
INC(Position);
IsNewNumber := TRUE;
ResultIndex := 0;
WHILE(ResultIndex <= LastResultIndex) & (IsNewNumber) DO
IF DataArray[Position] = ResultArray[ResultIndex] THEN
IsNewNumber := FALSE;
END;
INC(ResultIndex);
END;
IF IsNewNumber THEN
INC(LastResultIndex);
ResultArray[LastResultIndex] := DataArray[Position];
END;
END;
FOR ResultIndex := 0 TO LastResultIndex DO
Out.Int(ResultArray[ResultIndex],0); Out.Char(' ');
END;
Out.Ln;
END RD.