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Ch2.m3
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Ch2.m3
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MODULE Ch2 EXPORTS Main;
IMPORT SIO,IntSorting,IntSeq;
VAR
A1:ARRAY[0..3] OF INTEGER := ARRAY OF INTEGER{2,5,3,4};
A2:ARRAY[0..7] OF INTEGER := ARRAY OF INTEGER{9,4,1,3,6,4,6,1};
A3:ARRAY[0..3] OF INTEGER := ARRAY OF INTEGER{1,2,2,3};
PROCEDURE NumberGame(VAR A:ARRAY OF INTEGER):IntSeq.T =
VAR Ret:IntSeq.T := NEW(IntSeq.T).init(NUMBER(A));
BEGIN
IntSorting.QuickSort(A,FIRST(A),LAST(A));
FOR I := FIRST(A) TO LAST(A) BY 2 DO
Ret.addhi(A[I+1]);
Ret.addhi(A[I])
END;
RETURN Ret
END NumberGame;
PROCEDURE PrintSequence(READONLY S:IntSeq.T) =
BEGIN
FOR I := 0 TO S.size()-1 DO
SIO.PutInt(S.get(I)); SIO.PutChar(' ')
END;
SIO.Nl()
END PrintSequence;
BEGIN
PrintSequence(NumberGame(A1));
PrintSequence(NumberGame(A2));
PrintSequence(NumberGame(A3));
END Ch2.