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MODULE Ch1 EXPORTS Main;
IMPORT IO;
VAR
A1 := ARRAY[0..2] OF CARDINAL{0,1,2};
A2 := ARRAY[0..3] OF CARDINAL{4,3,2,1};
A3 := ARRAY[0..9] OF CARDINAL{1,2,3,4,5,6,7,8,9,0};
PROCEDURE SmallestIndex(VAR A:ARRAY OF CARDINAL):INTEGER =
BEGIN
FOR I := FIRST(A) TO LAST(A) DO
IF I MOD 10 = A[I] THEN RETURN I END
END;
RETURN -1
END SmallestIndex;
BEGIN
IO.PutInt(SmallestIndex(A1)); IO.Put("\n");
IO.PutInt(SmallestIndex(A2)); IO.Put("\n");
IO.PutInt(SmallestIndex(A3)); IO.Put("\n");
END Ch1.
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