Written below is the pseudo - code for a subroutine that exchanges the values of

Question

Written below is the pseudo - code for a subroutine that exchanges the values of two variables, without the use a third " temp " variable for swapping purposes.

          However the statements are out of order. Attempt to arrange the statements below into their proper order.

                    1.       I = I – J

                    2.       END

                    3.       I = I + J

                   4.       SUBROUTINE SWAP (I , J)

                   5.       J = I – J

                   6.       RETURN

(2) Pseudogode Function to Swap Two Values Written below is the pseudo code for a subroutine that exchanges the values of two variables, without the use a third "temp variable for swapping purposes. However the statements are out of order. Attempt to arrange the statements below into their proper order. 2. END 4. SUBROUTINE SWAP (LA J) 6. RETURN

Explanation / Answer

1. I = I + J
2. J = I – J
3. SUBROUTINE SWAP (I , J)
4. I = I – J
5. END
6. RETURN

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