void exchangeByValue (int x, int y) { printf ("\n\nOriginal x and y received: $d $d", x, y); int temp; temp =x; x=y; y=temp; printf("\nNew: id $d", x, y): } void exchangeByRef (int *x, int *y) {...

Extracted text: void exchangeByValue (int x, int y) { printf ("\n\nOriginal x and y received: $d $d", x, y); int temp; temp =x; x=y; y=temp; printf("\nNew: id $d", x, y): } void exchangeByRef (int *x, int *y) { printf ("\n\nOriginal x and y received: $d $d", *x, *y); int temp; temp = *x; *x = *y; *y = temp; printf ("\nNew: id $d", *x, *y); } а. Show the output b. Trace the output (show the tracing using drawing). Explain your answer if necessary.