Chapter 3.3, Problem 12SC

Explanation of Solution

Program code:

//Check whether the value of "x" is equal to "0"

if (x==0)

{

    //Assign the value of "s" to "0"

    s=0;

}

//Check whether the value of "x" is greater than "0"

else if(x > 0)

{

    //Assign the value of "s" to "1"

    s=1;

}

//Otherwise

else

{

    //Assign the value of "s" to "-1"

   ;&#x...