error jump to case label

1put everything in the case x: under {} brackets
2metti tutto quello nel case x: sotto le parentesi {}

1switch (choice)
2{
3    case 1: get_two_numbers(x, y);
4            //* vv here vv *
5            int sum = add(x, y);
6            //* ^^ here ^^ */
7            cout << x << " + " << y << " = " <<  sum << endl;
8            break;
9    case 2: get_two_numbers(x, y);
10            //* vv here vv */
11            int diff = subtract(x, y);
12            //* ^^ here ^^ */
13            cout << x << " - " << y << " = " <<  diff << endl;
14            break;
15    default:;
16}

1switch (choice)
2{
3    case 1:
4        {
5            get_two_numbers(x, y);
6            int sum = add(x, y);
7            cout << x << " + " << y << " = " <<  sum << endl;
8        }
9        break;
10    case 2:
11        {
12            get_two_numbers(x, y);
13            int diff = subtract(x, y);
14            cout << x << " - " << y << " = " <<  diff << endl;
15        }
16        break;
17    default:
18        break;
19}