Question

1. convert the following if/else if statement into a switch statement: if (choice == 1) { cout << fixed << showpoint << setprecision(2); } else if (choice == 2 || choice == 3) { cout << fixed << showpoint << setprecision(4); } else if (choice == 4) { cout << fixed << showpoint << setprecision(6); } else { cout << fixed << showpoint << setprecision(8); }

Explanation:

Step1: Start switch statement

switch(choice) {

Step2: Case for choice = 1

case 1:
    cout << fixed << showpoint << setprecision(2);
    break;

Step3: Case for choice = 2 or 3

case 2:
case 3:
    cout << fixed << showpoint << setprecision(4);
    break;

Step4: Case for choice = 4

case 4:
    cout << fixed << showpoint << setprecision(6);
    break;

Step5: Default case

default:
    cout << fixed << showpoint << setprecision(8);
    break;
}

Answer:

switch(choice) {
case 1:
    cout << fixed << showpoint << setprecision(2);
    break;
case 2:
case 3:
    cout << fixed << showpoint << setprecision(4);
    break;
case 4:
    cout << fixed << showpoint << setprecision(6);
    break;
default:
    cout << fixed << showpoint << setprecision(8);
    break;
}