assignment3CLASSXI

ASSIGNMENT3

(SWITCH..CASE,IF..ELSE..,WHILE LOOP)  

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QUESTIONS AND ANSWERS

Q1.  Rewrite the if ..else program to switch..case:

if (x == 1 || x == 2)

{

cout<<"Its 1 and 2 selected";

}else if (x == 3 || x == 4)

{

cout<<"Its 3 and 4 selected";

}else

{

cout<<"Not selected";

}

Q2.  Rewrite the switch..case to if..elseif..else

 switch(option)
    {
    case 'a':
    case 'A': a=20+10;
        cout<<"Addition process result"<<a;
        break;
    case 'b':
    case 'B': a=20-10;
        cout<<"Subtraction process result:"<<a;
        break;
    case 'c':
    case 'C': a=20*10;
        cout<<"Multiplication process result:"<<a;
        break;
    case 'd':
    case 'D': a=20/10;
        cout<<"Division process result:"<<a;
        break;
    default: cout<<"Invalid option";
    } 

Q3.  Rewrite the switch..case to if..elseif..else

   switch (number)
{
    case 1:
            cout<<"My Favourite Subject is";
            break;
    case 2:
            cout<<"Fundamentals of Programming";
            break;
    case 3:
            cout<<"Exit";
            break;
    default:
            cout<<"Invalid Data";
}

Q4.   Rewrite the switch..case to if..elseif..else

switch (x) 

{
  case 1:
  case 2:
  case 3:
    cout << "x is 1, 2 or 3";
    break;
  default:
    cout << "x is not 1, 2 nor 3";
  }

Q5.  Rewrite the if ..else program to switch..case:

if(choice == 1)
        {
            cout<<"You selected 1.";
        }
        else if(choice == 2 || choice == 3)
        {
            cout<<"You selected 2 or 3.";
        }
        else if(choice == 4)
        {
            cout<<"You selected 4.";
        }
        else
        {
            cout<<"Please enter a choice between 1-4.";
        }

Q6.  Rewrite the if ..else program to switch..case:

char wish;
if(wish=='a')
cout<<"YOU WILL GET 40 OUT OF 40";
else if(wish=='b' || wish=='c')
cout<<"MY FRIEND WILL GET 40 OUT OF 40";
else if(wish=='d')
cout<<"TEACHER WILL NOT GIVE 40 OUT OF 40";
else
cout<<"NO ONE WILL GET 40 OUT OF 40";

Q7.  Rewrite the if ..else program to switch..case:

if(code=='A')
cout<<"Autumn";
else
if(code=='B')
cout<<"Winter";
else
if(code=='C' || code=='c')
cout<<"Spring";
else
cout<<"Enter the correct code";

Q8.  Rewrite the if ..else program to switch..case:

 if(ch=='E' || ch=='e')
cout<<"EAST";
else if(ch=='W')
cout<<"WEST";
else if(ch=='N')
cout<<"NORTH";
else if(ch=='S')
cout<<"SOUTH";
else
cout<<"Incorrect direction";