CPE 197
Spring 2001
Test II Solution

1. cin.get(chr1);
   cin.get(chr1);
   cin.ignore(80, '\n');
   cin.get(chr2);
   cin.get(chr2);
   cin.ignore(80, '\n');
   cin.get(chr3);
   cin.get(chr3);
   cin.ignore(80, '\n');
   
2. cout << "Please enter your age, height and weight (integers) "
        << " and the initials of your first and last name (characters "
        << "separated by a blank." << endl;
   cin >> age >> height >> weight >> first >> last;
   
3. a. !(T || F) || T = !T || T = F || T = T
   b. F && T && T = F && T = F
   c. !T || (F || !T) = F || (F || F) = F || F = F
   d. F || (T && (T || F)) = F || (T && T) = F || T = T
   e. T || T && F = T || F = T
   
4. #include fstream;
   int val1, val2, val3, val4, val5, val6, val7, val8;
   ifstream indat;
   indat.open("input.dat");
   indat >> val1 >> val2 >> val3 >> val4 >> val5 >> val6 >> val7 >> val8;
   cout << val1 << val2 << endl
        << val3 << val4 << endl
        << val5 << val6 << endl
        << val7 << val8 << endl;
        
5. 60_ood_men, where _ is a blank

6. Level 0
   
   Get data
   Compute total price
   Output data
   
   Level 1
   
   Get data
   
   Read invoice number
   Read quantity ordered
   Read unit price
   
   Compute total price
   
   total = quantity * unit price
   
   Output data
   
   Print "Your invoice number is "
   Print invoice number
   Print "The quantity ordered is "
   Print quantity ordered
   Print "The unit price is "
   Print unit price
   Print "Please pay the following "
   Print total price

7. Madam_Now_I'm_Adam, where _ is a blank

8. double x1, y1, x2, y2;
   double dist;
   
   dist = sqrt((x1-x2)*(x1-x2) + (y1-y2)*(y1-y2));
   
9. a. x is other
   b. x > 10\n
   c. x > 10\n
      x > 20\n
   d. x > 10\n
      x > 20\n
   e. x > 10\n
      x > 20\n
   f. x > 10\n
      x > 20\n
   
10. not valid as given
    False
    False
    True
    True
    
11. if (grade < 60)
        cout << "Your grade is F";
    else if (grade < 70)
        cout << "Your grade is D";
    else if (grade < 80)
        cout << "Your grade is C";
    else if (grade < 90)
        cout << "Your grade is B";
    else
        cout << "Your grade is A";
        
12. Inputs: radius, choice
    Output: diameter, circumference, or area
    Algorithm:
    
       If choice is diameter
           Print Out 2*radius
       Else if choice is circumference
           Print Out 3.14*2*radius
       Else if choice is area
           Print Out 3.14*radius*radius
           
13. The ; after the }

14. char
    float
    int