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  1. // "New" means new compared to previous level
  2. #include <iostream>
  3. using namespace std;
  4.  
  5. class InchSize {
  6.    public:
  7.       InchSize(int wholeInches = 0, int sixteenths = 0);
  8.       void Print() const;
  9.       InchSize operator+(InchSize rhs);
  10.       InchSize operator+(int sixteenthsOfInch);
  11.    private:
  12.       int inches;
  13.       int sixteenths;
  14. };
  15.  
  16. InchSize InchSize::operator+(InchSize rhs) {
  17.    InchSize totalSize;
  18.  
  19.    totalSize.inches = inches + rhs.inches;
  20.    totalSize.sixteenths = sixteenths + rhs.sixteenths;
  21.  
  22.    // If sixteenths is greater than an inch, carry 1 to inches.
  23.    if (totalSize.sixteenths >= 16) {
  24.       totalSize.inches += 1;
  25.       totalSize.sixteenths -= 16;
  26.    }
  27.  
  28.    return totalSize;
  29. }
  30.  
  31. // New: Overloaded + operator adding integers.
  32. InchSize InchSize::operator+(int sixteenthsOfInch) {
  33.    InchSize totalSize;
  34.  
  35.    totalSize.inches = inches;
  36.    totalSize.sixteenths = sixteenths + sixteenthsOfInch;
  37.  
  38.    // While sixteenths is greater than an inch, carry to inches.
  39.    while (totalSize.sixteenths >= 16) {
  40.       totalSize.inches += 1;
  41.       totalSize.sixteenths -= 16;
  42.    }
  43.  
  44.    return totalSize;
  45. }
  46.  
  47. InchSize::InchSize(int wholeInches, int sixteenthsOfInch) {
  48.    inches = wholeInches;
  49.    sixteenths = sixteenthsOfInch;
  50. }
  51.  
  52. void InchSize::Print() const {
  53.    cout << inches << " " << sixteenths << "/16 inches" << endl;
  54. }
  55.  
  56. int main() {
  57.    InchSize size1(7, 13);
  58.    InchSize size2(8, 14);
  59.    InchSize sumSize;
  60.    InchSize totalSize;
  61.  
  62.    sumSize = size1 + size2;
  63.    totalSize = sumSize + 22;
  64.  
  65.    totalSize.Print();
  66.  
  67.    return 0;
  68. }
Success #stdin #stdout 0.01s 5292KB
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18 1/16 inches
https://ideone.com/UiX06q
language:
C++ (gcc 8.3)
created:
8 days ago
visibility:
public

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