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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. // getWidth, getArea, and displayData
  5. double getLength();
  6. double getWidth();
  7. double getArea( double&, double&);
  8. void displayData( double&, double&, double& );
  9.  
  10. int main() {
  11.    double length,  width,  area;     
  12.  
  13.    // Get the rectangle's length.
  14.    length = getLength();
  15.  
  16.    // Get the rectangle's width.
  17.    width = getWidth();
  18.  
  19.    // Get the rectangle's area.
  20.    area = getArea( length, width );
  21.  
  22.    // Display the rectangle's data.
  23.    displayData( length, width, area );
  24.  
  25.    return 0;
  26. }
  27.  
  28. //  Enter length and return that value as a double.
  29. double getLength() {
  30. 	double length;
  31. 	cout << "Enter the rectangle's length: ";
  32. 	cin >> length;
  33. 	return length;
  34. }
  35. //    enter width and return that value as a double.
  36. double getWidth() {
  37. 	double width;
  38. 	cout << "Enter the rectangle's width: ";
  39. 	cin >> width;
  40. 	return width;
  41. }
  42.  
  43. //  return the rectangle's area. The area is calculated by len
  44. double getArea( double& len, double& wid) {
  45. 	return len* wid;
  46. }
  47.  
  48. // displayData - This function should accept the rectangle's length, width, and area
  49. void displayData( double& len, double& wid, double& area ) {
  50. 	cout << "The length is:" << len<< endl;
  51. cout << "The width is:" << wid<< endl;
  52. cout <<"Total area is:" << area <<endl;
  53. }
Success #stdin #stdout 0s 5472KB
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stdin
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10
30
stdout
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Enter the rectangle's length: Enter the rectangle's width: The length is:10
The width is:30
Total area is:300
https://ideone.com/oMFaGo
language:
C++ (gcc 8.3)
created:
2 years ago
visibility:
public

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