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  1. // Sam Partovi                      CS1A                      Ch. 9, P. 539, #10
  2. //
  3. /*******************************************************************************
  4. * CREATE REVERSED ARRAY
  5. * ____________________________________________________________
  6. * This program accepts an integer array and its size, creates a new array 
  7. * that contains all contents in reverse order, and copies the contents of the 
  8. * original array into the new array.
  9. * ____________________________________________________________
  10. * INPUT
  11. * origArray: The original integer array
  12. * arraySize: The size of the array
  13. * OUTPUT
  14. * newArray: Pointer to the new array with reversed elements
  15. *******************************************************************************/
  16. #include <iostream>
  17. using namespace std;
  18.  
  19. //Function prototype
  20. int* createReversedArray(const int origArray[], int arraySize);
  21.  
  22. int main() {
  23.     const int arraySize = 5;               //INPUT - Size of the array
  24.     int origArray[arraySize] = {1, 2, 3, 4, 5};        //INPUT - Original array
  25.  
  26.    //Create and initialize a new reversed array
  27.     int* newArray = createReversedArray(origArray, arraySize);
  28.  
  29.    //Display the contents of the new array
  30.     cout << "Reversed array: ";
  31.     for (int i = 0; i < arraySize; i++) {
  32.         cout << newArray[i] << " ";
  33.     }
  34.     cout << endl;
  35.  
  36.    //Free allocated memory
  37.     delete[] newArray;
  38.  
  39.     return 0;
  40. }
  41.  
  42. // *****************************************************************************
  43. // Function definition for createReversedArray:                                *
  44. // This function creates a new array that contains the elements of the         *
  45. // original array in reverse order.                                            *
  46. // *****************************************************************************
  47. int* createReversedArray(const int origArray[], int arraySize) {
  48.    //Dynamically allocate memory for the new array
  49.     int* newArray = new int[arraySize];
  50.  
  51.    //Copy elements from the original array in reverse order
  52.     for (int i = 0; i < arraySize; i++) {
  53.         newArray[i] = origArray[arraySize - 1 - i];
  54.     }
  55.  
  56.     return newArray;
  57. }
  58.  
Success #stdin #stdout 0.01s 5276KB
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Standard input is empty
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Reversed array: 5 4 3 2 1
https://ideone.com/HSuJlz
chapter 9 (#10)
language:
C++ (gcc 8.3)
created:
5 days ago
visibility:
public

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