C++ How To Program Plus Mylab Programming With Pearson Etext -- Access Card Package (10th Edition)
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Chapter 7, Problem 7.17E

( What Does This Code Do?) What does the following program do?

  1. // Ex. 7.17: Ex07_17.cpp
  2. // What does this program do?
  3. #include <iostream>
  4. #include <array>
  5. Using namespace std:
  6. Const size_t arraySize {10}:
  7. Inst whatIsThis (const array &, size_t); // prototype
  8. Int main ( ) {
  9. Array a{1,2,3,4,5,6,7,8,9,10};
  10. Int result {whatIsThis (a, array Size) };
  11. Cout << “Result is “ << result << end ] ;
  12. }
  13. // What does this function do ?
  14. Int whatIsThis (const array <int, arraySize>& b, size_t size ) {
  15. If (size==1) { // base case
  16. Return b[0];
  17. }
  18. Else { // recursive step
  19. Return b[size-1] + whatIs This(b, size-1);
  20. }
  21. }

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C++ How To Program Plus Mylab Programming With Pearson Etext -- Access Card Package (10th Edition)

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