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  1. // main.cpp:
  2.  
  3. #include <iostream>
  4. #include <functional>
  5.  
  6. int exercise1();
  7. int exercise2();
  8. int exercise3();
  9.  
  10. int prompt_user_for_exercise() {
  11.     // TODO
  12.     return 1;
  13. }
  14.  
  15. int main() {
  16.     std::function<int()> exercises[] {
  17.         exercise1,
  18.         exercise2,
  19.         exercise3 };
  20.  
  21.     int choice = prompt_user_for_exercise();
  22.     // probably wise to check that choice is in bounds
  23.  
  24.     std::cout << "running exercise " <<  choice << "...\n";
  25.     int result = exercises[choice](); // run exercise
  26.     std::cout << "result = " << result;
  27.  
  28.     return result;
  29. }
  30.  
  31. // exercise1.cpp:
  32.  
  33. int exercise1() {
  34.     // do the stuff
  35.  
  36.     return 0; // success, or 1 for failure
  37. }
  38.  
  39. // exercise2.cpp:
  40.  
  41. int exercise2() {
  42.     // do the stuff
  43.  
  44.     return 0; // success, or 1 for failure
  45. }
  46.  
  47. // exercise3.cpp:
  48.  
  49. int exercise3() {
  50.     // do the stuff
  51.  
  52.     return 0; // success, or 1 for failure
  53. }
Success #stdin #stdout 0s 15240KB
comments (?)
stdin 
Standard input is empty
stdout 
running exercise 1...
result = 0
https://ideone.com/A2BDIL
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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