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  1. #include <iostream>
  2. #include <ctime>
  3. #include <cstdlib>
  4. #include <vector>
  5. #include <sstream>
  6.  
  7. class A
  8. {
  9.         std::vector<int> n;
  10.  
  11.     public :
  12.         A();
  13.         std::string toString() const;
  14. };
  15.  
  16. A::A()
  17. {
  18.     for (int i = 0; i < 10; i++)
  19.         n.push_back(std::rand()%10);
  20. }
  21.  
  22. std::string A::toString() const
  23. {
  24. 	std::ostringstream s;
  25.     for (auto i : n)
  26.         s << i << ' ';
  27.     s << '\n';
  28.     return s.str();
  29. }
  30.  
  31. class B
  32. {
  33.         A a;
  34.  
  35.     public :
  36.         void resetA();
  37.         A getA() const;
  38. };
  39.  
  40. void B::resetA()
  41. {
  42.     a = A();
  43. }
  44.  
  45. A B::getA() const
  46. {
  47.     return a;
  48. }
  49.  
  50. int main()
  51. {
  52.     srand(time(NULL));
  53.  
  54.     B b;
  55.     std::cout << b.getA().toString();
  56.     b.resetA();
  57.     std::cout << b.getA().toString();
  58.  
  59.  
  60.     return EXIT_SUCCESS;
  61. }
Success #stdin #stdout 0s 3432KB
comments (?)
stdin
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Standard input is empty
stdout
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5 4 5 3 3 6 2 2 5 7 
9 4 8 8 0 8 6 1 2 0
https://ideone.com/3e2nf8
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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