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  1. #include <iostream>
  2. #include <vector>
  3. #include <iterator>
  4. #include <string>
  5. #include <stdlib.h>
  6. using namespace std;
  7.  
  8. class A
  9. {
  10. public:
  11. 	A()
  12. 	{
  13. 	}
  14. 	A(int i)
  15. 	{
  16. 		size = i;
  17. 		data = new int[i * sizeof(int)];
  18. 	}
  19. 	~A()
  20. 	{
  21. 		delete[] data;
  22. 	}
  23. 	int* data;
  24. 	int size;
  25. };
  26.  
  27. class B
  28. {
  29. public:
  30. 	B(int i, int j)
  31. 	{
  32. 		size = i;
  33. 		size_A = j;
  34. 		A example(j);
  35. 		data = new A[i * sizeof(example)];
  36. 		for (int i2 = 0; i2 < i; ++i2)
  37. 			data[i2] = A(example);
  38. 	}
  39. 	~B()
  40. 	{
  41. 		delete[] data;
  42. 	}
  43. 	A* bah(int b)
  44. 	{
  45. 		A* result = new A(b);
  46. 		return result;
  47. 	}
  48. 	A* data;
  49. 	int size;
  50. 	int size_A;
  51. };
  52.  
  53. class C
  54. {
  55. public:
  56. 	C()
  57. 	{
  58. 		data = vector<B*>();
  59. 	}
  60. 	~C()
  61. 	{
  62. 	}
  63. 	void foo()
  64. 	{
  65. 		for (vector<B*>::iterator it = data.begin(); it + 1 != data.end(); ++it)
  66. 		{
  67. 			//do something to it's data
  68. 			A* new_data = (*it)->bah((*(it + 1))->size);
  69. 			(*(it + 1))->data = new_data;
  70. 		}
  71. 	}
  72. 	vector<B*> data;
  73. };
  74.  
  75. int main() {
  76. 	C c;
  77. 	c.data.push_back(new B(1, 2));
  78. 	c.data.push_back(new B(2, 4));
  79. 	c.data.push_back(new B(4, 10));
  80. 	c.foo();
  81. 	return 0;
  82. }
Success #stdin #stdout 0s 3424KB
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stdout 
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https://ideone.com/g7Or4g
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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