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  1. #include <iostream>
  2.  
  3. class st4vector
  4. {
  5.   public:
  6.     st4vector(int indim);           //standartinit
  7.     ~st4vector();                     // destructor
  8.  
  9.     int dim;
  10.     double* t;
  11.     double* x;
  12.     double* y;
  13.     double* z;
  14. };
  15.  
  16. using namespace std;
  17.  
  18. int main()
  19. {
  20. st4vector velocity(200);
  21.  
  22. cout << velocity.x[0] << endl;
  23.  
  24. return 0;
  25. }
  26.  
  27. st4vector::st4vector(int indim) {
  28.     dim=indim;
  29.  
  30.     t=new double [dim];
  31.     x=new double [dim];
  32.     y=new double [dim];
  33.     z=new double [dim];
  34.  
  35.     for(int i=0;i<dim;i++) {
  36.         t[i]=0;
  37.         x[i]=0;
  38.         y[i]=0;
  39.         z[i]=0;
  40.     }
  41. }
  42.  
  43. st4vector::~st4vector()
  44. {
  45.   if(t){
  46.     delete [] t;
  47.     delete [] x;
  48.     delete [] y;
  49.     delete [] z;
  50.  
  51.     t=0;
  52.     x=0;
  53.     y=0;
  54.     z=0;
  55.   }
  56. }
  57.  
  58.  
Success #stdin #stdout 0.01s 2856KB
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https://ideone.com/EMqHOD
language:
C++ (gcc 8.3)
created:
13 years ago
visibility:
secret

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