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  1. #include <iostream>
  2. #include <cstdlib>
  3. using namespace std;
  4.  
  5.  
  6. class Array
  7. {
  8. public:
  9. //ctor dtor and operator overloading
  10.     Array(int);
  11.     Array(int *, int);
  12.     ~Array();
  13.     int& operator[](int i);
  14. //here memebers are defined
  15.     int *arr;
  16.     int size;
  17. };
  18.  
  19. Array::Array(int g = 1) :size(g) //diplomatic value for size =1
  20. {
  21.     arr = new int[size];
  22. }
  23. Array::Array(int *p, int m_size=1) :arr(p), size(m_size)
  24. {} 
  25.  
  26. Array::~Array()
  27. {
  28.     delete[] arr;
  29. }
  30.  
  31. int& Array::operator[] (int i){
  32.     return arr[i];
  33. }
  34.  
  35. int main() {
  36.     Array arr(6);
  37.     arr[3] = 6; //code crashes here
  38.     printf("%d\n", arr[0]);
  39.     printf("%d\n", arr[3]);
  40.     return 0;
  41.  
  42. }
Success #stdin #stdout 0s 3468KB
comments (?)
stdin 
Standard input is empty
stdout 
0
6
https://ideone.com/ifMklO
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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