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  1. #include <iostream>
  2. #include <vector>
  3.  
  4. class cls {
  5. public:
  6. 	cls()			{cls(5);}
  7. 	cls(int n)		{v.resize(n);}
  8. 	std::vector<int> v;
  9. };
  10.  
  11. int main(int argc, const char* argv[]) {
  12. 	cls x, y(5);
  13. 	std::cout << x.v.size() << std::endl;   // prints 5
  14. 	std::cout << y.v.size();                // prints 0
  15. 	return 0;
  16. }
  17.  
Success #stdin #stdout 0s 3028KB
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stdin
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Standard input is empty
stdout
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0
5
https://ideone.com/30UBzS
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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