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  1. #include <iostream>
  2. #include <type_traits>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	const int N = 5;
  7. 	int A[N][5];
  8.  
  9. 	int i = 1, j = 1;
  10.  
  11. 	auto a = &A[i][j];
  12. 	auto b = A+i*N+j;
  13.  
  14. 	if (!std::is_same<decltype(a), decltype(b)>::value)
  15. 	{
  16. 		std::cout << "The pointers are not of the same type.\n";
  17. 	}
  18.  
  19. 	if (static_cast<void*>(a) != static_cast<void*>(b))
  20. 	{
  21. 		std::cout << "The pointers do not have the same value.\n";
  22. 	}
  23. }
  24.  
Success #stdin #stdout 0s 3340KB
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Standard input is empty
stdout
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The pointers are not of the same type.
The pointers do not have the same value.
https://ideone.com/72oWzE
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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