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  1. #include <vector> 
  2. #include <iostream>
  3. #include <cassert>
  4.  
  5. template<size_t ROWS, size_t COLS>
  6. size_t convertIndex(size_t row, size_t col)
  7. {
  8. 	assert(row < ROWS && col < COLS);
  9. 	return row * COLS + col;
  10. }
  11.  
  12. int main() 
  13. {
  14. 	std::vector<int> v =
  15. 	{
  16. 		0,1,2,3,4,
  17. 		5,6,7,8,9
  18. 	};
  19.  
  20. 	std::cout << v[convertIndex<2, 5>(1, 3)];
  21. }
Success #stdin #stdout 0s 4408KB
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8
https://ideone.com/YlbTdU
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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