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  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4.  
  5. int main() 
  6. {
  7.  
  8. 	vector<vector<float>> yy
  9. 	{
  10. 		{20.0, 20.0},
  11. 		{80.0, 80.0},
  12. 		{20.0, 80.0},
  13. 		{80.0, 20.0}
  14. 	};
  15.  
  16. 	for (int i=0; i<yy.size(); i++)
  17. 	{
  18. 		for (int j=0; j<yy[i].size(); j++)
  19. 		{
  20. 			cout << yy[i][j] << " ";
  21. 		}
  22. 		cout << endl;
  23. 	}
  24.  
  25. 	return 0;
  26. }
Success #stdin #stdout 0s 3476KB
comments (?)
stdin 
Standard input is empty
stdout 
20 20 
80 80 
20 80 
80 20
https://ideone.com/GJQ5IU
2d-vector initialization when declaration
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
secret

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