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  1. #include <iostream>
  2. #include <vector>
  3. #include <array>
  4.  
  5. int main() {
  6.     using namespace std;
  7.     using ad = array<double, 2>;
  8.  
  9.  	double a[][2] = { {1,2}, {3,4} }; 
  10.  	constexpr int length = (sizeof(a)/sizeof(ad));
  11.  
  12.  	// やっちゃだめだゾ！
  13.     vector<ad> v((ad*)a,(ad*)(a+length));
  14.  
  15.     for( auto d: v )
  16.         cout << "(" << d[0] << "," << d[1] << "), ";
  17.  
  18.     cout << endl;
  19.  
  20.     return 0;
  21. }
Success #stdin #stdout 0s 3412KB
comments (?)
stdin 
Standard input is empty
stdout 
(1,2), (3,4),
https://ideone.com/hWx03e
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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