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  1. #include <iostream>
  2. #include <vector>
  3.  
  4. int main()
  5. {
  6.    std::vector<int> v1 = {10, 20, 30, 40};
  7.    for ( auto el : v1 )
  8.    {
  9.       std::cout << el << std::endl;
  10.    }
  11.  
  12.    std::vector<std::vector<int>> v2 = {{10, 20, 30}, {40, 50, 60}};
  13.    for ( auto const& row : v2 )
  14.    {
  15.       for ( auto el : row )
  16.       {
  17.          std::cout << el << " ";
  18.       }
  19.       std::cout << std::endl;
  20.    }
  21. }
  22.  
Success #stdin #stdout 0s 15240KB
comments (?)
stdin
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Standard input is empty
stdout
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10
20
30
40
10 20 30 
40 50 60
https://ideone.com/E1v38P
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
secret

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