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  1. #include <iostream>
  2. #include <array>
  3.  
  4. template <std::uint8_t N>
  5. constexpr std::array<std::uint16_t, N> mersenne_numbers()
  6. {
  7.     std::array<std::uint16_t, N> res{};
  8.     for (uint i = 0; i != N; ++i)
  9.     {
  10.         res [i] = (1u << i) - 1;
  11.     }
  12.     return res;
  13. }
  14.  
  15. int main()
  16. {
  17.     const auto ns = mersenne_numbers<5>();
  18.     for (auto e : ns) {
  19.         std::cout << e << " ";
  20.     }
  21.     std::cout << std::endl;
  22. }
  23.  
Success #stdin #stdout 0s 3412KB
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https://ideone.com/XxU3Ag
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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