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  1. #include <iostream>
  2.  
  3.    long double operator"" _mm(long double x) { return x / 1000; }
  4.    long double operator"" _m(long double x)  { return x; }
  5.    long double operator"" _km(long double x) { return x * 1000; }
  6.  
  7.    int main()
  8.    {
  9.      std::cout << 1.0_mm << '\n';
  10.      std::cout << 1.0_m  << '\n';
  11.      std::cout << 1.0_km << '\n';
  12.    }
Success #stdin #stdout 0s 3096KB
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Standard input is empty
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0.001
1
1000
https://ideone.com/BAiHyg
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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