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  1. #include <cmath>
  2. #include <limits>
  3. #include <iostream>
  4. int main()
  5. {
  6.     for(int i = 0; i < 100; ++i)
  7.     {
  8.         double root = std::sqrt(i);
  9.         if( std::abs(root - std::floor(root)) < root*std::numeric_limits<double>::epsilon() )
  10.             std::cout << i << '\n';
  11.     }
  12. }
  13.  
Success #stdin #stdout 0.01s 2724KB
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https://ideone.com/Ufhmd
language:
C++ (gcc 8.3)
created:
13 years ago
visibility:
public

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