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  1. #include <cmath>
  2. #include <iostream>
  3.  
  4. bool is_cube(double r)
  5. {
  6.     return floor(cbrt(r)) == cbrt(r);
  7. }
  8.  
  9. bool inline is_cube_inline(double r)
  10. {
  11.     return floor(cbrt(r)) == cbrt(r);
  12. }
  13.  
  14. int main()
  15. {
  16.     double value;
  17.     std::cin >> value;
  18.     std::cout << (floor(cbrt(value)) == cbrt(value)) << std::endl;
  19.     std::cout << (is_cube(value)) << std::endl;
  20.     std::cout << (is_cube_inline(value)) << std::endl;
  21. }
Success #stdin #stdout 0s 15232KB
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https://ideone.com/QZbv6X
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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