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  1. #include <iostream>
  2. #include <complex>
  3.  
  4. int main() {
  5. 	std::complex<double> x, j(0, 1), result(1);
  6. 	std::cin >> x;
  7. 	for(size_t i = 1; i <= 15; ++i)
  8. 		result *= std::log(std::abs(j * 2.0 - x)) / (j * x - 1.0);
  9. 	std::cout << result << std::endl;
  10. 	return 0;
  11. }
Success #stdin #stdout 0s 3464KB
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100
stdout
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(1.32767e-21,8.78493e-21)
https://ideone.com/LGde3b
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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