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  1. #include <iostream>
  2. #include <iomanip>   
  3. using namespace std;
  4.  
  5. int main() {
  6.  
  7. 	float a = 1e-12;
  8. 	std::cout << "The number is : " << a + 1.0 << std::endl;
  9.  
  10. 	std::cout << std::setprecision(13)  << "The number is : " << a + 1.0 << std::endl;
  11.  
  12. 	return 0;
  13. }
Success #stdin #stdout 0s 4524KB
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stdin
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Standard input is empty
stdout
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The number is : 1
The number is : 1.000000000001
https://ideone.com/hYli0Z
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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