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  1. #include <iostream>
  2. #include <iomanip>
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7. 	double x = 0.1 + 0.2;
  8.  
  9. 	cout<<fixed<<setprecision(17)<<x<<endl;
  10.  
  11. 	return 0;
  12. }
Success #stdin #stdout 0s 4388KB
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stdin
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Standard input is empty
stdout
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0.30000000000000004
https://ideone.com/IDgoMp
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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