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  1. #include <iostream>
  2. #include <iomanip>
  3. #include <cmath>
  4.  
  5. using namespace std;
  6.  
  7. int main()
  8. {
  9.     double x = fabs(sqrt(2.0) - sqrt(2.0001));
  10.     cout << x << "\n"; 
  11.     cout << setprecision(10) << fixed << x << '\n';
  12. }
Success #stdin #stdout 0s 3140KB
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stdin
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Standard input is empty
stdout
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3.53549e-05
0.0000353549
https://ideone.com/B3IfDF
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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