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  1. #include <iostream>
  2. #include <iomanip>
  3.  
  4. using namespace std;
  5.  
  6. int main()
  7. {
  8.     double d = 12.3321;
  9.     cout
  10.         << setprecision(6) << d << endl
  11.         << setprecision(4) << d << endl
  12.         << setprecision(6) << d << endl;
  13.  
  14. }
  15.  
Success #stdin #stdout 0s 4388KB
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stdin
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Standard input is empty
stdout
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12.3321
12.33
12.3321
https://ideone.com/KK1qom
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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