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  1. #include <iomanip>
  2.  
  3. #include <iostream>
  4.  
  5. using namespace std;
  6.  
  7. int
  8. main ()
  9. {
  10.  
  11.   double goodpi = 3.141593;
  12.  
  13.   double badpi = 3.5;
  14.  
  15.    cout << goodpi << ", ";
  16.  
  17.   cout << setprecision (3);         //LINE I
  18.  
  19.   cout << goodpi << ", ";    // LINE II
  20.  
  21.   cout << badpi << ", ";
  22.  
  23.   return 0;
  24.  
  25. }
  26.  
Success #stdin #stdout 0s 5292KB
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stdin
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Standard input is empty
stdout
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3.14159, 3.14, 3.5,
https://ideone.com/aaGTcV
language:
C++ (gcc 8.3)
created:
15 days ago
visibility:
public

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