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  1. #include <iomanip>
  2. #include <iostream>
  3.  
  4. int main()
  5. {
  6.     double num1 = 3.12345678;
  7.     double num  = 3;
  8.  
  9.     std::cout << num1 << std::endl;
  10.     std::cout << std::setprecision(5) << num1 << std::endl;;
  11.  
  12.  
  13.     std::cout << std::setprecision(5) << num << std::endl;;
  14.     std::cout << num << std::endl;
  15.  
  16.     return 0;
  17. }
Success #stdin #stdout 0s 3412KB
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stdin
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Standard input is empty
stdout
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3.12346
3.1235
3
3
https://ideone.com/axzN4M
language:
C++14 (clang 8.0)
created:
8 years ago
visibility:
public

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