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  1. #include <iostream>
  2. #include <iomanip>
  3.  
  4. using namespace std;
  5.  
  6.  
  7. int main(int argc, const char * argv[])
  8. {
  9.     auto old_flags = cout.flags();
  10. #define  fmt(x) cout << #x << ": " << (ios_base::x & old_flags) << endl
  11.     fmt(dec);
  12.     fmt(oct);
  13.     fmt(hex);
  14.     fmt(left);
  15.     fmt(right);
  16.     fmt(internal);
  17.     fmt(scientific);
  18.     fmt(fixed);
  19.     fmt(floatfield);
  20.     fmt(boolalpha);
  21.     fmt(showbase);
  22.     fmt(showpoint);
  23.     fmt(showpos);
  24.     fmt(skipws);
  25.     fmt(unitbuf);
  26.     fmt(uppercase);
  27. }
  28.  
Success #stdin #stdout 0s 4556KB
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stdin
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Standard input is empty
stdout
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dec: 2
oct: 0
hex: 0
left: 0
right: 0
internal: 0
scientific: 0
fixed: 0
floatfield: 0
boolalpha: 0
showbase: 0
showpoint: 0
showpos: 0
skipws: 4096
unitbuf: 0
uppercase: 0
https://ideone.com/amWkcN
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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