cout: change formats : cout scientific « Console « C++

1. C++
2. Console
3. cout scientific

cout: change formats

#include <iostream>
using namespace std;

int main()
{
  // change formats
  cout.unsetf(ios::dec);
  cout.setf(ios::hex | ios::scientific);
  cout << 123.23 << " hello " << 100 << '\n';

  cout.setf(ios::showpos);
  cout << 10 << ' ' << -10 << '\n';

  cout. setf(ios::showpoint | ios::fixed);
  cout << 100.0;

  return 0;
}

           
       

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