#include <iostream>

#include <iomanip>

using namespace std;

​

int main() {

  // Booleans

  cout << "Booleans\n";

  cout << false << "\n";

  cout << boolalpha << false << "\n";

​

  // Hexadecimal and octal numbers

  cout << "\nHexadecimal and octal numbers\n";

  int myInt = 14;

  cout << dec << myInt << "\n";

  cout << hex << myInt << "\n";

  cout << oct << myInt << "\n";

  cout << showbase << uppercase;

  cout << hex << myInt << "\n";

  cout << oct << myInt << "\n";

  cout << dec;

​

  // Floating point numbers

  cout << "\nFloating point numbers\n";

  float myFloat = 19.99;

  cout << myFloat << "\n";

  cout << showpos << showpoint << 12345.0 << "\n";

  cout << noshowpos << noshowpoint;

  cout << fixed << myFloat << "\n";

  cout << scientific << myFloat << "\n";

​

  // Alignment

  cout << "\nAlignment\n";

  cout << setw(10) << left << "Left" << "\n";

  cout << setw(10) << right << "Right" << "\n";

  cout << setw(10) << internal << -12345 << " (Internal)\n";

  return 0;

}

​