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#include <iomanip>
#include <iostream>
int main()
{
cout.setf(ios::showbase);
cout << hex << 16 << oct << 16 << '\n';
cout.unsetf(ios::showbase);
cout << hex << 16 << oct << 16 << '\n';
cout << setprecision(5) << 1.123456789 << '\n';
cout.setf(ios::showpoint);
cout << setprecision(2) << dec << 10.0 << '\n';
cout << "|" << setw(4) << 4 << "|" << '\n';
cout.setf(ios::left);
cout << "|" << setw(4) << -4 << "|" << '\n';
cout << "|" << setw(4) << 4 << "|" << '\n';
cout.unsetf(ios::left);
cout.setf(ios::internal);
cout << "|" << setw(4) << -4 << "|" << '\n';
cout << setbase(8) << 16 << " " << 16 << '\n';
cout << dec << 5 << '\n';
return (0);
}
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