#include<iostream>
using namespace std;

int main(int argc, char const *argv[])
{
    char c[30]="this is string";
    double d = -1231.232;
    cout.width(30);
    cout.fill('*');
    cout.setf(ios::left);
    cout<<c<<"----L1"<<endl;
    cout.width(30);
    cout.fill('-');
    cout.setf(ios::right);
    cout<<c<<"----L2"<<endl;
    cout.setf(ios::dec|ios::showbase|ios::showpoint);
    cout.width(30);
    cout<<d<<"----L3"<<"\n";
    cout.setf(ios::showpoint);
    cout.precision(10);
    cout.width(30);
    cout<<d<<"----L4"<<"\n";
    cout.width(30);
    cout.setf(ios::oct,ios::basefield);
    cout<<100<<"----L5"<<"\n";
    system("pause");
    return 0;
}