12.11.cpp

这是C++的一部分练习程序!对初学者有一定的帮助作用。

#include <iostream.h>
void main()
{
	cout<<"12345678901234567890"<<endl;
	int i=12345;
	cout<<i<<endl;
	cout.width(10);
	cout<<i<<endl;
	cout.width(10);
	cout.fill('*');
	cout.setf(ios::left,ios::adjustfield);
	cout<<i<<endl;
	cout.setf(ios::right,ios::adjustfield);
	cout.precision(6);
	double d=123.456789;
	cout<<d<<endl;
	cout.setf(ios::scientific,ios::floatfield);
	cout<<d<<endl;
	cout<<"width: "<<cout.width()<<endl;
}