实用的程序员编程工具

				#include 
				
				void main(void)
				 {
				   cout.precision(4);
				   cout.width(10);
				   cout 				   cout.width(10);
				   cout.fill('-');
				   cout 				   cout.width(10);
				   cout 				   cout.width(10);
				   cout.setf(ios::left);
				   cout 				 }