717.cpp

C++实训教程

//717.CPP  demo  iostream
#include <iostream.h>

main(void)
{
	float a=100100.0, b=0.08;
	cout.setf(ios::right|ios::scientific|ios::showpoint);
	cout.width(20);   cout <<(-a*b);
     cout.width(20);cout<<(a/b)<<endl;
	cout.fill('$');  cout.precision(4);
	cout.width(20);   cout <<(-a*b);
     cout.width(20);cout<<(a/b)<<endl;
	return 0;
}
/*程序运行的结果：
       -8.008000e+03        1.251250e+06
$$$$$$$$$-8.0080e+03$$$$$$$$$$1.2512e+06
*/