#include
``` cout<<setiosflags(ios::fixed) << setprecision(2 )
<< C1 <<endl << Sa <<endl << Sb << Va <<endl
<< Vb <<endl ;
#include
``` cout<<setiosflags(ios::fixed) << setprecision(2 )
<< C1 <<endl << Sa <<endl << Sb << Va <<endl
<< Vb <<endl ;
试试看下面的程序
#include <iostream>
#include <iomanip>
int main () {
std::cout << std::hex;
std::cout << std::setiosflags (std::ios::showbase | std::ios::uppercase);
std::cout << 100 << std::endl;
return 0;
}
#include <iostream>
#include <iomanip>
using namespace std;
int main()
{
double a = 12.345;
double b = 87.888;
double c = 1.0;
cout <<setprecision(2) << setiosflags(ios::fixed) << a << "\t" << b << "\t" << c << endl;
return 0;
}
12.35 87.89 1.00