一道简单的c 问题
程序代码：main()
{
float a,b;
printf("Enter a dollor amount: \n);
scanf("%.2f",&a);
b = a*(1.0+0.005);
printf ("With a tax added : %.2f\n",b);
}题目是要求用户输入一个美金数量，然后显示出加了5%税率的相应金额，格式如下：Enter a dollor amount: 100.00
With a tax added : 105.00
