我收到一条错误消息,指出表达式必须具有 (pointer-to-) 函数类型。我究竟做错了什么?我刚开始编码,我知道我很烂,哈哈。我不明白如何获得工作距离的公式。
#include <cmath> //headerfile
#include <iomanip>
#include <iostream>
enter code here
using namespace std;
int main()
{
double d;
double t;
double g;
char choice ='y';
//output numbers to console
while (choice == 'y' || choice =='Y')
{
cout<<"Please input a value for the time"<< endl<<endl;
cin>>t;
g = 32;
d = (g)(t*t);
if (t<0)
cout<<"You cannot have a negative time"<<endl<<endl;
else
cout<<setw(8)<<fixed<<setprecision(2)<<"\n""The distance the ball has fallen is "<<d<<" feet"<<endl<<endl;
cout<<"Would you like to run this again? y for yes, any other key for no."<< endl<<endl;
cin>>choice;
cout<<endl;
}
system ("Pause");
return 0;
}