如题所述
# include <iostream.h>
template <class T>
T abs(T x)
{if (x<0)
x=-x;
return x;}
void main()
{int a;
float b;
double c;
cout<<"分别输入整数、单浮点数、双浮点数:";
cin>>a>>b>>c;
cout<<"int "<<abs(a)<<endl;
cout<<"float "<<abs(b)<<endl;
cout<<"double "<<abs(c)<<endl;
}
template <class T>
T abs(T x)
{if (x<0)
x=-x;
return x;}
void main()
{int a;
float b;
double c;
cout<<"分别输入整数、单浮点数、双浮点数:";
cin>>a>>b>>c;
cout<<"int "<<abs(a)<<endl;
cout<<"float "<<abs(b)<<endl;
cout<<"double "<<abs(c)<<endl;
}
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