10-3-1.cpp

学习c++的ppt

#include <iostream.h>
template <class  T> //10-3-1.CPP
class  array {
         T  *data;  int n;
    public:
         array(T  *dt, int i) {
             data = dt; n = i;
         }
         void sort();   
         int  find(T a);
         T  sum() {
             T  s = 0;
             for(int i=0; i < n; i ++)
                 s += data[i];
             return s;
         }
};
/*
template <class T>
T array<T>::sum()
{   T  s = 0;
     for(int i=0; i<n; i++)   
         s += data[i];
     return s;
} 
*/
void main()
{  int  ndt[] = {7, 8, 1, 4, 6};
   float  fdt[] = {1.2, 6.7, 2.5, 9.8};
   array <int> nn(ndt, 5);
   array <float> ff(fdt, 4);
   cout << nn.sum() << endl;
   cout << ff.sum() << endl;
}