数据结构0类模板的使用

类模板的使用

#include <iostream>
#include <conio.h>
#include <string>
#define N 3
using namespace std;

template <class numtype>
class Swap{
    public :
    Swap(numtype a,numtype b){x=a;y=b;}

    numtype ___(){
         temp=x;
         x=y;
         y=temp;
         
         return x;
    }
   
    //test
    numtype ____(){
        return x;
    }
    //test
    private :
    numtype x,y;
    numtype temp;
};

template <class numtypeeee>
class Seh_arr{
    public:
        Seh_arr(numtypeeee a[N]){
            for(int i = 0; i < N; ++i){
                *(x+i)=*(a+i);
            }
        }
        numtypeeee seh(){
            cout << "input the Number of the element you want:";
            cin >> T;
            return x[T-1];
        }
    private:
        numtypeeee x[N];
        int T;
        
};

int main(void){
    
    
    Swap<int > wap1(3,7);
    cout<<wap1.___( )<<" "<<wap1.____( )<<"--change int."<<endl;
   
    Swap<double > wap2(45.78,93.6);
    cout<<wap2.___( )<<" "<<wap2.____( )<<"--change float."<<endl;
   
    Swap<char> wap3('a','A'); 
    cout<<wap3.___( )<<" "<<wap3.____( )<<"--change char."<<endl;
    
    Swap<string> wap4("nice", "good");
    cout<<wap4.___( )<<" "<<wap4.____( )<<"--change char."<<endl;
    
    int a[N]={1,2,3};
    Seh_arr<int>_testInt(a);
    cout << _testInt.seh() << "--search int."<< endl;
    
    float b[N]={1.1, 2.2, 3.3};
    Seh_arr<float>_testFlo(b);
    cout << _testFlo.seh() << "--search float." << endl;
    
    char c[N]={'a', 'b', 'c'};
    Seh_arr<char>_testCha(c);
    cout << _testCha.seh() << "--search char." << endl;
    
    string d[N]={"my", "name", "is"};
    Seh_arr<string>_testStr(d);
    cout << _testStr.seh() << "--search string." << endl;
    
    getch();
   return 0;
}