C++动态数组类

#include<iostream>using namespace std;class CArray{    private :    int *p;    int size;    public:    CArray(int a) {size=a;p=new int[size];}    ~CArray() {delete []p;}    int& GetElem(int i){ return p[i];}    void Input();    void Print();    void Sort();    int  Search(int);};void CArray::Input(){    for(int i=0;i<size;i++){        cin>>p[i];        }    }void CArray::Print(){    for(int i = 0;i<size;i++){        cout<<p[i]<<" ";        }        cout<<endl;    }int  CArray::Search(int a){    int count = 0,flag = 0;    for(int i = 0;i<size;i++){        if(a==p[i]){            count++;            flag=i;        }        }     if(count==1)        return flag;        else            return -1;    }void  CArray::Sort(){    for(int i = size-1 ; i>0 ; i--)      for(int j = 0 ; j <i ;j++){          if(p[j]>p[j+1]){              int temp = p[j+1];              p[j+1] = p[j];              p[j] = temp;              }          }    }int main(){CArray a(5);a.Input();a.Print();cout << a.GetElem(3) << endl;cout << a.Search(6) << endl;a.Sort();a.Print();return 0;}