请教各位，该程序哪里出错，总是运行不通过，谢谢

#include <iostream>
using namespace std;
#define MAX 100                                          //数组最大长度
template <class T> class Find
{private:
    T A[MAX];
    int n;                                             //数组长度
public:
        
    setdata(T A[],int i);                               //为数组元素赋值
    int seek(T c);                                       //c为待查找元素
    void disp();                                       //显示数组元素值
};
template<class T>
void Find<T>::setdata(T A[], int i)
{
    int i,j;
    T temp;
    cout<<"请输入数组中元素："<<n<<endl;
    
    for(i=0;i<n;i++)
    {
        cin>>A[i];
        cout<<"\t";
    }
    cout<<"数组元素排序后输出："<<endl;

    for(i=1;i<n-1;i++)
        for(i=0;i<n-i;j++)
            if(A[i]<A[i+1])
            {
                temp=A[j+1];
                A[j+1]=A[j];
                A[j]=temp;
            }

}
template <class T>
int Find<T>::seek(T c)
{
    int low=0;
    int high=n-1;
    int mid;
    while(low<high)
    {
        mid=(low+high)/2;
        if(c==A[mid])    return mid;
        else if (A[mid]>c)  low=mid+1;
        else high=mid-1;
    }
    return (-1);
}
template <class T>
void Find<T>::disp()
{

}
    
void main()
{
//    int n;
    Find<int> array;
    int A[MAX];
    cout<<"输入元素的个数(int)：";
//    cin>>n;
    array.setdata(A,2);
    array.seek(3);

}