插入排序递归算法

#include
#include
#include
template 
void insert_sort_rec(T A[],int n){
     int k;
     T a;
     n=n-1;
     if(n>0){
        insert_sort_rec(A,n);
        a=A[n];
        k=n-1;
        while(k>=0&&A[k]>a){
              A[k+1]=A[k];
              k-=1;              
                            }
       A[k+1]=a;     
             } 
     }
using namespace std;
int main(){
    int a[]={1,4,2,3,1,7,3,8,4,1,0};
    insert_sort_rec(a,sizeof(a)/sizeof(int));
    copy(a,a+sizeof(a)/sizeof(int),ostream_iterator(cout,"\t"));
    system("pause");
    }