Pointers and Arrays in C++

Sorting arrays using pointers.
If this program make any errors please let me know,i will try to help you out.

#include<iostream>
#include<conio.h>

using namespace std;

main()

{
int arraysize=5;
int a[arraysize],i,j,temp;
int *ptr,*ptr1;
cout<<"enter values in array:"<<endl;
for(i=0;i<arraysize;i++)
{
                cin>>a[i];
                }
ptr=&a[0];
ptr1=&a[1];
for(i=0;i<arraysize;i++)
for(j=0;j<arraysize;j++)
{
if(*ptr>*ptr1)
{
          
temp=*ptr;
*ptr=*ptr1;
*ptr1=temp;

}
ptr++;
ptr1++;
}
cout<<"********Sorted array is***********"<<endl;
for(i=0;i<arraysize;i++)
cout<<*ptr++<<"\t";






      getch();
      return 0;
      }