sorting of array using pointer in c

int main(){

   int  i,j,temp1,temp2;

   int arr[8]={5,3,0,2,12,1,33,2};

   int *ptr;

   for(i=0;i<7;i++){

     for(j=0;j<7-i;j++){

if(*(arr+j)>*(arr+j+1)){

        ptr=arr+j;

        temp1=*ptr++;

        temp2=*ptr;

        *ptr--=temp1;

        *ptr=temp2;

}

      }

   }

   for(i=0;i<8;i++)

     printf(" %d",arr[i]);

}

Output: 0 1 2 2 3 5 12 33

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