C program to copy elements of one array to another array?

  #include<stdio.h>
 
main() 

{
   int arr1[30], arr2[30], i, num;
   printf("nEnter size of array elements :");
   scanf("%d", &num);
   for (i = 0; i < num; i++)
    {
        printf("nEnter the %d value:",i+1);
      scanf("%d", &arr1[i]);
   }

   for (i = 0; i < num; i++) {
      arr2[i] = arr1[i];
   }

   printf("The copied array is :");
   for (i = 0; i < num; i++)
      printf("%d  ", arr2[i]);
 getch();
}