print unique elements array in c++ | cpp programming video tutorial

This video show how we can get unique numbers out of an array and print these numbers on screen.
Complete compiled Source code is available at:
To get distinct number out of array we uses loop and compare each number with the successors. So that the next occurrence of the number is captured and consider as duplicate.

[muneerah]

hello thank you so much!!

but can you explain more the if(i==j) part like why ?
and what the value that it is stored in j here?