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- 1Do you expect someone else to do your homework?RalfFriedl– RalfFriedl2019-04-04 06:36:12 +00:00Commented Apr 4, 2019 at 6:36
- Could you say something about that thing you mentioned about sorting? Sorting the input would probably not help in solving this, but I'm confused as to why you mention it at all, mostly because it implies that you might have something other than positive integers as data. This makes me wonder what the data actually is and whether it contains whitespace characters other than between the columns.Kusalananda– Kusalananda ♦2019-04-04 11:58:08 +00:00Commented Apr 4, 2019 at 11:58
- There are only positive integrers between the two columns, I only mentioned sorting because initially I thought of using it in something in combination with uniq and then get only those that matched, but couldn't do it. You're right, it probably does not help to solve it.Erandi– Erandi2019-04-05 23:48:40 +00:00Commented Apr 5, 2019 at 23:48
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