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Jun 28, 2014 at 13:27 comment added justhalf @DennisJaheruddin: If we have n=2m and the m-leftmost ants facing right, and m-rightmost ants facing left, the middle two ants will turn n-1 times.
Jun 27, 2014 at 8:01 comment added Dennis Jaheruddin Yet if an ant is at one end, it will just turn once and then keep walking. I would guess the maximum amount of ants to be passed may be somewhere between n/2 and 2Log(n/2).
Jun 26, 2014 at 15:38 comment added Kendall Frey If an ant is at one end, and all the other ants are coming toward it, it will have to 'pass' them all.
Jun 26, 2014 at 14:50 history answered Kendall Frey CC BY-SA 3.0