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Apr 28, 2017 at 14:09 vote accept Manfred Weis
Apr 21, 2017 at 21:14 comment added Max Alekseyev "last element" refers to the last element of $L$
Apr 21, 2017 at 19:26 comment added Manfred Weis does "last element" denote the element to the left of $p_i$ or the element at the end of the list?
Apr 21, 2017 at 18:37 history answered Max Alekseyev CC BY-SA 3.0