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when toggle format what by license comment
Nov 25, 2016 at 11:04 comment added hqt I don't understand this point. why change k -> change k+1 -> change k+2 ... so it will go unlimited or at least go the tail of list. why textbook said go to the head of the list. thanks
Oct 18, 2016 at 23:03 history answered nbz CC BY-SA 3.0