2021-02-15: given an integer array arr, A representative numerical different CARDS arranged in A line of player A and player B take each in turn CARDS, provisions players A take, player B later), but each player every time can only take the left or the right CARDS, player A and player B is brilliant, please return to the last score the winner, # # f greatly architects A daily topic

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Didn't understand what you mean, subject?
Brand value is having sequenced or random? Player can draw when see the values (can see is zhi dou, cannot see is the random)