题目内容

设有带头结点的循环双链表表示的线性表L=(a1，a2，……，an-1，an)。设计在时间和空间上都尽可能高效的算法，将L改造成L=(a1，a3，……，an,……a4，a2)。要求： (1)给出算法的基本设计思想。 (2)根据设计思想，采用C或C++或JAVA语言描述算法，关键之处给出注释。 (3)说明你所设计算法的时间复杂度和空间复杂度。

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银行业从业人员在引用同事已经发表并获得著作权的论文及著述时，若是在内部文稿中交流，则不必提及来源。 ( )

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对于无理取闹者，要坚持“______”的原则。

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The only solid pieces of scientific truth about which I feel totally confident is that we are profoundly ignorant about nature. Indeed, I regard this as the major discovery of the past hundred years of biology. It would have amazed the brightest minds of the 18th centu ry Enlightenment to be told by any of us how little we know and how bewildering seems the way ahead. It is this sudden confrontation with the depth and scope of ignorance that represents the most significant contribution of the 20th century science to the human intel lect. In earlier times, we either pretended to understand how things worked or ignored the problem, or simply made up stories to filI the gaps. Now that we have begun exploring in earnest, we are getting glimpses of how huge the questions are, and how far from being answered. It is not so bad being ignorant if you are totally ignorant; the hard thing is knowing in some detail the reality of ignorance, the worst spots and here and there the not-so-bad spots.