在长度为n(n≥1)的双链表L中,在p结点之前插入一个新结点s的时间复杂度为______。
A. O(1)
B. O(n)
C. O(n^2)
D. O(nlog2n)
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有10个学生排成一列,这些学生的信息构成的逻辑结构是一种___。
厌氧生物处理的三阶段理论是指()阶段、()阶段、()阶段。
The odyssey years are certainly a very complicated ____1_____ of life for young people. The odyssey years can ____2____ young people with enormous pressure to ____3________. During these years, not only do these young people need to ____4______ many difficulties, they also have to face many _____5_______ from their parents.But, if you stay strong, be positive, and keep focused, someday you will look back and wonder at the ______6______ as you passed through the odyssey years.