So notice a difference in these structures, is this has an n h bond whereas this has an o h bond.
注意它们之间的有一点不同,那就是一个有氮氢键,而另一个有氧氢键。
Down here, I've just got two things to merge, and then I've got things of size two to merge and then things of size four to merge. But notice a trade off. I have n operations if you like down there of size one.
但是n的大小是不同的,是吗?在这里我们只要合并两个元素,然后是合并长度为2的列表,接下来是合并长度为4的列表,但是观察一下之间的权衡关系。
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