Right, so s of i saying, given the list, look at the i'th element, true is it the same thing?
第2个元素,看他们是不是相等呢?,如果他们相等,好,把答案设置为?
Lisp The problem with that technique, while it's very general, is how long does it take me to find the i'th element of the list?
很多编程语言包括,都是用了这种技术,这个问题就是,当数组很大的时候?
Here's the problem. How do I get to the nth- er, the k'th element in the list, in this case?
如何找到第n个元素呢-,在这里,如何找到第k个元素呢?
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