So the running time of the problem where the input is T of size N as expressed here formulaically, T of N, the running time of an algorithm, given an input of size N. You know what?
因此一个输入为N的问题的运行时间,在这儿的公式表示为,如果输入为N,那么此算法的运行时间,是多少呢?
So given some input of N elements, first, if N is less than 2, I return immediately.
给出N个元素的一些输入,首先,如果N小于,就立即返回。
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