One over two squared minus one over n squared 3 4 5 where n takes values three, four, five, six.
除以,2,的平方再减去1除以n的平方,将n赋值为。
And so when we get to n equals three that would be m shell by the spectroscopists' notation.
当n等于3的时候,根据光谱学家的标记法,那就是第m层。
And we said that was log rhythmic, took log n time where n is the size of the list.
当列表的长度为n的时候,整个算法耗时log,n的时间。
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