The formula for Q(n) is tough to understand and the author is counting on your diligence, persistence, and/or background here to get you through.
的公式确实很难理解，作者也是像你一样坚持不懈的计算和推导中才做到。
The formula for Q(n) is tough to understand and the author is counting on your diligence, persistence, and/or background here to get you through.
的公式确实很难理解，作者也是像你一样坚持不懈的计算和推导中才做到。
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