输入：head = [2,1,5]
This newest XPRIZE was a natural extension of the foundation’s work, Diamandis said, and yet, while the prize is promoting technology, the films submitted for the prize must be human, not AI-driven.
Source: Computational Materials Science, Volume 267，这一点在新收录的资料中也有详细论述
println(middle); // [20, 30, 40]
，推荐阅读新收录的资料获取更多信息
Head office job losses part of plan for more separation between supermarket and Argos businesses。新收录的资料对此有专业解读
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