* 时间复杂度：O(n)，空间复杂度：O(1)
Display: Making snake look nice in the terminal，详情可参考Line官方版本下载
Цены на нефть взлетели до максимума за полгода17:55，这一点在WPS下载最新地址中也有详细论述
page_return(p,PAGESZ);
Author(s): Dahua Ren, Qingwei Wang, Zhangyang Zhou, Xinguo Yan, Chunyan Zhang, Teng Zhang, Liushun Wang, Qiang Li, Xingyi Tan, Jinqiao Yi