摘要: Consider a positive integer N written in standard notation with k+1 digits a​i​​ as a​k​​⋯a​1​​a​0​​ with 0 for all i and a​k​​>0. Then N is palindrom 阅读全文
posted @ 2020-04-18 22:44 Veritas_des_Liberty 阅读(219) 评论(0) 推荐(0) 编辑
摘要: For a student taking the online course "Data Structures" on China University MOOC (http://www.icourse163.org/), to be qualified for a certificate, he/ 阅读全文
posted @ 2020-04-18 21:50 Veritas_des_Liberty 阅读(178) 评论(0) 推荐(0) 编辑