2018年8月30日
A1139. First Contact
摘要： Unlike in nowadays, the way that boys and girls expressing their feelings of love was quite subtle in the early years. When a boy A had a crush on a g 阅读全文
posted @ 2018-08-30 15:59 ZHUQW 阅读(275) 评论(0) 推荐(0)
A1138. Postorder Traversal
摘要： Suppose that all the keys in a binary tree are distinct positive integers. Given the preorder and inorder traversal sequences, you are supposed to out 阅读全文
posted @ 2018-08-30 14:56 ZHUQW 阅读(131) 评论(0) 推荐(0)
A1137. Final Grading
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 @ 2018-08-30 14:52 ZHUQW 阅读(343) 评论(0) 推荐(0)
A1136. Delayed Palindrome
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 @ 2018-08-30 14:41 ZHUQW 阅读(172) 评论(0) 推荐(0)