随笔分类 -  OJ-LeetCode

LeetCode Weekly Contest 70 A B C D
摘要："A. K th Symbol in Grammar" Description On the first row, we write a 0. Now in every subsequent row, we look at the previous row and replace each occu 阅读全文
posted @ 2018-02-04 13:12 救命怀 阅读(258) 评论(0) 推荐(0)