2019年1月29日
38. Count and Say
摘要： The count-and-say sequence is the sequence of integers with the first five terms as following: 1 is read off as "one 1" or 11.11 is read off as "two 1 阅读全文
posted @ 2019-01-29 23:32 Schwifty 阅读(118) 评论(0) 推荐(0)
36. Valid Sudoku 终极之牛逼方法
摘要： Determine if a 9x9 Sudoku board is valid. Only the filled cells need to be validated according to the following rules: Each row must contain the digit 阅读全文
posted @ 2019-01-29 05:41 Schwifty 阅读(141) 评论(0) 推荐(0)
34. Find First and Last Position of Element in Sorted Array
摘要： Given an array of integers nums sorted in ascending order, find the starting and ending position of a given target value. Your algorithm's runtime com 阅读全文
posted @ 2019-01-29 02:43 Schwifty 阅读(150) 评论(0) 推荐(0)