2017年2月24日
118. 杨辉三角 Pascal's Triangle
摘要： Given numRows, generate the first numRows of Pascal's triangle.For example, given numRows = 5,Return[ [1], [1,1], [1,2,1], [1,3,3,1], [1,4,6,4,1] ] 题意：构造杨辉三角static public List> Generate... 阅读全文
posted @ 2017-02-24 23:38 xiejunzhao 阅读(201) 评论(0) 推荐(0)
434. 求字符串有多少段 Number of Segments in a String
摘要： Count the number of segments in a string, where a segment is defined to be a contiguous sequence of non-space characters.Please note that the string does not contain any non-printable characters.Examp... 阅读全文
posted @ 2017-02-24 23:37 xiejunzhao 阅读(96) 评论(0) 推荐(0)