2014年2月1日
leetcode--Letter Combinations of a Phone Number
摘要： Given a digit string, return all possible letter combinations that the number could represent.A mapping of digit to letters (just like on the telephone buttons) is given below.Input:Digit string "23"Output: ["ad", "ae", "af", "bd", "be", &q 阅读全文
posted @ 2014-02-01 06:08 Averill Zheng 阅读(229) 评论(0) 推荐(0)
leetcode--Interleaving String
摘要： Givens1,s2,s3, find whethers3is formed by the interleaving ofs1ands2.For example,Given:s1="aabcc",s2="dbbca",Whens3="aadbbcbcac", return true.Whens3="... 阅读全文
posted @ 2014-02-01 04:41 Averill Zheng 阅读(155) 评论(0) 推荐(0)