2016年11月21日
Decode Ways
摘要： Decode Ways A message containing letters from A-Z is being encoded to numbers using the following mapping: Given an encoded message containing digits, 阅读全文
posted @ 2016-11-21 21:02 WillWu 阅读(179) 评论(0) 推荐(0)
Edit Distance
摘要： Edit Distance Given two words word1 and word2, find the minimum number of steps required to convert word1 to word2. (each operation is counted as 1 st 阅读全文
posted @ 2016-11-21 20:30 WillWu 阅读(109) 评论(0) 推荐(0)