14. Longest Common Prefix （截取字符串）
摘要：
Write a function to find the longest common prefix string amongst an array of strings. 阅读全文
posted @ 2016-04-13 19:22 joannae 阅读(198) 评论(0) 推荐(0) 编辑
13. Roman to Integer
摘要：
Given a roman numeral, convert it to an integer. Input is guaranteed to be within the range from 1 to 3999. 阅读全文
posted @ 2016-04-13 18:54 joannae 阅读(154) 评论(0) 推荐(0) 编辑
