摘要: Given an array of integers, find two numbers such that they add up to a specific target number. The function twoSum should return indices of the two n 阅读全文
posted @ 2014-09-22 22:01 echo_lsh 阅读(151) 评论(0) 推荐(0)
摘要: Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters fo... 阅读全文
posted @ 2014-09-22 21:49 echo_lsh 阅读(201) 评论(0) 推荐(0)