摘要: Given a sorted array of integers, find the starting and ending position of a given target value.Your algorithm's runtime complexity must be in the ord... 阅读全文
posted @ 2015-01-30 05:13 Phoebe815 阅读(143) 评论(0) 推荐(0)
摘要: A message containing letters fromA-Zis being encoded to numbers using the following mapping:'A' -> 1'B' -> 2...'Z' -> 26Given an encoded message conta... 阅读全文
posted @ 2015-01-30 02:23 Phoebe815 阅读(141) 评论(0) 推荐(0)