2015年1月14日
Spiral Matrix
摘要： Given a matrix ofmxnelements (mrows,ncolumns), return all elements of the matrix in spiral order.For example,Given the following matrix:[ [ 1, 2, 3 ],... 阅读全文
posted @ 2015-01-14 16:25 雄哼哼 阅读(120) 评论(0) 推荐(0)
Anagrams（hash表）
摘要： Given an array of strings, return all groups of strings that are anagrams.Note: All inputs will be in lower-case.1.概念，首先简单介绍一下Anagram（回文构词法）。Anagrams是... 阅读全文
posted @ 2015-01-14 14:56 雄哼哼 阅读(252) 评论(0) 推荐(0)
Spiral Matrix II
摘要： Given an integern, generate a square matrix filled with elements from 1 ton2in spiral order.For example,Givenn=3,You should return the following matri... 阅读全文
posted @ 2015-01-14 14:51 雄哼哼 阅读(127) 评论(0) 推荐(0)