2017年1月9日
Lexicographical Numbers
摘要： Given an integer n, return 1 - n in lexicographical order. For example, given 13, return: [1,10,11,12,13,2,3,4,5,6,7,8,9]. Please optimize your algori 阅读全文
posted @ 2017-01-09 11:40 北叶青藤 阅读(192) 评论(0) 推荐(0)
463. Island Perimeter
摘要： You are given a map in form of a two-dimensional integer grid where 1 represents land and 0 represents water. Grid cells are connected horizontally/ve 阅读全文
posted @ 2017-01-09 10:48 北叶青藤 阅读(177) 评论(0) 推荐(0)