2014年10月15日
LeetCode Generate Parentheses
摘要： Givennpairs of parentheses, write a function to generate all combinations of well-formed parentheses.For example, givenn= 3, a solution set is:"((()))... 阅读全文
posted @ 2014-10-15 22:43 birdhack 阅读(150) 评论(0) 推荐(0)
LeetCode Unique Paths
摘要： A robot is located at the top-left corner of amxngrid (marked 'Start' in the diagram below).The robot can only move either down or right at any point ... 阅读全文
posted @ 2014-10-15 00:06 birdhack 阅读(126) 评论(0) 推荐(0)