2014 年 10月 22 日随笔档案 - higerzhang

2014年10月22日

摘要： Given a string containing just the characters'('and')', find the length of the longest valid (well-formed) parentheses substring.For"(()", the longest... 阅读全文

posted @ 2014-10-22 23:11 higerzhang 阅读(250) 评论(0) 推荐(0)

leetcode第30题--Next Permutation

摘要： problem：Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers.If such arrangement is not... 阅读全文

posted @ 2014-10-22 00:28 higerzhang 阅读(191) 评论(0) 推荐(0)