2015年4月20日

leetcode problem 32 -- Longest Valid Parentheses
摘要： Longest Valid ParenthesesGiven a string containing just the characters'('and')', find the length of the longest valid (well-formed) parentheses substr... 阅读全文
posted @ 2015-04-20 17:35 lysuns 阅读(162) 评论(0) 推荐(0)
leetcode problem 31 -- Next Permutation
摘要： Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers.If such arrangement is not possibl... 阅读全文
posted @ 2015-04-20 16:54 lysuns 阅读(204) 评论(0) 推荐(0)

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