[Leetcode] Longest Valid Parentheses
Given a string containing just the characters '(' and ')', find the length of the longest valid (well-formed) parentheses substring. ...
原文：longest valid parentheses方法归纳
题目大意见leetcode，下面我稍微介绍下想到的三种方法： 方法一：不用栈去找匹配 建立一个数组l 表示匹配，然后i从 开始，看到 就把l 对应的数值记为 ，直到看到 ，找到 以后，从当前i开始返回去找是否有匹配，此时如读到 ，就看当前的l 的对应位置值是否为 ，如果不是就跳转到所对应的值的位置，继续往前找，直到找到第一个 ，将l 对应值置为此时 的下标，进行下一次操作。如果是 ，就把当前l ...
2015-11-17 17:21 0 1728 推荐指数：
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