水中的鱼: [LeetCode] LRU Cache, Solution

水中的鱼: [LeetCode] LRU Cache, Solution: Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations: get and set . get(ke...

Code Ganker: Regular Expression Matching -- LeetCode

Code Ganker: Regular Expression Matching -- LeetCode: 原题链接: http://oj.leetcode.com/problems/regular-expression-matching/ 这个题目比较常见，但是难度还是比较大的。我们先来看看brute force怎么解决。基本思路就是先看字符串s和p的从i和j开始的子串是否匹配，...