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[LeetCode]LRU Cache
Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations: get and set. get(key) - Get the value (will always be positive) of the key i...
分类:系统相关   时间:2015-02-17 09:13:46    阅读次数:191
leetcode——Regular Expression Matching
题目:Implement regular expression matching with support for '.' and '*'.'.' Matches any single character.'*' Matches zero or more of the preceding eleme...
分类:其他好文   时间:2015-02-15 16:20:39    阅读次数:157
C++ virtual table pointer - vptr
To implement virtual functions, C++ uses a special form of late binding known as the virtual table. The virtual table is a lookup table of functions used to resolve function calls in a dynamic/late bi...
分类:编程语言   时间:2015-02-13 21:13:47    阅读次数:202
HDU 2203 亲和串 (KMP或者strstr)
HDU 2203 亲和串 (KMP或者strstr)...
分类:其他好文   时间:2015-02-13 14:51:48    阅读次数:105
8.String to Integer (atoi)
Implement atoi to convert a string to an integer. Hint: Carefully consider allpossible input cases. If you want a challenge, please do not see below and askyourself what are the possible input cases....
分类:其他好文   时间:2015-02-12 22:52:32    阅读次数:197
【LeetCode从零单排】No28 Implement strStr()
题目Implement strStr().Returns the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack.代码public class Solution { public int strStr(String haystack, String ne...
分类:其他好文   时间:2015-02-12 18:35:09    阅读次数:131
LeetCode28——Implement strStr()
Implement strStr(). Returns the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack. Update (2014-11-02): The signature of the function had been updat...
分类:其他好文   时间:2015-02-11 16:43:51    阅读次数:177
POJ3450 Corporate Identity 【KMP 暴力strstr可过】
题目描述 给你n个字符串,问其最长的公共串是啥。如果长度都是最长,输出字典序小的。 Sample Input 3 aabbaabb abbababb bbbbbabb 2 xyz abc 0 Sample Output abb IDENTITY LOST 解题思路 取第一个字符串O(n^2)遍历,对其他字符串直接strstr匹配即可。 用K...
分类:其他好文   时间:2015-02-11 14:45:50    阅读次数:129
字符串模式匹配sunday算法
今天在做LeetCode的时候,碰到一个写字符串匹配的题目:https://oj.leetcode.com/problems/implement-strstr/我一看就懵了,字符串模式匹配我记得当时在上数据结构的时候,书上只写了BF和KMP算法,老师说考试“只可能会考BF”,KMP不要求掌握。然后出...
分类:编程语言   时间:2015-02-11 14:20:09    阅读次数:215
leetcode[170]Two Sum III - Data structure design
Design and implement a TwoSum class. It should support the following operations:addandfind.add- Add the number to an internal data structure.find- Fin...
分类:其他好文   时间:2015-02-10 15:17:36    阅读次数:235
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