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【leetcode】Implement strStr() (easy)
Implement strStr().Returns the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack.思路:注意,在for循环中条件有计算得到的负数时, ...
分类:其他好文   时间:2015-05-22 23:54:11    阅读次数:133
No.146 LRU Cache
No.146 LRU CacheDesign and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations:getandset.get(ke...
分类:系统相关   时间:2015-05-22 18:47:57    阅读次数:180
VHDL之concurrent之operators
Using operators Operators can be used to implement any combinational circuit. However, as willbecome apparent later, complex circuits are usually eas....
分类:其他好文   时间:2015-05-20 23:45:34    阅读次数:205
Leetcode29:String to Integer (atoi)
Implement atoi to convert a string to an integer. Hint: Carefully consider all possible input cases. If you want a challenge, please do not see below and ask yourself what are the possible input ca...
分类:其他好文   时间:2015-05-20 11:21:31    阅读次数:157
Determine if a string has all unique characters
Problem:高效率实现“字符串中是否有重复字符” Implement an algorithm to determine if a string has all unique characters. What if you can not use additional data structures? #include #include #include #include #include #include #incl...
分类:其他好文   时间:2015-05-19 13:14:16    阅读次数:119
(atoi)Leetcode第八题_String to Integer (atoi)
String to Integer (atoi)Implement atoi to convert a string to an integer.Hint: Carefully consider all possible input cases. If you want a challenge, please do not see below and ask yourself what are th...
分类:其他好文   时间:2015-05-18 16:52:50    阅读次数:125
Java for LeetCode 069 Sqrt(x)
Implement int sqrt(int x).Compute and return the square root of x.解题思路一: public int mySqrt(int x) { return (int)Math.sqrt(x); }神奇般的Accept...
分类:编程语言   时间:2015-05-16 20:24:52    阅读次数:170
Java [leetcode 28]Implement strStr()
题目描述: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):...
分类:编程语言   时间:2015-05-16 11:41:20    阅读次数:131
[LeetCode]Implement Trie(Prefix Tree),解题报告
目录目录 概述 Trie树基本实现 定义Trie树节点 添加操作 查询word是否在Trie树中 AC完整代码概述Trie树,又称为字典树、单词查找树或者前缀树,是一种用于快速检索的多叉数结构。例如,英文字母的字典树是26叉数,数字的字典树是10叉树。 Trie树的基本性质有三点,归纳为: 根节点不包含字符,根节点外每一个节点都只包含一个字符。 从根节点到某一节点,路径上经过的字符连接起来,为该节...
分类:其他好文   时间:2015-05-15 15:36:54    阅读次数:123
Lettcode_206_Reverse Linked List
本文是在学习中的总结,欢迎转载但请注明出处:http://blog.csdn.net/pistolove/article/details/45739753     Reverse a singly linked list. click to show more hints. Hint: A linked list can be reversed either iteratively or recursively. Could you implement both? 思...
分类:其他好文   时间:2015-05-15 09:07:25    阅读次数:122
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