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LeetCode208:Implement Trie (Prefix Tree)
Implement a trie with insert, search, and startsWith methods.Note: You may assume that all inputs are consist of lowercase letters a-z.Hide Tags Data Structure Trie实现一棵Trie树以及实现查询的功能,根据上一篇文章中的分析和伪代码可以...
分类:其他好文   时间:2015-07-03 17:35:14    阅读次数:111
8 String to Integer (atoi)
8 String to Integer (atoi)链接:https://leetcode.com/problems/string-to-integer-atoi/ 问题描述: Implement atoi to convert a string to an integer.Hint: Carefully consider all possible input cases. If you wa...
分类:其他好文   时间:2015-07-03 14:03:32    阅读次数:105
LeetCode224 BasicCalculator java题解
题目: Implement a basic calculator to evaluate a simple expression string. The expression string may contain open ( and closing parentheses ), the plus + or minus sign -, non-negative integers...
分类:编程语言   时间:2015-07-03 09:20:19    阅读次数:143
在一个字符串中查找另一个字符串出现的次数
#include #include int strstrcount( char *str1, char *str2 ) {   char *str = str1;   int c = 0;   while( (str = strstr( str, str2 )) != NULL )   {     c++;     str++;   }   return c...
分类:其他好文   时间:2015-07-02 19:35:39    阅读次数:133
练习题(六)
题目:Implement Stack using QueuesImplement the following operations of a stack using queues.push(x) -- Push element x onto stack.pop() -- Removes the el...
分类:其他好文   时间:2015-07-02 14:01:34    阅读次数:93
MQTT的学习研究(十五) MQTT 和android整合文章
详细参考:How to Implement Push Notifications for Androidhttp://tokudu.com/2010/how-to-implement-push-notifications-for-android/Push notifications for mobi...
分类:移动开发   时间:2015-07-02 13:59:30    阅读次数:128
Swift 实现单例模式Singleton pattern的三种方法
转自:点击打开链接From my short experience with Swift there are three approaches to implement the Singleton pattern that support lazy initialization and thread...
分类:编程语言   时间:2015-07-02 13:37:50    阅读次数:122
224 Basic Calculator
224 Basic Calculator链接:https://leetcode.com/problems/basic-calculator/ 问题描述: Implement a basic calculator to evaluate a simple expression string.The expression string may contain open ( and closin...
分类:其他好文   时间:2015-07-02 10:12:45    阅读次数:112
227 Basic Calculator II
227 Basic Calculator II链接:https://leetcode.com/problems/basic-calculator-ii/ 问题描述: Implement a basic calculator to evaluate a simple expression string.The expression string contains only non-negat...
分类:其他好文   时间:2015-07-02 10:12:13    阅读次数:250
LeetCode——Basic Calculator
Description:Implement a basic calculator to evaluate a simple expression string.The expression string may contain open ( and closing parentheses ), th...
分类:其他好文   时间:2015-07-02 00:57:30    阅读次数:125
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