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在父字符串中查找子字符串
在父字符串中查找子字符串(指针控制,也可选择标控制)#pragmaonce #include<iostream> #include<assert.h> usingnamespacestd; char*StrStr(char*source,char*dest) { assert(source&&dest); if(strlen(source)<strlen(dest)) returnNULL; char*..
分类:其他好文   时间:2016-03-26 08:16:03    阅读次数:257
[leetcode] Pow(x, n)
题目:Implement pow(x, n).分析: 题目很短,就是实现pow求幂函数,直觉告诉我,这个题目的主要要求是降低程序的时间复杂度,果不其然,提交了一份带有while循环复杂度是O(n)的代码,返回“Time Limit Exceed“的错误,初次提交代码:class Solution { public: double myPow(double x, int n) {...
分类:其他好文   时间:2016-03-23 20:07:03    阅读次数:257
Leet Code OJ 8. String to Integer (atoi) [Difficulty: Easy]
题目: 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:2016-03-22 12:32:36    阅读次数:194
.模拟实现strstr函数
模拟实现strstr函数intmain() { char*p1,*p2; chara1[]="abbbcd"; chara2[]="bcd"; p1=a1; p2=a2; while(*p1!=‘\0‘); { if(*p1!=*p2) { p1++; if(p2!=a2) p2=a2; } else { p1++; p2++; } } if(*p2==‘\0‘) printf("Exist\n"); else p..
分类:其他好文   时间:2016-03-22 06:41:40    阅读次数:222
[算法练习]String to Integer (atoi)
题目说明: 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 ...
分类:编程语言   时间:2016-03-18 20:14:18    阅读次数:169
实现基本的增删查改功能
1. 2.Note It's a common practice to implement the repository pattern in order to create an abstraction layer between your controller and the data acce
分类:其他好文   时间:2016-03-18 00:25:53    阅读次数:284
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
分类:其他好文   时间:2016-03-17 07:06:26    阅读次数:196
java7新特性之Try-with-resources (TWR)
java7新特性之Try-with-resources (TWR) This change is easy to explain, but it has proved to have hidden subtleties, which made it much less easy to implement than originally hoped. The basic idea is...
分类:编程语言   时间:2016-03-16 01:19:09    阅读次数:307
Android 四大组件之Service
恢复内容开始 1,Service的生命周期 onCreate第一次创建service的时候调用。 onStartCommand启动service的时候调用。 onStart(This method was deprecated in API level 5. Implement onStartC
分类:移动开发   时间:2016-03-15 00:21:28    阅读次数:229
69. Sqrt(x)
Implement int sqrt(int x). Compute and return the square root of x. 1. 注意:   2. Newton's Method  
分类:其他好文   时间:2016-03-13 17:28:41    阅读次数:128
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