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【LeetCode】Add Two Numbers
You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return it as a link...
分类:其他好文   时间:2014-05-23 07:43:23    阅读次数:246
C和C++中泛型编程 - 适应不同类型参数的函数
首先一个简单的问题,如何实现交换两个整数的值? 想必每个有编程经验的人都能作答。 C语言用指针实现如下: void swap(int * a, int * b){ int tmp = *a; *a = *b; *b = tmp; } C++可以使用引用实现如下: void swap(int & a, int & b){ int tmp = a; a ...
分类:编程语言   时间:2014-05-22 13:45:35    阅读次数:286
leetcode:Reorder List
问题 Given a singly linked list L: L0→L1→…→Ln-1→Ln, reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→… You must do this in-place without altering the nodes' values. For example, Given {1,2,3,4}, reorde...
分类:其他好文   时间:2014-05-22 07:04:46    阅读次数:298
【Leetcode】Partition List
Given a linked list and a valuex, partition it such that all nodes less thanxcome before nodes greater than or equal tox.You should preserve the origi...
分类:其他好文   时间:2014-05-22 03:53:29    阅读次数:313
35.两链表的第一个公共结点
Find common nodes of 2 linked list.
分类:其他好文   时间:2014-05-22 00:10:17    阅读次数:241
php执行效率相关的语句
一:字符替换:strtr > str_replace > preg_replace注意:1:一般用strtr函数的这种形式:string strtr ( string $str , array $replace_pairs )2:如果 replace_pairs 中包含一个空 字符串 (...
分类:Web程序   时间:2014-05-21 23:40:35    阅读次数:357
Is It A Tree?------HDOJ杭电1325(两种方法,可以用也可以不用并查集!!!!!!详解)
Problem Description A tree is a well-known data structure that is either empty (null, void, nothing) or is a set of one or more nodes connected by directed edges between nodes satisfying the follow...
分类:其他好文   时间:2014-05-21 10:55:57    阅读次数:325
1.安装oracle软件及创建数据库
一.硬件资源内存:1G以上SWAP空间:至少1.5G,要求为内存的2倍temp空间:400Mlinux的临时空间是/tmpwindows的临时空间如下:c:\>echo%homedrive%%homepath%\localsettings\temp硬盘空间:linux/unix需要1.3~3.5Gwindows需要1~1.5G二、OFA最佳灵活体系结构(目录命名)1、linu..
分类:数据库   时间:2014-05-20 18:45:21    阅读次数:488
蓄水池问题
for i in [n+1 N] M=rand(1,i) if(M<=n) swap the ith and Mth data证明方法:1.初始情况,当尚未选择时,出现在pool中的n个元素的概率相同都是1,证明当第n+1葛元素以n/(n+1)的概率被选中时,前n个元素在pool中的概率为...
分类:其他好文   时间:2014-05-20 09:43:42    阅读次数:294
Leetcode:Merge Two Sorted Lists
戳我去解题Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists.分析:直...
分类:其他好文   时间:2014-05-20 08:52:09    阅读次数:277
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