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Populating Next Right Pointers in Each Node II
Follow up for problem "Populating Next Right Pointers in Each Node". What if the given tree could be any binary tree? Would your previous solution still work? Note: You may only use constant extr...
分类:其他好文   时间:2014-10-06 00:41:19    阅读次数:271
leetcode - Populating Next Right Pointers in Each Node II
Follow up for problem "Populating Next Right Pointers in Each Node". What if the given tree could be any binary tree? Would your previous solution still work? Note: You may only use constant ...
分类:其他好文   时间:2014-10-02 14:18:33    阅读次数:267
C++ 11标准STL中Traits的is_pointer的实现
在看STL的源码,发现is_pointer的模板调用,写了一个测试代码如下: #include #include using namespace::std; namespace iotek{ template struct integral_constant { static constexpr _Tp value = _...
分类:编程语言   时间:2014-09-30 17:38:29    阅读次数:523
Java存储区详解
Java中把存储区分为6类。分别为寄存器(register)、栈(stack)、堆(heap)、静态存储区(static storage)、常量存储区(constant storage)以及非随机存取存储区(Non-RAM)。1. 寄存器(register).寄存器与其他的存储区不同,它位于CPU中...
分类:编程语言   时间:2014-09-30 14:52:19    阅读次数:175
【Leetcode】Sort List JAVA实现
Sort a linked list inO(nlogn) time using constant space complexity.1、分析该题主要考查了链接上的合并排序算法。2、正确代码实现package com.edu.leetcode;import com.edu.leetcode.List...
分类:编程语言   时间:2014-09-29 03:09:07    阅读次数:315
[LeetCode]Swap Nodes in Pairs 成对交换
Given a linked list, swap every two adjacent nodes and return its head. For example, Given 1->2->3->4, you should return the list as 2->1->4->3. Your algorithm should use only constant space. Y...
分类:其他好文   时间:2014-09-29 01:40:57    阅读次数:297
leetcode - Swap Nodes in Pairs
Given a linked list, swap every two adjacent nodes and return its head. For example, Given 1->2->3->4, you should return the list as 2->1->4->3. Your algorithm should use only constant space. Y...
分类:其他好文   时间:2014-09-28 14:33:56    阅读次数:178
Sort List
题目描述:Sort a linked list inO(nlogn) time using constant space complexity.解题方案:题目要求的时间复杂度是O(nlogn),常数级空间复杂度。所以这里用了归并排序,归并排序在数组上操作比较方便,但是这里要排序的是链表。我们用到两个...
分类:其他好文   时间:2014-09-27 18:56:10    阅读次数:231
C++图像辅助工具包Eigen入门代码学习(很好的配合Opencv)
#include #include using namespace Eigen; using namespace std; int main() { MatrixXd m = MatrixXd::Random(3,3); MatrixXd n; n=MatrixXd::Constant(3,3,1.2); //这是一个3*3的矩阵,里面的值全部是1。2 cou...
分类:编程语言   时间:2014-09-26 20:56:48    阅读次数:318
UVA 6662 The Last Ant(模拟退火)
A straight tunnel without branches is crowded with busy ants coming and going. Some ants walk left to right and others right to left. All ants walk at a constant speed of 1 cm/s. When two ants meet, ...
分类:其他好文   时间:2014-09-26 02:19:18    阅读次数:188
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