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LeetCode: Single Number
Given an array of integers, every element appears twice except for one. Find that single one. Note: Your algorithm should have a linear runtime comple...
分类:其他好文   时间:2014-05-23 07:22:48    阅读次数:241
41.把数组排成最小的数
Sort array to min value.
分类:其他好文   时间:2014-05-21 21:03:34    阅读次数:262
STL坑汇总
1.Q:vector的push_back()方法到底做了些什么? 为什么声明写的是void push_back (const value_type& val);A:的确,乍一看,似乎push_back方法添加了一个引用。哦,天啊,如果这个引用对象被析构了,那岂不是要出错。官方文档是这样写的Adds ...
分类:其他好文   时间:2014-05-21 20:36:55    阅读次数:408
【leetcode】Remove Duplicates from Sorted Array
Given a sorted array, remove the duplicates in place such that each element appear onlyonceand return the new length.Do not allocate extra space for a...
分类:其他好文   时间:2014-05-21 20:00:51    阅读次数:296
Best Time to Buy and Sell Stock III
Say you have an array for which theithelement is the price of a given stock on dayi.Design an algorithm to find the maximum profit. You may complete a...
分类:其他好文   时间:2014-05-21 17:27:55    阅读次数:252
LeetCode: First Missing Positive [040]
【题目】 Given an unsorted integer array, find the first missing positive integer. For example, Given [1,2,0] return 3, and [3,4,-1,1] return 2. Your algorithm should run in O(n) time and uses constant space. 【题意】 给定一个数组,找出第一个缺失的正数。时间复杂度O(n) ...
分类:其他好文   时间:2014-05-21 17:13:07    阅读次数:219
Effecvtive C++笔记:让自己习惯C++
条款01:视C++为一个语言联绑 C++的四个语言层次: C:C++是以C为基础的。基本数据类型、语句、预处理器、数组、指针等统统来自C。Oject-Oriented C++:面向对象这一特性包含了:类,封装,继承,多态,虚函数等Template C++:C++的泛型编程能力。STL:一个标准的template库,里面介绍了容器、迭代器、算法以及函数对象等模板类和模板函数。 综述...
分类:编程语言   时间:2014-05-21 16:35:40    阅读次数:265
vector C++实现
vector C++实现。...
分类:编程语言   时间:2014-05-21 10:02:21    阅读次数:373
LeetCode:Two Sum
题目:       Given an array of integers, find two numbers such that they add up to a specific target number. The function twoSum should return indices of the two numbers such that they add up t...
分类:其他好文   时间:2014-05-21 07:42:18    阅读次数:230
【Leetcode】Jump Game
Given an array of non-negative integers, you are initially positioned at the first index of the array.Each element in the array represents your maximu...
分类:其他好文   时间:2014-05-21 04:39:53    阅读次数:332
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