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...
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其他好文 时间:
2014-05-23 07:22:48
阅读次数:
241
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 ...
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其他好文 时间:
2014-05-21 20:36:55
阅读次数:
408
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...
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其他好文 时间:
2014-05-21 20:00:51
阅读次数:
296
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...
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其他好文 时间:
2014-05-21 17:27:55
阅读次数:
252
【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)
...
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其他好文 时间:
2014-05-21 17:13:07
阅读次数:
219
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...
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编程语言 时间:
2014-05-21 16:35:40
阅读次数:
265
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...
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其他好文 时间:
2014-05-21 07:42:18
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230
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...
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其他好文 时间:
2014-05-21 04:39:53
阅读次数:
332