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[LeetCode 1] Two Sum
算法渣,现实基本都参考或者完全拷贝[戴方勤(soulmachine@gmail.com)]大神的leetcode题解,此处仅作刷题记录。 1 class Solution { 2 public: 3 vector twoSum(vector &numbers, int target) { 4...
分类:其他好文   时间:2015-03-01 19:41:24    阅读次数:222
[LeetCode] 001. Two Sum (Medium) (C++/Java/Python)
001.Two_Sum (Medium)...
分类:编程语言   时间:2015-02-27 13:38:54    阅读次数:215
problem 1 -- Two sum
很简单。没什么好说的。主要学习了STL的find_if、binary_search、和sort函数。find_if函数原型为:template InputIterator find_if (InputIterator first, InputIterator last, UnaryPredic...
分类:其他好文   时间:2015-02-20 16:20:31    阅读次数:199
LeetCode 1 # TwoSum
LeetCode 1 # TwoSum很有意思的问题.Two Sum Total Accepted: 63448 Total Submissions: 350576 My Submissions Question Solution Given an array of integers, find two numbers such that they add up to a specific tar...
分类:其他好文   时间:2015-02-16 00:32:41    阅读次数:181
Two Sum
这道题目看起来很简单,但是用简单的枚举超时。然后用hash存储,这样访问任何元素的时间复杂度为常数。但是需要对重复元素做特殊处理。 1 class Solution { 2 public: 3 vector twoSum(vector &numbers, int target) { 4 5...
分类:其他好文   时间:2015-02-13 22:23:04    阅读次数:183
Leetcode刷题笔记(部分非原创)(updating)
1. Two Sum 最基础的一道题,方法很多,用HashMap存pair是一种(HashSet和HashMap的方法在这里原理是一样的)。也可以sort the whole array first,then use two pointers, one start from the left sid...
分类:其他好文   时间:2015-02-13 13:00:58    阅读次数:127
leetcode_01_Two sum
欢迎大家阅读参考,如有错误或疑问请留言纠正,谢谢 Two sum 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 numbe...
分类:其他好文   时间:2015-02-12 18:32:47    阅读次数:162
leetcode[170]Two Sum III - Data structure design
Design and implement a TwoSum class. It should support the following operations:addandfind.add- Add the number to an internal data structure.find- Fin...
分类:其他好文   时间:2015-02-10 15:17:36    阅读次数:235
leetcode[167]Two Sum II - Input array is sorted
Given an array of integers that is alreadysorted in ascending order, find two numbers such that they add up to a specific target number.The function t...
分类:其他好文   时间:2015-02-10 15:02:48    阅读次数:345
[LeetCode] Two Sum
先前初学了《大话数据结构》,然后在网上看到了LeetCode的测试,于是开始刷题,第一题就是排行榜首位Given an array of integers, find two numbers such that they add up to a specific target number.The....
分类:其他好文   时间:2015-02-05 20:00:13    阅读次数:362
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