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LeetCode(1) || Two Sum
LeetCode(1) || Two Sum题记 一直都想好刷下LeetCode的题目,终于在今年工作的第一天晚上启动了,正好为我的算法学习之路开个头。目前LeetCode里面有179道题,争取两个月内刷完。TwoSum问题描述Given an array of integers, find tw....
分类:其他好文   时间:2015-03-04 22:32:11    阅读次数:145
leetcode--1
class?Solution: ????#?@return?a?tuple,?(index1,?index2) ????def?twoSum(self,?num,?target): ????????dictionary?=?{} ????????for?index,?number?in?enumerate(num...
分类:其他好文   时间:2015-03-03 12:01:09    阅读次数:127
LeetCode: 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 n...
分类:其他好文   时间:2015-03-02 16:24:23    阅读次数:129
[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
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 nu...
分类:其他好文   时间:2015-02-28 14:21:16    阅读次数:117
Leetcode - 3Sum
蛮常见一道题目。思路:1:排序,按顺序遍历两个数之和twoSum,2: 二分查找 (0 - twoSum)看是否存在这题最easy错的地方是must not contain duplicate triplets,所以遍历的这时候要用一个数字记录最后一个遍历的数字是,避免反复。#include#inc...
分类:其他好文   时间:2015-02-25 21:03:28    阅读次数:150
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_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
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