j******s
发帖数: 48 | 1 9.10 n boxs, height,width,depth, find the max height.
Solution,
Sub-problem, find the max depth that is using box b_i as bottom. Using
recursion + cache.
请问各位大神算法的复杂度是多少，怎么得出来的？谢谢！ |
|
w********p
发帖数: 948 | 2 不好意思，很丢脸的来问一句。
9.10 you have a stack of n boxes, with widths w, height h and depth d. The
boxes can not be rotated and can only be stacked on top of one another if
each box in the stack is strictly larger than the box above it in width,
height and depth. Implement a method to build the tallest stack possible.
where the height of a stack is the sum of the heights of each box
career cup 9.10堆盒子。答案的最后一句为啥是return (ArrayList)max_stack.
clone();
一般来说，只有在会 expose internal reference object 才会用retur... 阅读全帖 |
|
p*****2
发帖数: 21240 | 3
Id Question Difficulty Freqency Data Structures Algorithms
1 Two Sum 2 5
array
set
sort
two pointers
2 Add Two Numbers 3 4
linked list
two pointers
math
3 Longest Substring Without Repeating Characters 3 2
string
hashtable
two pointers
4 Median of Two Sorted Arrays 5 3
array
binary search
5 Longest Palindromic Substring 4 2
string
6 ZigZag Conversion 3 1
string
7 Reverse Integer 2 3
math
8 ... 阅读全帖 |
|
j**w
发帖数: 382 | 4 Email your resume and title page to d************************[email protected].
Sr. Product Manager, Yahoo! Display Advertising & Data Platforms
Yahoo! is focused on making the world's daily habits more inspiring and
entertaining. By creating highly personalized experiences for our users, we
keep people connected to what matters most to them, across devices and
around the globe. In turn, we create value for advertisers by connecting
them with the audiences that build their businesses. Yahoo! is headqu... 阅读全帖 |
|
j**7
发帖数: 143 | 5 phone #1: Given the head node of a singly linked list of characters, write
an efficient program to remove all nodes containing vowels.
phone #2: Given a character array (char[] input) that contains "words"
separated by spaces, create a function to reverse the words in the array.
For example, given ['H', 'i', ' ', 'W', 'o', 'r', 'l', 'd'] produce ['W', 'o
', 'r', 'l', 'd', ' ', 'H', 'i']. For the purposes of this problem the input
will contain only letters and spaces. Be sure your solution tolera... 阅读全帖 |
|
s******r
发帖数: 65 | 6 抓瞎啊，先刷三道leetcode的文章题吧
1. Lowest Common Ancestor of a Binary search tree done
(recursion, tail recursion)
2. Lowest Common Ancestor of a Binary tree I
(recursion, depth first)
3. Lowest Common Ancestor of a Binary tree II
(parent pointer, depth difference) |
|
g*******s
发帖数: 2963 | 7 别人的一道店面题，没看懂。什么叫depth first search of a array。如果是dfs
tree怎么不用stack来non-recurse?
depth first search of a array in a non-recursive manner without using extra
memory |
|
p*****2
发帖数: 21240 | 8 好多人问，我就发到这里吧。
面试题的构成和分类
首先声明一下，这里的面试题主要所指数据结构和算法的题目，题目的分析集中在
Leetcode上面的题目上。
我认为一道面试题由以下几个方面组成的
Question
Data structure in question
Data structure in solution
Algorithm in solution
Coding
题目：非常关键，一个题目通常有一些相应的变形题目，同一个题目可能有不同的要求
。比如时间复杂度，空间复杂度的要求，比如recursive,
iterative的要求。而根据题目的变形与要求，可能会极大的影响到你能够采取的数据
结构和算法。
问题中的数据机构：问题中有可能带数据结构，有可能没有数据结构，有可能是可以自
定义数据结构
解决方案中的数据结构：可以是in-place的，也就是利用已有的数据结构，也可能是创
建新的数据结构。新的数据结构跟已有的数据结构没有必然的联系，而很多问题都是一
题多解，可能采取不同的数据结构。
算法：一般来说，当解决方案中的数据结构确定以后，算法也就确定了。同样，一旦解
决方案的算法确定... 阅读全帖 |
|
p*****2
发帖数: 21240 | 9 好多人问，我就发到这里吧。
面试题的构成和分类
首先声明一下，这里的面试题主要所指数据结构和算法的题目，题目的分析集中在
Leetcode上面的题目上。
我认为一道面试题由以下几个方面组成的
Question
Data structure in question
Data structure in solution
Algorithm in solution
Coding
题目：非常关键，一个题目通常有一些相应的变形题目，同一个题目可能有不同的要求
。比如时间复杂度，空间复杂度的要求，比如recursive,
iterative的要求。而根据题目的变形与要求，可能会极大的影响到你能够采取的数据
结构和算法。
问题中的数据机构：问题中有可能带数据结构，有可能没有数据结构，有可能是可以自
定义数据结构
解决方案中的数据结构：可以是in-place的，也就是利用已有的数据结构，也可能是创
建新的数据结构。新的数据结构跟已有的数据结构没有必然的联系，而很多问题都是一
题多解，可能采取不同的数据结构。
算法：一般来说，当解决方案中的数据结构确定以后，算法也就确定了。同样，一旦解
决方案的算法确定... 阅读全帖 |
|
C*******n
发帖数: 24 | 10 第一次有人叫我大牛，泪如雨下。
就是一个recursive的方法。
check 每一个list的类型，如果是 数字，result += 数字* depth； 如果是list，就
call 这个方法，参数是 depth+1，求这个list里面的值， result += 这个值
然后就求出来啦。 |
|
t****o
发帖数: 94 | 11 12月/1月把FLG面了一轮，都没offer，本来懒得写面经，看到大家讨论年老色衰的程序
员，深有感触，还是写下来吧。coding题目什么的就不具体说了，准备得比较充分的都
没问题。
我在M家做了9年多，后面6年多做一线经理。每天算活少话多，主要在大叔圈子里面混
，pay还算OK吧。三个月前reorg，虽然没什么影响，觉得还是可以试试外面的机会。大
概把leetcode刷了一遍（以前做过一遍），就开始了。三家面试历经下来感觉很不一样
。基本FLG都帮我看了manager的职位，但是都说没有合适的，都是先做enginner，我很
多年没有面engineer了，试试也不错。
F：最早是看到好几个熟人（都是M家的principal lead）都跳去F家做engineer，想想
自己也可以试试，就最早联系了他们家。F家特点是简洁明快，说准备好了就来，
recruiter还发了leetcode的题和答案帮助复习，算很人性化。第一轮可以选电面或者
onsite，我选onsite，不算很容易地过了。然后就是正常的四轮面试，一轮45min，抛
去前后聊天，大概也就30min写两道题。coding基本都... 阅读全帖 |
|
c******h
发帖数: 46 | 12 问一道L家烂大街的题 nestedint reversed weighted sum
Compute the reverse depth sum of a nested list meaning the reverse depth of
each node (ie, 1 for leafs, 2 for parents of leafs, 3 for parents of parents
of leafs, etc.) times the value of that node.
这个例子应该怎么算?
{{1,2}, 1, {2, {2,1}}} = ?
{1,2}的weight应该是1 还是2?按照定义它应该是leaf吧 所以应该是
(1+2)*1 + 1 * 3 + (2*2 + (2+1) * 1) = 13?
对说好的FG面经
F考了个BST里面找successor 就一题 各种变 有parent 没parent 用stack不用stack
G家考了俩 第一个是给了两个有重复元素的list 求差集 第二题是LC min stack变种
维护最小次小元素 |
|
c******h
发帖数: 46 | 13 问一道L家烂大街的题 nestedint reversed weighted sum
Compute the reverse depth sum of a nested list meaning the reverse depth of
each node (ie, 1 for leafs, 2 for parents of leafs, 3 for parents of parents
of leafs, etc.) times the value of that node.
这个例子应该怎么算?
{{1,2}, 1, {2, {2,1}}} = ?
{1,2}的weight应该是1 还是2?按照定义它应该是leaf吧 所以应该是
(1+2)*1 + 1 * 3 + (2*2 + (2+1) * 1) = 13?
对说好的FG面经
F考了个BST里面找successor 就一题 各种变 有parent 没parent 用stack不用stack
G家考了俩 第一个是给了两个有重复元素的list 求差集 第二题是LC min stack变种
维护最小次小元素 |
|
y*****e
发帖数: 712 | 14 因为2在root level, 定于depth = 1, 把两个括号里的1看成它的children，depth = 2 |
|
m******a
发帖数: 77 | 15 三年多前倒了一次大楣,当时急着找工作,到了慌不择食的地步,每有一次机会,便当是一
根救命稻草. 某一天,忽有猎头打电话进来,说某某公司有一个opening, 问要不要去看
看. 我说当然.于是去了.
第一个面试官应该就是ｈｉｒｉｎｇ ｍａｎａｇｅｒ，大概是个ABC,问了一个怎么判
断一个TREE中是否存在一个闭圈的coding题,我一直作模型和分析,既非统计出身,也非
CS背景,算法从没学过,也从没准备过,coding 多少知道一点点,但很弱.上来写了一个
Depth First Traversal, 面试官说应该用Ｂｒｅａｄｔｈ First Traversal，但能写
出来Depth First已经足够了,算我过. 然后，给我交代了一下接下来的两个面试官,特
别强调了一下那个国人同胞，说是技术强,有一些ｐａｔｅｎｔ．那时我还从没申请过
什么Pａｔｅｎｔ，所以虽未谋面,心里已经很景仰的感觉．现在三年多已经过去了,我
ｐａｔｅｎｔ已经ｆｉｌｅ了四个,可以说一半都是垃圾，也见过周围的人Fｉｌｅ的ｐ
ａｔｅｎｔ，可能连我的垃圾都不如,这种认识带给我的提高有两点，一是日后再也不
会有人能拿ｐａ... 阅读全帖 |
|
h**********a
发帖数: 562 | 16 lz,请问这个题目是，指定一个叶节点，找到和这个节点最远的距离呢，还是要找到这
个树上所有叶节点中，最长的距离？
要是第二种，那就比较简单，就是左边depth+右边depth -1就行？
谢谢 |
|
h*******s
发帖数: 186 | 17 非码农职位。。。
一般亚麻都是电面2轮就onsite
我电面2轮，第一轮结束10分钟告诉我pass了 预约了第二轮
第二轮晚上面完第二天早上9:30告诉我pass了
两轮都是随便聊天 很水 问了几个behavior
然后hr说 另外一个组也看上我了 所以要加面第三轮 新的那个组的老板面我
然后周二下午面了第三轮 老印
就问了2个behavior
个人觉得答的不是很好
求问各位这类问题怎么答 以后也可以提高下
1. 他问我give me a time that you did a indept （adapted?） project? 一开始我
没听懂那个indept是什么？听起来像 in depth？ 我就问啥意思？他就说 detailed？
我就说了一个做过的project。。然后老印说我不觉得这个project哪里detail了 我就
开始解释啊。。这个确实做得很深入 balabala
最后他还是不满意。。
那到底怎么样的project才叫有detail， in depth呢？？求教
2. 他问我give me a time that you wanna run data analy... 阅读全帖 |
|
A***D
发帖数: 64 | 18 Senior Development Engineer
Job Category: Engineering & Science Location: US - California
Job ID #: 27244 Region: Altair - U.S.
Description
Altair empowers client innovation and decision-making through technology
that optimizes the analysis, management and visualization of business and
engineering information. Privately held with more than 2,000 employees,
Altair has offices throughout North America, South America, Europe and Asia/
Pacific. With a 30-year-plus track r... 阅读全帖 |
|
H*****0
发帖数: 11 | 19 This position is restricted to current residents of Canada that are fluent
in written and verbal Chinese Simplified.
This is a Personalized Search Engine Evaluator position. As a Personalized
Search Engine Evaluator, you will be given tasks that are generated from
your personalized content based on your Google account linked to your Gmail
address that you use to register with Leapforce. Ideal candidates will be
highly active users of Google's search engine and other products; use Google
Play at ... 阅读全帖 |
|
o*q
发帖数: 630 | 20 # Title Editorial Acceptance Difficulty Frequency
1
Two Sum 28.3% Easy
292
Nim Game 54.4% Easy
344
Reverse String 57.3% Easy
136
Single Number 52.2% Easy
2
Add Two Numbers 25.6% Medium
371
Sum of Two Integers 51.6% Easy
4
Median of Two Sorted Arrays
20.4% Hard
6
ZigZag Conversion 25.6% Easy
13
Roman to Integer 42.7% Easy
237
... 阅读全帖 |
|
T*****0
发帖数: 22 | 21 Job Description
This position requires the candidate to provide technical and user support
for desktop PCs, laptop PCs, printers, and other office equipments. The
candidate also maintains IT infrastructure including Tele-communication
equipment, computer network, and UNIX or MS Window based servers.
• Installs, tests, and maintains IT infrastructure including Tele-
communication, network, and servers
• Provides technical support on desktop PC, laptop PC, and other
office equipm... 阅读全帖 |
|
T*****0
发帖数: 22 | 22 Job Description
This position requires the candidate to provide technical and user support
for desktop PCs, laptop PCs, printers, and other office equipments. The
candidate also maintains IT infrastructure including Tele-communication
equipment, computer network, and UNIX or MS Window based servers.
• Installs, tests, and maintains IT infrastructure including Tele-
communication, network, and servers
• Provides technical support on desktop PC, laptop PC, and other
office equipm... 阅读全帖 |
|
T*****0
发帖数: 22 | 23 Job Description
This position requires the candidate to provide technical and user support
for desktop PCs, laptop PCs, printers, and other office equipments. The
candidate also maintains IT infrastructure including Tele-communication
equipment, computer network, and UNIX or MS Window based servers.
• Installs, tests, and maintains IT infrastructure including Tele-
communication, network, and servers
• Provides technical support on desktop PC, laptop PC, and other
office equipm... 阅读全帖 |
|
T*****0
发帖数: 22 | 24 Job Description
This position requires the candidate to provide technical and user support
for desktop PCs, laptop PCs, printers, and other office equipments. The
candidate also maintains IT infrastructure including Tele-communication
equipment, computer network, and UNIX or MS Window based servers.
• Installs, tests, and maintains IT infrastructure including Tele-
communication, network, and servers
• Provides technical support on desktop PC, laptop PC, and other
office equipm... 阅读全帖 |
|
T*****0
发帖数: 22 | 25 Job Description
This position requires the candidate to provide technical and user support
for desktop PCs, laptop PCs, printers, and other office equipments. The
candidate also maintains IT infrastructure including Tele-communication
equipment, computer network, and UNIX or MS Window based servers.
• Installs, tests, and maintains IT infrastructure including Tele-
communication, network, and servers
• Provides technical support on desktop PC, laptop PC, and other
office equipm... 阅读全帖 |
|
T*****0
发帖数: 22 | 26 Job Description
This position requires the candidate to provide technical and user support
for desktop PCs, laptop PCs, printers, and other office equipments. The
candidate also maintains IT infrastructure including Tele-communication
equipment, computer network, and UNIX or MS Window based servers.
• Installs, tests, and maintains IT infrastructure including Tele-
communication, network, and servers
• Provides technical support on desktop PC, laptop PC, and other
office equipm... 阅读全帖 |
|
k********o
发帖数: 236 | 27 Goldman Sachs:
FI Sales Middle Office IT Team develops, maintains and supports suites of
application and technology infrastructure for FI Cash Products to support
Sales Middle Office, Trading and Regulatory Operations functions. The
application functionality include trade booking/capture, allocations,
confirmation/affirmation for voice and electronic flows, sales-to-trader
trade match and regulatory reporting. These applications use C/C++, SQL,
Java, Perl and enterprise level messaging products ... 阅读全帖 |
|
w***j
发帖数: 241 | 28 Must be a green card holder. See link below.
If interested, I can do the referal internally.
Contact me via mailbox if you believe that you are qualified.
https://cp-its-rmprd.saic.com/MAIN/careerportal/Job_Profile.cfm?/
0KHGJM0K52PU030M4JJ5Z5S2G4VRE8VHIYY4VQTUUFVQMET1T815QEEACWFLX213CRE0678YXW9Z
QCUANP15W9K1NQKXQHKMVGIVSCN4H5D4W9IL47TIN7G5SELOIZ9KGWMUSCMET5NFA7VRV65BNVTI
Q0KVTIQ0L3H7ATQ8
JOB DESCRIPTION
This scientist will perform data analysis and interpretation of data and
will work with mul... 阅读全帖 |
|
c*****9
发帖数: 17 | 29 Employees in Netbook and Tablet Group deliver innovative platforms across
computing and communication segments including tablet, netbook and other
consumer electronics. Intel's industry leading technology is used to create
integrated hardware and software solutions such as processors, chipsets,
communication radios, graphics processors, motherboards, and networking
components that deliver capabilities from security and manageability to
computing performance and energy efficiency. NTG employees a... 阅读全帖 |
|
m****s
发帖数: 18160 | 30 【 以下文字转载自 WashingtonDC 讨论区 】
发信人: dawnrain (fishman), 信区: WashingtonDC
标 题: 两个IT工作机会，在DC downtown
关键字: IT， 工作机会
发信站: BBS 未名空间站 (Fri Feb 15 09:33:29 2013, 美东)
摘要：
一个的相关领域是Human Computer Interaction, User Experience Design and
Development, Mobile Applications, Social Media, and Information Retrieval
另一个的相关领域是Information Retrieval, Machine Learning, Natural Language
Processing, Data Mining, and Image/Video Processing
都是senior level的职位，工作经验的需要是 Generally requires 5-8 years
related experience after... 阅读全帖 |
|
j*****y
发帖数: 121 | 31 Novo Nordisk R&D Center China
Mini-pilot – Senior/Principal Scientist in DSP
Zhongguancun Life Science Park, Beijing
Novo Nordisk is a focused healthcare company and a world leader in diabetes
care. Novo Nordisk China R&D (NNRCC) is an integrated part of Novo Nordisk R
&D organization. Novo Nordisk wants to conduct pharmaceutical research
activities in China and expand its network to the scientific community. For
this purpose a new position is open for a dedicated and motivated Senior
Scientist/... 阅读全帖 |
|
H*****0
发帖数: 11 | 32 This position is restricted to current residents of Canada that are fluent
in written and verbal Chinese Simplified.
This is a Personalized Search Engine Evaluator position. As a Personalized
Search Engine Evaluator, you will be given tasks that are generated from
your personalized content based on your Google account linked to your Gmail
address that you use to register with Leapforce. Ideal candidates will be
highly active users of Google's search engine and other products; use Google
Play at ... 阅读全帖 |
|
k********d
发帖数: 343 | 33 我忍受不了突出来一大块，我买的counter-depth的冰箱。实际上也不能彻底对其
couter，会稍微出来一些，因为冰箱后面水管的缘故。买不买counter-depth的冰箱看
个人喜好了，而且和冰箱位置有关系。如果在角落里面还好。 |
|
l***j
发帖数: 300 | 34 Counter Depth 比普通的容积小，价钱贵。如果不是厨房地方实在放不下，就不要买
counter depth 的。我觉得 side by side 冷冻室太小，又狭长，非常不方便。要老外
的话讲，thanksgiving 买个火鸡都放不下。 |
|
F**********t
发帖数: 851 | 35 most refrig will stick out since most cabinets are not that deep as common
rifrig depth, and that's why a counter depth refrig is much smaller ,but
much more expensive than a common refrig.
1- |
|
F**********t
发帖数: 851 | 36 我家的就是kitchen aid的french door冰箱。当初在选择冰箱的时候在GE PROFILE和
kitchen aid之间犹豫了好一阵子,网上到处看，又问了一些业内人士，普遍推荐
KITCHEN AID，kitchen aid是wirlpool中的高档品牌，而ge profile只是GE的中档品牌
（ge 高档品牌应该是monogram），所以就跟天忌赛马的道理差不多，两者比起来，自
然kitchen aid要更胜一筹。
价格方面因为我们买的是KA的counter-depth french door,所以价格要远远多于1500，
非counter-depth的具体多少就不大清楚了。不过KITCHEN AID的冰箱本身是非常好的。
洗衣机和烘干机我们家买的是samsung front load steam washing machine，强力推荐
，安静省水容量大，当时买的时候还挺贵的，现在应该已经便宜不少了。 |
|
e********t
发帖数: 9607 | 37 难道只是因为大？非counter depth的冰箱都这么大，counter depth的又太贵。 |
|
z***y
发帖数: 473 | 38 那款冰箱的Height w/out Hinge 是68-3/8, 如果你的厨depth小的话, 其实可以放得进去. 要不然你只能买counter-depth的冰箱了, 不过通常都没什么deal. |
|
z***y
发帖数: 473 | 39 你要看它具体的specification,
Dimensions:
Maximum Depth w/Handle: 34-1/4 in.
Height w/out Hinge: 68-3/8 in.
Maximum Height w/Hinge: 69-3/4 in.
Maximum Width: 35-3/4 in.
Depth w/out Handle: 31-3/4 in.
69-3/4是带Hinge的高度, 也就是是前门最高的高度, 但这个位置距离墙的位置应该是30左右. 正常情况下你的厨决不会伸到那个位置的. 因此冰箱会放进去, 但冰箱上面的厨门可能会无法完全打开, 因为hinge会挡到, 这其中的取舍就得看你自己如何考虑了.
建议你打电话给sears, 完全确定该冰箱的具体尺寸以后, 再决定是否购买, 如果能看到现货, 用尺子量一下最好. |
|
i******s
发帖数: 8734 | 40 谁告你french door 都是采用counter depth 的？
非counter depth 的french door 的大把大把的 |
|
v***e
发帖数: 2108 | 41 我想买一个Counter-Depth冰箱，side-by-side的选择比较多，
但是总觉得side-by-side的freezer太窄了，如果我想放条鱼
或者一长条火腿难道要竖起来放？想买个bottom freezer的，
但是选择比较少了。
有谁用过这两种的说说经验吧。
还有，Counter-Depth的好贵啊，有谁能推荐一个物美价廉点的？
谢谢 |
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c*******e
发帖数: 776 | 42 counter-depth只是潮流，装不了太多，通常counter-depth要价稍高，side-by-side就
不建议了，现在发现是鱼，以后发现更多的东西都不能放，试试franch door或bottom
freezer |
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H******7
发帖数: 34403 | 43 counter depth是不是太浅了一点？真的和counter平齐？我记得counter只有24"深，冰箱屁股还
有突出的冷凝管，还要接水管，电源，这些也要一定的depth富余吧。 |
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Y***o
发帖数: 4135 | 44 No choice - the depth of the opening is just 24". I wish I can buy a bigger
one for less $$. Couter-depth one costs more, more $$ for less space. 21.
8ft3, it was actually big enough for my family.
冰箱屁股还 |
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H******7
发帖数: 34403 | 45 counter depth是不是太浅了一点？真的和counter平齐？我记得counter只有24"深，冰箱屁股还
有突出的冷凝管，还要接水管，电源，这些也要一定的depth富余吧。 |
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Y***o
发帖数: 4135 | 46 No choice - the depth of the opening is just 24". I wish I can buy a bigger
one for less $$. Couter-depth one costs more, more $$ for less space. 21.
8ft3, it was actually big enough for my family.
冰箱屁股还 |
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b*****t
发帖数: 1276 | 47 i was about to say this.
24 inch is more for count-dept refregireator, which is more expensive and
less space. but if you have another one in garage or basement, you can buy
the oounter-depth one, since it's looks more "built-in"
30 inch depth is for regular one.
it's all about how good it looks, can you post a picture? so we can give you
more suggestions. |
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m***y
发帖数: 14763 | 48 If your only concern is the roots, you don't need to remove the trees. Just
put in some tree edging.
Essentially, you need to dig a circle around the tree. The radius and depth
depends on your tree, but as rule of thumbs, 4' radius and 6" depth is more
than enough. Use a lopper or a chain saw to cut any roots going out of this
ring. |
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p******t
发帖数: 3764 | 49 幸亏没下单，去amazon上看了下review, 有人比较了几个steam mop
贴上来给大家看看
最后决定买ereka的enviro steamer
(update: This review was updated on 11-2-09 after I got to compare the
Bissell as well as add notes about the Ladybugg steamer at the bottom)
I live in a neighborhood where EVERY home is "green built certified" this
means that, to have that certification, the builder built no homes with
carpet. All the main floors are polished concrete and the upper floors wood.
The bathrooms all have tile and/or slate in every home.
Be... 阅读全帖 |
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b*****t
发帖数: 1276 | 50 if you can use 10% off, that would be sweeter. it's about half inch shorter
in depth than the 520 line, so if you have closet and depth is concern, that
half inch may save you.
i will buy these pair instead of Best buy one (520 line).
Actually i order similar pair one month ago when they are on small promotion
(the washer without nightWash). This one 100 $ more because of the nighwash
mode. They can not deliver because of out of stock. Today i ask them to
upgrade 520 line, then lowes told me the... 阅读全帖 |
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