Dec1

Question 1

you don’t have to be tech ….

Answer 1

savvy

Question 2

Zia is a … soccer fan.

Answer 2

hard core

Question 3

If n is … by 2

Answer 3

divisible

Question 4

I am just … something that I have seen.

Answer 4

relaying

Question 5

I need to sit down and … my breath.

Answer 5

catch

Question 6

I got … going through an intersection.

Answer 6

T-boned

Question 7

I just got in a … on the way over here.

Answer 7

wreck

Question 8

I was in a … the other day and my car was totaled. He was at ….

Answer 8

wreck

fault

Question 9

Both drivers were … … because they were driving too fast.

Answer 9

at fault

Question 10

I can’t believe the damage is going to cost me 800 bucks. It was just a … ….

Answer 10

fender bender

Question 11

I got … … stopping at stoplight.

Answer 11

rear ended

Question 12

I got … … so hard that my glasses … … my face and hit the dashboard.

Answer 12

rear ended

flew off

Question 13

The most naive solution is to generate every … of the array of numbers from 1 to n.

Answer 13

permutation

Question 14

and check if they only … by one character

Answer 14

differ

Question 15

Given n points on a 2D plane, find the maximum number of points that … on the same straight line.

Answer 15

lie

Question 16

we will search for all elements greater than … of the current element.

Answer 16

twice

Question 17

start at the end of the list and work …

Answer 17

backwards

Question 18

Find the … subarray within an array which has the largest sum.

Answer 18

contiguous

Question 19

determine if s can be … into a space-separated sequence of one or more dictionary words.

Answer 19

segmented

Question 20

built to … cold winters

Answer 20

resist

Question 21

that the points of interest are the … valleys and peaks.

Answer 21

consecutive

Question 22

The … is the length of the outline of a shape.

Answer 22

perimeter

Question 23

it’s probably your first and best chance to … the hiring manager on why you’re the right one for the job.

Answer 23

pitch

Question 24

I sent an email … the problem.

Answer 24

detailing

Question 25

I can … to this after making many mistakes myself.

Answer 25

attest

Question 26

and return that number % 10.

Answer 26

modulo

Question 27

… is the event of a storm moving … land after being … water.

Answer 27

Landfall
over
over

Question 28

a quick look should …

Answer 28

suffice

Question 29

a simple yes or no will …

Answer 29

suffice

Question 30

these distances … the measurements vector of the robot

Answer 30

comprise / consist of

Question 31

how … this measurement is

Answer 31

plausible
SHODANI; MOHTAMAL;
opposite: implausible

Question 32

if … of your parents is a US citizen

Answer 32

neither one

Question 33

if … of your parents are a US citizen

Answer 33

either

Question 34

Z = Y + noise ; noise add mishe

Answer 34

effect of noise is additive

Question 35

Z = f(noise) * Y ; non-linear function f

Answer 35

effect of noise is non-linear

Question 36

we’ll discuss how to … these parameters.

Answer 36

determine

Question 37

This is why most of this book is …
to improving your coding and algorithm skills.

Answer 37

devoted

Question 38

getRandom should return 1 and 2 both equally …

Answer 38

likely

Question 39

They have done the … … to make sure all teams are aware of this actively.

Answer 39

due diligence=checking through

Question 40

The items not picked up … remain available for pickup under normal rules.

Answer 40

shall

Question 41

The more these sound like you, and describe people you want to work with, the more likely you will … at Netflix.

Answer 41

thrive

Question 42

We celebrate the people who are very …, especially to those in more powerful positions.

Answer 42

candid

Question 43

Given an unsorted array, find the maximum difference between the … elements in its sorted form.

Answer 43

successive

Question 44

The … Principle states that if nn items are put into mm containers, with n > mn>m, then at least one container must contain more than one item.

Answer 44

Pigeonhole

Question 45

… increases and software rots over time.

Answer 45

disorder

Question 46

inability to be changed or adapted.

Answer 46

rigidity - the rigidity of the school system

Question 47

the quality of being easily broken or damaged.

Answer 47

fragility

Question 48

it is hard to disentangle the system into components that can be used in other systems.

Answer 48

immobility

Question 49

tools, environment, and design … progress.

Answer 49

impede

Question 50

Complete … of maze will be done in the worst case.

Answer 50

traversal

Question 51

Further, for every current node chosen, we can … up to a maximum depth of max(m,n) in any direction.

Answer 51

travel

Question 52

First, responses to interview questions shouldn’t be … of as “correct” or “incorrect.”

Answer 52

thought

Question 53

I am … of what you said.

Answer 53

mindful

Question 54

Many candidates spend all their time prepping for technical questions and … the behavioral questions

Answer 54

overlook

Question 55

return all elements of the matrix in … order.

Answer 55

spiral - spAiRel

Question 56

Each element is visited … only.

Answer 56

once

Question 57

a palindrome … around its center.

Answer 57

mirrors

Question 58

Say you have an array for … the ith element is the price of a given stock on day i.

Answer 58

which

Question 59

Given a positive integer n, find the least number of perfect square numbers (for example, 1, 4, 9, 16, …) which … to n.

Answer 59

sum

Question 60

Find all unique … in the array which gives the … of zero.

Answer 60

triplets

sum

Question 61

Comparator

Answer 61

kAm.pa.re.ter

Question 62

assuming the hash function … the elements properly among the buckets.

Answer 62

disperses

Question 63

disperse

Answer 63

di.spers

Question 64

treeSet.floor(x) returns the … value that is less than x

Answer 64

greatest

Question 65

treeSet.ceilling(x) returns the … value that is greater than x

Answer 65

least

Question 66

An atomic operation is an operation which is performed as a single unit of work without the possibility of … from other operations.

Answer 66

interference

Question 67

you provide a hint that indicates how many digits in … guess match your secret number

Answer 67

said

Question 68

the company issued additional shares to shareholders … a cash dividend

Answer 68

in lieu of

LOO

Question 69

a technical meet & greet … phone interview

Answer 69

in lieu of

Question 70

Have a copy of your resume available just in case you are … on it.

Answer 70

questioned

Question 71

Developer colleague: “Oh, I’m not a designer. I leave that to you!”
Me: “Awww… Don’t say that. Everyone has an eye for design. Don’t be discouraged.”

developer colleague … a slight … in my design
Me: “Who the fuck do you think you are?”

Answer 71

points out

flaw

Question 72

and a more accurate … of the population

Answer 72

representation

Question 73

providing a source of information that’s more … than ever before

Answer 73

objective

Question 74

Research has shown that early … of developmental issues can lead to higher IQs and better social skills.

Answer 74

treatment

Question 75

with innovative … recognition algorithms, to analyze emotional reactions to videos in children as young as 18 months

Answer 75

facial

Question 76

Finding a way to predict … with Apple Watch.

Answer 76

seizures

Question 77

Researchers hope Apple Watch could eventually help predict … before they happen.

Answer 77

seizures

Question 78

Since its launch, the EpiWatch app has enabled people to accurately track the … and duration of seizures in real time, creating a correlation between episode history and medication.

Answer 78

onset

Question 79

researchers can access even more relevant data for their studies — like daily step …, calorie …, and heart …

Answer 79

counts
use
rate

Question 80

nin·com·poop

Answer 80

a foolish or stupid person

ˈniNGkəmˌpo͞op

Question 81

Video piracy is a … competitor for entertainment time in many international markets.

Answer 81

substantial

Question 82

you will take an active role in leading and … innovation in the online payment space

Answer 82

fostering

Question 83

Alexa is the … cloud-based intelligent agent that powers Echo and other devices designed around your voice.

Answer 83

groundbreaking

Question 84

the tanks … the attack

Answer 84

spearheaded

Question 85

Demonstrated track record of project delivery for large, cross-functional projects with … requirements

Answer 85

evolving

Question 86

Your health data stays up to date across all your devices automatically using iCloud where it is encrypted while in transit and at …

Answer 86

rest

Question 87

… and communicate technical concepts to …

Answer 87

distill

stakeholders

Question 88

deep vs. … learning

Answer 88

shallow

Question 89

Although leaders pay attention to competitors, they … over customers.

Answer 89

obsess

Question 90

leaders pay attention to competitors, they … over customers

Answer 90

obsess

Question 91

They think long term and don’t … long-term value for short-term results.

Answer 91

sacrifice

Question 92

They have strong judgment and good …

Answer 92

instincts

Question 93

Due to Amazon business needs, your interviewer may …

Answer 93

change

Question 94

We can inorder … the tree and get the kth smallest element.

Answer 94

traverse

Question 95

Find the … rate that doesn’t cause …

Answer 95

maximal

implosion

Question 96

summarize the numbers seen so far as a list of … intervals

Answer 96

disjoint

Question 97

a small hard inflamed spot on the skin

Answer 97

pimple

Question 98

his face was covered by …

Answer 98

pimples

Question 99

When answering questions, be as … and detailed in your response as possible.

Answer 99

concise

Question 100

We realize it’s hard to … how much information is too much versus not … enough; an effective … test is pausing after your … response to ask if you’ve provided enough detail, or if the interviewer would like you to go into more depth.

Answer 100

gauge; gage
sufficient
litmus; litmes
succinct; sAk.sinkt

Question 101

I expect my students to write …

Answer 101

concisely

Question 102

just a … report, please

Answer 102

succinct

Question 103

pressure …

Answer 103

gauge

Question 104

an instrument or device for measuring the magnitude, amount, or contents of something, typically with a visual display of such information.

Answer 104

gauge

Question 105

estimate or determine the magnitude, amount, or volume of.

Answer 105

gauge

Question 106

giving a lot of information clearly and in a few words; brief but comprehensive.

Answer 106

concisely

Question 107

The party is using attitudes about gun control as a … … for political candidates.

Answer 107

litmus test

Question 108

a test in which a single factor (such as an attitude, event, or fact) is decisive

Answer 108

litmus test

Question 109

the Supreme Court voided the statute by a … 7–2 vote

Answer 109

decisive; di.sAi.sive

Question 110

The general was known for his … manner.

Answer 110

decisive

Question 111

a … defeat

Answer 111

decisive

Question 112

Your argument was the … one.

Answer 112

decisive

Question 113

a height-balanced binary tree is defined as a binary tree in which the depth of the two subtrees of every node never … by more than 1

Answer 113

differ

Question 114

x / y
x is …
y is …

Answer 114

dividend

divisor

Question 115

You are given coins of different … and a total amount

Answer 115

denominations

Question 116

Tell me about a time when you … customer …?

Answer 116

demonstrated

obsession

Question 117

How do you … with the principle, ‘Are right, a lot’?

Answer 117

resonate

Question 118

Which Amazon leadership principle do you … most with?

Answer 118

resonate

Question 119

If you get asked, “Tell me about a time you showed customer obsession” should your answer use the exact words “customer obsession”? Not necessarily. You can say you “…” or “…” or “…”

Answer 119

value customers
pay attention to customers
are customer oriented.

Question 120

No gym today. Should rest my leg. … went back up after yesterday.

Answer 120

Swelling

Question 121

an abnormal enlargement of a part of the body, typically as a result of an accumulation of fluid.

Answer 121

Swelling

Question 122

a long journey involving travel by sea or in space.

Answer 122

voyage

Question 123

balancing and deletion of binary search trees are rarely asked, but you might want to have some idea how they work. It can … from other candidates.

Answer 123

set you apart

Question 124

If this were a binary search tree, we could do a modified find on the two nodes and see where the paths …

Answer 124

diverge

Question 125

The time stated 8:00 am, tomorrow morning at your company’s premises.
I will be …

Answer 125

punctual

Question 126

Avoid solutions with lots of … or huge if/else if/else blocks. Deciding between iteration and recursion can be an important step

Answer 126

edge cases

Question 127

? - the … character matches 0 or 1 times only.

Answer 127

preceding

Question 128

All problems that can be solved recursively can also be solved …

Answer 128

iteratively

Question 129

I don’t make sense why … did you invest your life savings in your boyfriend’s business just because he’d said “it’s a good idea”. I think you’re drinkin’ too much of his …

Answer 129

on earth

Kool-Aid

Question 130

You are given two sorted arrays, A and B, and A has a large enough buffer at the end to … B. Write a method to merge B into A in sorted order.

Answer 130

hold

Question 131

Primitive Types and Values: The integral types are byte , short , int , and long , whose values are 8-bit, 16-bit, 32-bit and 64-bit … … integers, respectively, and char , whose values are 16-bit … integers representing UTF-16 code units

Answer 131

signed two’s-complement

unsigned

Question 132

he looked … familiar

Answer 132

vaguely: slightly

Question 133

he looked … familiar

Answer 133

vaguely

Question 134

However, if we have
a very large tree and want to be prepared to quit when we get too far from the original
node, DFS can be problematic; we might search thousands of ancestors of the node,
but never even search all of the node’s children. In these cases, BFS is … preferred

Answer 134

typically

Question 135

We should mark any node found in the course of the algorithm as “already visited” to avoid … and … of the nodes.

Answer 135

cycles

repetition repe.tiSHen

Question 136

Breadth first search can also be useful to find the shortest path, … depth first search may … one adjacent node very deeply before ever going onto the immediate neighbors.

Answer 136

whereas

traverse

Question 137

if we assume that the tree cannot … duplicate values

Answer 137

have

Question 138

I didn’t intend to … people into thinking it was French champagne

Answer 138

deceive: di.sive

Question 139

I didn’t intend to … people into thinking it was French champagne

Answer 139

deceive: di.sive

Question 140

due to an … and emergent situation

Answer 140

unforeseen: not anticipated or predicted

Question 141

due to an … and emergent situation

Answer 141

unforeseen

Question 142

Given a sorted array of strings which is … with empty strings, write a method to find the location of a given string.

Answer 142

interspersed

Question 143

A typical implementation is that when the array is full, the

array doubles in size. Each doubling takes 0(n) time, but happens so rarely that its … time is still O(1).

Answer 143

amortized

Question 144

On each concatenation, a new copy of the string is created, and the two strings are …, character by character

Answer 144

copied over

Question 145

The … is that many common queries will … expensive joins.

Answer 145

drawback

require

Question 146

The … is that many common queries will require expensive joins.

Answer 146

drawback

Question 147

Some very rare conditions might be best handled through a … (like duplicating the person’s contact information in the database).

Answer 147

work around

Question 148

Some very rare conditions might be best handled through a … (like duplicating the person’s contact information in the database).

Answer 148

work around

Question 149

a method for overcoming a problem or limitation in a program or system

Answer 149

work around

Question 150

Each of these actions … new tables and columns.

Answer 150

requires

Question 151

This can help us avoid … joins in a relational database

Answer 151

costly

Question 152

The …, however, is that if the tables are large, we may spend an … long time doing joins on tables.

Answer 152

drawback

unnecessarily

Question 153

Denormalization, then, … a different compromise. Under denormalization, we decide that we’re okay with some redundancy and some extra effort to update the database in order to get the efficiency advantages of fewer joins.

Answer 153

strikes

Question 154

Data … is the process of obtaining and importing data for immediate use or storage in a database. To ingest something is to “take something in or absorb something.”

Answer 154

ingestion

Question 155

Threads … a given process … the same memory space.

Answer 155

within

share

Question 156

Like synchronizing a method, only one thread per instance of MyObject can execute the code … the synchronized block.

Answer 156

within

Question 157

Like synchronizing a method, only one thread per instance of MyObject can execute the code … the synchronized block

Answer 157

within

Question 158

… systems consist of fewer, larger components than fine-grained systems; a coarse-grained description of a system regards large subcomponents while a … description regards smaller components of which the larger ones are composed.

Answer 158

Coarse-grained

fine-grained

Question 159

For more … control, we can utilize a lock.

Answer 159

granular

Question 160

Since each thread is waiting for the other thread to relinquish a lock, they both remain waiting forever. The threads … to be deadlocked.

Answer 160

are said

Question 161

A process is an independent entity … system resources (e.g., CPU time and memory) are allocated.
Each process is executed in a separate address space, and one process cannot access the variables and data structures of another process. If a process wishes to access another process’ resources, inter-process communications have to be used. These include pipes, files, sockets, and other forms.

Answer 161

to which

Question 162

A thread exists … a process and shares the process’ resources (including its heap
space). Multiple threads within the same process will share the same heap space. This
is very different from processes, which cannot directly access the memory of another
process. Each thread still has its own registers and its own stack, but other threads can
read and write the heap memory.

Answer 162

within

Question 163

A lock in Java is … by the same thread which locked it.

Answer 163

owned

Question 164

How much do you think this car would be worth on a trade? Fred: Well, …, I’d say about a thousand.

Answer 164

right off the top of my head

without giving it too much thought or without precise knowledge

Question 165

Object-oriented design (OOD) questions are often intentionally … in order to test whether you’ll make … or if you’ll ask … questions.

Answer 165

vague
assumptions
clarifying

Question 166

You should talk to your interviewer about how … your design should be.

Answer 166

general purpose

Question 167

You should usually design for long-term code … and …

Answer 167

flexibility

maintenance

Question 168

In any object-oriented design question, you first want to … … … asking your interviewer some questions to clarify design constraints.

Answer 168

start off with

Question 169

Now that we have that … … … …, we’ll outline the basic system components:

Answer 169

out of the way

Question 170

Instead, they are evaluating your ability to … … a tricky problem and to solve problems using … … … …

Answer 170

break down

what you do know

Question 171

Remember that the solution for each issue might be to actually remove the issue entirely, or it might be to simply … the issue

Answer 171

mitigate

Question 172

The problem, however, is that a machine … get more data and eventually … its capacity.

Answer 172

may

exceed

Question 173

Before we start … the problem, we need to … whether this is a one time only operation, or if this findWords method will be called repeatedly.

Answer 173

solving

understand

Question 174

Thus, the interviewer is going to be … … how careful you are

Answer 174

looking at

Question 175

I was … happy to see David and his wife.

Answer 175

doubly

Question 176

The data structure BiNode could be used to represent both a binary tree or a … linked list.

Answer 176

doubly

Question 177

In this case, the problem is really about finding a way to break up a string into separate words such that … … characters as possible are “left out” of the parsing.

Answer 177

as few

Question 178

having no elements in common

Answer 178

disjoint

Question 179

Remember that when you’re discussing a linked list in an interview, you must understand whether it is a … linked list or a … linked list.

Answer 179

singly

doubly

Question 180

We can use two pointers, p1 and p2. We place them k nodes … in the linked list by putting pi at the beginning and moving p2 k nodes into the list.

Answer 180

apart

Question 181

For the next 5-10 minutes, the interviewer will ask questions about your experience and your career …

Answer 181

aspirations

Question 182

one of his highest … was to become an astronaut.

Answer 182

aspirations

Question 183

Given two integers representing the … and … of a fraction, return the fraction in string format.

Answer 183

2 / 4

numerator: 2
denominator: 4

Question 184

But the point is that you should try to … … to the detail.

Answer 184

get down

Question 185

… … … … is to focus more on how each tool is designed than what tool to use.

Answer 185

The rule of thumb

Question 186

The report can be extremely detailed that how much time you spend in each part and what your reaction is after a hint … all be included.

Answer 186

will

Question 187

Interviewers are really … to help you out by giving you hints or telling you that you’re not in the right direction.

Answer 187

willing

Question 188

Never … … … … … by over-complicating the problem.

Answer 188

shoot yourself in the foot

Question 189

A common … in coding interviews is to start coding without much consideration and discussion.

Answer 189

pitfall

Question 190

Remember that no one … expect you to come up with a design within seconds.

Answer 190

would

Question 191

You don’t need to point out a solution quickly, but you can talk about how you think about the problem, what you are trying to solve at the moment and what you are … with.

Answer 191

stuck

Question 192

These questions may seem … at first.

Answer 192

intimidating

Question 193

To … … your scalability knowledge, we’ve selected some of the best readings and videos available online.

Answer 193

beef up

Question 194

Remember, usually each solution is a trade-off of some kind. Changing something will … something else.

Answer 194

worsen

Question 195

The bakery can not … these kind of customer wishes, so it must start the task when the customer is in the bakery and tell him to come back at the next day.

Answer 195

foresee

Question 196

A user comes to your website and starts a very computing … task which would take several minutes to finish.

Answer 196

intensive

Question 197

where it …, and where it fails

Answer 197

excels

Question 198

Every technology, every pattern is great for some things, and … so great for others.

Answer 198

not

Question 199

But at the end of the day, it all … … to balancing between time to market, system complexity, cost of development, cost of maintenance, availability, and many other things.

Answer 199

boils down

Question 200

Reads are 9 times more … than writes.

Answer 200

frequent

Question 201

Writes are a … fewer that reads.

Answer 201

lot

Question 202

An alternative approach could be to … our database and … the data across different machines.

Answer 202

shard

spread

Question 203

An alternative approach could be to … our database and spread the data across different machines.

Answer 203

shard

Question 204

We could have a monitoring service that would detect this situation and would … … additional workers, which will also start pulling from the queue and will … the load on the existing workers.

Answer 204

spin up

alleviate

Question 205

We are ready to scale up easily by … … more summarization workers.

Answer 205

spinning up

Question 206

It should also be … enough to let us deal with unexpected problems.

Answer 206

robust

Question 207

As it usually is with system design interviews, it’s most likely possible to find … in this design.

Answer 207

flaws

Question 208

Another way to think about this is that without garbage collection, the developer has the full control … how memory is used, which gives the program much more flexibility and much easier to optimize. That’s one of the reasons why C++ is more efficient. Of course, it’s also … to error.

Answer 208

over

prone

Question 209

What’s cool about garbage collection is quite obvious. It allows developers … … about memory management and write more … code. … … … …, it may affect the performance and provide less flexibility when working with memory.

Answer 209

care less
robust
On the flip side

Question 210

The most notable problem is that the entire system must be suspended during garbage collection. In other words, once in a while, the program will be frozen when doing garbage collection and no … of the working set … … …. Thus, it’ll significantly affect the performance of time-critical applications.

Answer 210

mutation

can be allowed

Question 211

In a …, the problem of LFU is that sometimes an item is only used frequently in the past, but LFU will still keep this item for a long while. W-TinyLFU solves this problem by calculating frequency within a time window. It also has various optimizations of storage.

Answer 211

nutshell

Question 212

To discuss concurrency, I’d like to talk about why there is concurrency issue with cache and how can we … it.

Answer 212

address

Question 213

The common solution of course is using a lock. The … is obvious – it … the performance a lot. How can we optimize this?

Answer 213

downside

affects

Question 214

One approach is to split the cache into multiple shards and have a lock for each of them so that clients won’t wait for each other if they are updating cache from different shards. However, given that hot entries are more likely to be visited, … shards will be more often locked than others.

Answer 214

certain

Question 215

A good way to think about this is that to improve space complexity, what should we …? Since we still want to keep the time complexity O(1), one thing we can … is accuracy. If we can’t guarantee to return the most accurate number, can we use less space?

Answer 215

sacrifice

compromise

Question 216

When a single machine gets too many traffic and performance becomes an issue, it’s the perfect time to think of distributed solution. Distributed system significantly reduces the … of a single machine by scaling the system to multiple nodes, but at the same time adding complexity.

Answer 216

burden

Question 217

Facing this question, most people’s minds … … as the question is just too … and they don’t know where to start. Just the storage itself is non-trivial as serving videos/images … to billions of users is extremely complicated.

Answer 217

go blank
broad
seamlessly

Question 218

It’s worth to note that checking corner cases in the beginning is very necessary. Although the code is quite …, it’s easy to make mistakes about boundaries.

Answer 218

concise

Question 219

writes code that is syntactically correct and does what it is intended to do; builds maintainable and readable code; writes … code.

Answer 219

idiomatic

Question 220

I remember my heart … when I was reading that.

Answer 220

sank

Question 221

I was completely … … by the whole outcome.

Answer 221

bummed out

Question 222

take … and be persistent.

Answer 222

initiative

Question 223

take … and be persistent.

Answer 223

initiative

Question 224

you should also be able to see potential … and challenges with your solutions.

Answer 224

roadblocks

Question 225

It all … … to graphs.

Answer 225

comes down

Question 226

Q: How many typeahead suggestions … … … provided?

Answer 226

are to be

Question 227

Every search query done should … into the system for an update.

Answer 227

feed

Question 228

Does this problem require tight consistency? Or is it okay if things are … consistent?

Answer 228

eventually

Question 229

If search typeahead is not available, the site would still keep working. However, it will lead to a much … experience.

Answer 229

degraded

Question 230

As mentioned earlier, writes compete with read. … writes and Offline updates can be used to improve read efficieny.

Answer 230

Sampling

Question 231

She is a … woman.

Answer 231

frugal; froooo.gel

Question 232

Let’s … deeper into every component one by one.

Answer 232

dig

Question 233

Machines will fail and … will network.

Answer 233

so

Question 234

Most distributed caching systems are good with availability and they become … consistent. But they are not … consistent.

Answer 234

eventually

tightly

Question 235

If changes are not atomic, the system is not tightly consistent anymore. I might see different … based on when I query the system.

Answer 235

views

Question 236

If the server goes down, then the routing service should know instantly to route to the new server which starts with a … cache.

Answer 236

cold

Question 237

we can … the space complexity to improve the time complexity.

Answer 237

we can sacrifice the space complexity to improve the time complexity.

Question 238

You must also deal … with own/others failures and mistakes

Answer 238

constructively

Question 239

Please plan … arriving about 20-30 minutes early for check-in.

Answer 239

on

Question 240

If you make it to HC it’s pretty much a …

Answer 240

sure shot

Question 241

Don’t be afraid to self-… if you learned something from the situation.

Answer 241

critique

Question 242

One lesson we learned from this example is that only two … intervals are able to overlap.

Answer 242

nearby

Question 243

The time complexity of sorting is O(NlogN) and the checking overlap is O(N). So … it’s O(NlogN).

Answer 243

overall

Question 244

We are moving tomorrow so things are …

Answer 244

hectic

Question 245

We have … help so it should be ok.

Answer 245

hired

Question 246

Each time, move forward end pointer … 1 character and use the hashset to check if the … added character has already existed.

Answer 246

by

newly

Question 247

Often,
interviewers
 will 
give 
hints 
if 
you
 appear 
to 
be 
…

Answer 247

stuck

Question 248

If 
you
 get
 stuck,
 don’t 
be 
… 
to 
let 
them 
know
 and

politely 
ask
 for
 a 
hint.

Answer 248

afraid

Question 249

In
 fact,
 only
 one
 thread 
… … 
run
 at 
any
 given 
time.


Answer 249

is 
being

Question 250

What
 you
 don’t
 want 
to
 do 
is
 start 
… 
it 
all 
out!


Answer 250

multiplying

Question 251

Then map the whole word to the … of prime numbers of its characters.

Answer 251

multiples

Question 252

Listener/Observer Pattern: This may be the most popular design pattern out there. The idea is this: suppose there were an e‐mail list for Hacking a Google Interview (unfortunately there isn’t one, but if we had been a bit more … …, perhaps we would have made one).

Answer 252

forward‐thinking

Question 253

Since XOR is commutative and is its own inverse, each integer in the array that appears twice will … itself …, and we’ll be left with the integer we’re looking for.

Answer 253

cancel itself out

Question 254

Then we can set a minimum priority that a page … have to be crawled.

Answer 254

must

Question 255

What Google Assistant is also good at is answering … … questions, so you can ask to see movies showing nearby and then … … your search to just comedy films.

Answer 255

follow up

narrow down

Question 256

!==

Answer 256

not equal value or not equal type

Question 257

Siri was intended to launch specifically as a travel and entertainment …

Answer 257

concierge

Question 258

These are hard problems and when you’re a company dealing with up to a billion people, the problems get harder …

Answer 258

yet

Question 259

I dropped it last night and cracked the glass. I’m going to … … by the shop this afternoon to see how much a replacement screen will cost.

Answer 259

take it

Question 260

Hey, you’re … … the whole bed.

Answer 260

taking up

Question 261

Telegram’s … …. all of my phone memory.

Answer 261

Taking up

Question 262

It … … a lot of space.

Answer 262

took up

Question 263

I don’t want to … … a lot of your time.

Answer 263

take up

Question 264

… … those guys before it’s too late.

Answer 264

Clue in

Question 265

You clearly don’t know who you’re talking to, so let me … you …

Answer 265

clue

in

Question 266

At the other extreme, NLP involves “understanding” complete human …, at least to the extent of being able to give useful responses to them.

Answer 266

utterances

Question 267

Natural language processing (NLP) is a collective term referring to automatic computational processing of human languages. This includes both algorithms that take human-produced text as input, and algorithms that produce natural … text as outputs.

Answer 267

looking

Question 268

The method is naive because it assumes that features are independent … each other.

Answer 268

of

Question 269

But don’t be … - it just means each point in hypercube is a list of n numbers.

Answer 269

intimitated

Question 270

Build … comunities of facebook users.

Answer 270

disjoint

Question 271

Each number represents the … of the sound wave at 1/16000th of a second intervals.

Answer 271

amplitude

Question 272

The way you train them is that you get feedback from the error you’ve made and you just force your … so that it captures the irregularities that you may not be aware of.

Answer 272

bait

Question 273

K-nearest neighbors is a relatively simple algorithm to visualize but there are a few different … we should understand too.

Answer 273

wrinkles

Question 274

As the dimensionality increases, both the efficiency and … of k-nearest neighbors suffer.

Answer 274

efficacy

Question 275

before any javascript is executed, all function declarations are … to the top of their current scope.

Answer 275

hoisted

Question 276

This type of syntax, writing function expressions that pass a function into another function inline, is really common in JavaScript. It can be a little tricky at first, but be patient, keep practicing, and you’ll start to … … … … …!

Answer 276

get the hang of it

Question 277

on the … hand

on the other hand

Answer 277

one

Question 278

The … of dimentionality

Answer 278

curse

Question 279

In Cassandra, “wide rows” means that there … be more than one row per partition.

Answer 279

can

Question 280

Fastai might appeal to the boot-camp mindset but I am not completely … … … yet.

Answer 280

sold on it

Question 281

I am sure anyone you support has done and said something you wouldn’t say. That is what makes … different from worship.

Answer 281

solidarity

Question 282

o effectively communicate, we must realize that we are all different in the way we … the world and use this understanding as a guide to our communication with others.

Answer 282

perceive

Question 283

Our company … … … during financial crisis.

Answer 283

went belly up

Question 284

… … those guys before it’s too late.

Answer 284

Clue in

Question 285

Apple’s New iPhone Recycling Robot “Daisy” is …

Answer 285

impressive

Question 286

I am sure anyone you support has done and said something you wouldn’t say. That is what makes … different from worship.

Answer 286

solidarity

Question 287

Please continue to develop it.

Answer 287

Compassion

Question 288

I’m against … hejab and I was forced to wear it in Iran until I was 20.

Answer 288

compulsory

Question 289

Consistency on nodes that are not in quorum is not kept, but they will be … consistent.

Answer 289

eventually

Question 290

To prevent read speed from …, compaction runs in the background, merging sstables together.

Answer 290

deteriorating

Question 291

Google’s talk to books sounds amazing, but after playing with it, what I am … to discover is novelty and the level of genius that we are trained to expect from Google. So, instead of web pages now book pages are indexed? What is so novel about this?

Answer 291

failing

Question 292

At this panel we specifically spoke about how the defense of Iranian women’s rights, democracy and human rights is often co-opted by …
, and becomes a tool to incite war, hatred, and racism.

Answer 292

neocons