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Newest 'interview-questions' Questions - Code Review Stack Exchange
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Learn more about TeamsQuestions tagged [interview-questions]
This tag is for questions that came up in an interview.
964 questions
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10
votes
3
answers
2k
views
C++ std::optional implementation for tech interview
I'm preparing for entry-level C++ developer interview and decided to implement some of std:: members. Here's my implementation of std::optional. I would be grateful ...
0
votes
3
answers
180
views
Java exceptions that show the message when converted to String
I’m working with custom exceptions in Java for stack operations. However, I’m unsure if the exception handling is being handled properly, especially in terms of how exceptions are thrown and caught. ...
4
votes
1
answer
101
views
File list and monitor
I recently was given a take home assignment for a job interview. The task was specified like so:
...
5
votes
2
answers
219
views
Tetris logic for interview
I would appreciate feedback on the code below which I created during an one-hour live interview session. In particular, while the interviewer pretty much said nothing during the interview, their ...
5
votes
2
answers
641
views
Thread-safe write-efficient register() method for a Load balancer
The code below was written for an interview question of designing a load balancer with only a register() method.
...
13
votes
8
answers
2k
views
Counting Occurrences of a Specific 3-Bit Pattern in a Byte Array
I was asked this problem in an interview, and this is the solution I came up with. I was told it's not the most efficient solution, but I can't think of any other solution. This is the problem.
...
4
votes
4
answers
206
views
Reversing string in PHP
I got this task to evaluate my knowledges in PHP.
I was asked to avoid using functions like strrev() or array_reverse().
...
Stacanovist
2
votes
2
answers
145
views
A thread-safe performant Money Transfer API in Java
This is a popular interview question. It is meant to be done within 30 minutes. The task is to implement a thread-safe performant Bank Account API that allows to transfer, deposit, withdraw and check ...
7
votes
2
answers
1k
views
A thread-safe performant URL Shortener in Java
This is a popular interview question. It is meant to be done within 45 minutes. The task is to implement a thread-safe performant in-memory URL Shortener.
My implementation is based on two maps that ...
5
votes
1
answer
535
views
Create an address self-complete bar
I recently received the following code challenge in connection with a job interview. After submitting, I was rejected. I want to know what (if anything) I could have done better here.
Task
Your task ...
5
votes
1
answer
261
views
String character changes (case insensitive) - Go
I saw this question on one of the socials, presented as an Apple interview question. I have had to paraphrase as it was not given in text format. (Credit: Instagram @greghogg5)
Given a string (S) ...
4
votes
1
answer
194
views
Last Stone Weight Problem in Haskell using list `insert`
Background
Saw this problem on TheJobOverflow which seems to be a LeetCode question.
It bothered me that the "challenge" of this problem was to recognize the need for a specific data-type (...
11
votes
4
answers
2k
views
Simple Key Value Database using C
I was recently doing an assignment for a job interview, which asked to create a simple key value database with 4 command line operations:
create key value: Adds a key value pair/updates an existing ...
3
votes
3
answers
248
views
Extracting records from a 2D List of strings
Recently I had an interview question about extracting records that matched certain criteria from a 2D List of strings. The premise was a CSV file was parsed into a ...
2
votes
1
answer
127
views
Simple Curry function
This is a interview practice question from BFE.dev.
Currying is a useful technique used in JavaScript applications.
Please implement a curry() function, which ...
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