VO Prep
  • 🏠 Home
  • 📘 Cases
  • 🔵 About us
  • 🪙 Services & Prices
  • 📨 Contact Us
  • English
    • English
    • 中文 (中国)
  • 🏠 Home
  • 📘 Cases
  • 🔵 About us
  • 🪙 Services & Prices
  • 📨 Contact Us
  • English
    • English
    • 中文 (中国)
  1. Home
  2. Unicorns
  3. Article list
Unicorns VO Interview Coding Question: Rotate an Image 90 Degrees Clockwise

Unicorns Unicorns VO Interview Coding Question: Rotate an Image 90 Degrees Clockwise

Rotate an image 90 degrees clockwise. from typing import List def rotate_image(image: List[List[int]]) -> List[List[int]]: pass This problem asks you…

12 Views 0 Comments
Unicorns 2026-05-04
Unicorns OA Coding Interview Question: Reconstruct Itinerary from Boarding Passes

Unicorns Unicorns OA Coding Interview Question: Reconstruct Itinerary from Boarding Passes

Given the following list of boarding passes, write some code which returns the itinerary of the trip. Boarding passes: SYD -> LAX LHR -> DEL SFO -…

14 Views 0 Comments
Unicorns 2026-05-04
Unicorns VO Coding Interview Question: Kth Largest Element in a Binary Search Tree

Unicorns Unicorns VO Coding Interview Question: Kth Largest Element in a Binary Search Tree

Given a Binary Search Tree (BST) and a positive integer k , find the k th largest element in the Binary Search Tree. For example, in the following BST,…

13 Views 0 Comments
Unicorns 2026-04-29
Unicorns OA Coding Interview: Design Components for a Web-Based Streaming Platform

Unicorns Unicorns OA Coding Interview: Design Components for a Web-Based Streaming Platform

Consider streaming services like Max, Netflix, and Hulu. The companies developing these services provide media content to a wide array of users on diffe…

13 Views 0 Comments
Unicorns 2026-04-29
Unicorns VO Interview Question: Determine if a 9 x 9 Sudoku Board Is Valid

Unicorns Unicorns VO Interview Question: Determine if a 9 x 9 Sudoku Board Is Valid

Determine if a 9 x 9 Sudoku board is valid. Only the filled cells need to be validated according to the following rules: Each row must contain the digit…

16 Views 0 Comments
Unicorns 2026-04-29
Unicorns VO Interview Question: Systems Design – Car Share Rental App

Unicorns Unicorns VO Interview Question: Systems Design – Car Share Rental App

Systems Design – Car Share Rental App We are building a car sharing rental app that enables users who want to rent a car to find users who have personal…

15 Views 0 Comments
Unicorns 2026-04-28
Unicorns VO OA Interview Question: Longest Substring Without Repeating Characters

Unicorns Unicorns VO OA Interview Question: Longest Substring Without Repeating Characters

Longest Substring Without Repeating Characters Given a string, find the longest substring that does not contain any repeated characters. Example 1: Inpu…

12 Views 0 Comments
Unicorns 2026-04-28
Unicorns VO Interview Question: React Search Posts from API with Live Filtering

Unicorns Unicorns VO Interview Question: React Search Posts from API with Live Filtering

Create a React app that allows a user to search entries received from the following “posts” API: https://jsonplaceholder.typicode.com/posts A post will…

14 Views 0 Comments
Unicorns 2026-04-28
Unicorns / VO Interview Question: How do you write a SQL query to find duplicate records in a table and remove them?

Unicorns Unicorns / VO Interview Question: How do you write a SQL query to find duplicate records in a table and remove them?

How do you write a SQL query to find duplicate records in a table and how do you remove them? This question tests your ability to identify duplicate row…

13 Views 0 Comments
Unicorns 2026-04-28
Unicorns OA Interview Coding Question: Video Game Attack and Game Over

Unicorns Unicorns OA Interview Coding Question: Video Game Attack and Game Over

We are trying to create a video game in which aliens are attacking a friendly base. You can imagine the base to be a 1D line that goes from 0 to 10. The…

17 Views 0 Comments
Unicorns 2026-04-28
Unicorns VO Interview Question: Implement Promise.all | Coding Interview / Online Assessment

Unicorns Unicorns VO Interview Question: Implement Promise.all | Coding Interview / Online Assessment

Implement Promise.all Promise.all() takes an iterable of Promise objects and returns a single Promise. The returned Promise resolves to an array of resu…

16 Views 0 Comments
Unicorns 2026-04-27
Unicorns VO Coding Interview Question: Rearrange Array to Alternate Positive and Negative Numbers

Unicorns Unicorns VO Coding Interview Question: Rearrange Array to Alternate Positive and Negative Numbers

You are given a 0-indexed integer array nums of even length consisting of an equal number of positive and negative integers. You should return the array…

12 Views 0 Comments
Unicorns 2026-04-27
Unicorns Interview Coding Question: Job Processor with Priority Queue

Unicorns Unicorns Interview Coding Question: Job Processor with Priority Queue

Hyperproof has a feature called Automated Controls Testing , where our users can write tests against data fetched from our Hypersyncs (integrations). Th…

15 Views 0 Comments
Unicorns 2026-04-27
Unicorns / VO Interview Question: Area Under a Piecewise Line Graph | Prefix Sum, Math, Line Area

Unicorns Unicorns / VO Interview Question: Area Under a Piecewise Line Graph | Prefix Sum, Math, Line Area

You are given a graph with X and Y axes. Each axis represents positive integers. We will plot a graph based on given X and Y points. Starting from (0,0)…

17 Views 0 Comments
Unicorns 2026-04-25
Unicorns VO Interview Question: Card Game 4-Card Hand Winning Rules

Unicorns Unicorns VO Interview Question: Card Game 4-Card Hand Winning Rules

Card game N players randomly draw 4 cards per person. Winning rule Same color Same number Sequential This problem describes a 4-card hand evaluation sce…

16 Views 0 Comments
Unicorns 2026-04-25
Unicorns VO OA Interview Questions: Valid Parentheses and Minimum Moves to Make Array Strictly Increasing

Unicorns Unicorns VO OA Interview Questions: Valid Parentheses and Minimum Moves to Make Array Strictly Increasing

Given a string s containing just the characters ( , ) , { , } , [ and ] , determine if the input string is valid. An input string is valid if: Open brac…

21 Views 0 Comments
Unicorns 2026-04-25
Unicorns / VO Interview Problem: Document Search Engine Scoring

Unicorns Unicorns / VO Interview Problem: Document Search Engine Scoring

We’re going to try to build the start of a document search engine. Our search engine should take in a static list of documents — long alphanumeric, lowe…

12 Views 0 Comments
Unicorns 2026-04-25
Unicorns / VO Interview Question: Integer to Binary String and Reverse Depth Sum

Unicorns Unicorns / VO Interview Question: Integer to Binary String and Reverse Depth Sum

Given a non-negative integer, produce a string representation of it in binary. For example: 4 => "100" 15 => "1111" 38 => &…

13 Views 0 Comments
Unicorns 2026-04-25
Axon Interview Coding Question: Subscribe to Entity References in Reports

Unicorns Axon Interview Coding Question: Subscribe to Entity References in Reports

Background Today Axon offers a Records Management System (RMS) tailored for police agencies, designed to handle the management of police records. One cr…

14 Views 0 Comments
Unicorns 2026-04-25
Unicorns Interview Coding Question: Find the Distance Between Two Nodes in a Binary Tree

Unicorns Unicorns Interview Coding Question: Find the Distance Between Two Nodes in a Binary Tree

Find the distance between two nodes in a binary tree. The distance between two nodes is defined as the minimum number of edges to be traversed to reach…

14 Views 0 Comments
Unicorns 2026-04-25
Cases search

Contact me

  • Telegram. https://t.me/csoahelp
  • Whatsapp. +1 818 923 6994
  • Email.csonsitehelp@gmail.com
  • Wechat. csvohelp
wechat

------- WeChat QR Code↑ -----

In order to ensure that I contact and evaluate your interview and assignment as soon as possible, please indicate your specific requirements for the interview and assignment.

Code Guaranteed Unique 100% Plagiarism Free

Complete Confidentiality 100% Confidentiality

Guaranteed Quality 100% Quality Assurance

Friendly reminder

My Google rankings are based on quality and word-of-mouth, not the same as paid rankings with an Ad logo. Programhelp's rankings have never needed to be paid to make a presence.

Adobe
Adyen
Affirm
Airbnb
Akuna Capital
Ali
Alphagrep
Amazon
Anthropic
Apex
Appfolio
Apple
Appliedintuition
Applovin
Apppllp
Arrowstreet
Articul
Asml
Atlassian
Autodesk
Axon
BBC
Block
bloomberg
Bnp
Bookings
Capital One
Centific
Circle
Citadel
Cloudkitchen
CME
coinbase
Cresta
Databrick
Deloitte
Digital+ibm
Doordash
Eclipse
Epic
Experian
Fireworksai
Flexport
Fortinet
Geico
Goldman
Google
Grammarly
GTS
HPE
Hrt
Huawei
Intel
Intuit
Jane
Karat
Kla
Klaviyo
Lendbuzz
LinkedIn
Lyft
Mathworks
Maxxtraderoa
Mckinsey
Meta
Methy
Microsoft
NBCU
Netflix
Nimble Robotics
Nooks
NVIDIA
OA
Okx
openai
Optiver
Oracle
P
Palo
paloalto
Paypal
Pin
Pinterest
Point
Ponyai
Purestorage
QRT
Rbc
Robinhood
Roblox
Rokos Capital
Rubrik
Salesforce
Salient
Scale Ai
Sense
Shopify
Sigma
Snapchat
Snowflake
Sofi
Startup
Statestreet
Stripe
Tesla
Tiktok
Trexquant
Tt
TURO
Two Sigma
Uber
Unicorns
Verisk
Visa
VO
voleon
Waabi
Walmart
Wayfair
Waymo
Weee
Whatnot
Workday
X
千禧年
华为校招
台积电
量化
高盛
Copyright © 2010-2028 All Rights Reserved. Designed by:VOprep.com
 Theme by Puock