coding
Medium
Verified
Door Swipes
Category: Interval-based coding problem# Question Given a list of people who enter and exit, find the people who entered without their badge and who exited without their badge. This...Input: List
Output: Array
coding
Medium
Verified
Agent Vote
Category: String coding problem# Question Design a Customer Support Ticket System that allows customers to rate support agents on a scale of 1 to 5. You need to implement...Input: List
Output: Array
coding
Medium
Verified
Middleware Router
Category: String coding problem# Question We want to implement a middleware router for our web service, which based on the path returns different strings. This problem is split...Input: String
Output: Computed result
coding
Hard
Verified
Tennis Court Bookings
Category: Algorithm coding problem# Question The input is a list of tennis court bookings, where each booking includes a start and end time. You need to write a program that assigns...Input: List
Output: Integer
coding
Easy
Verified
Word Wrap
Category: String coding problem# Question Implement a function that formats a list of words into lines, separating them with hyphens, while ensuring no line exceeds a maximum...Input: Array of strings
Output: Computed result
coding
Medium
Verified
Design Rate Limiter
Category: Sliding window coding problem# Design Rate Limiter Design a rate limiter system that controls the number of requests allowed within a specified time window. The rate limiter is...Input: String
Output: Computed result
coding
Medium
Verified
Running Commodity Price
Category: Trie-based coding problemYou are given a stream of data points consisting of
<timestamp, commodityPrice>. You need to design a data structure that supports upserting...Input: Given inputOutput: Integer
coding
Medium
Verified
Shuttle Route Pickup
Category: Graph coding problem# Question Two shuttle buses travel different road networks to reach a festival campsite, picking up passengers at stops along the way. Each bus...Input: Graph (nodes and edges)
Output: Computed result
coding
Medium
Verified
Storage Hierarchy Stats
Category: Trie-based coding problem# Question Design a
StorageHierarchyStats class that manages documents organized into labeled buckets. Buckets can have parent-child relationships...Input: ListOutput: Computed result
coding
Medium
Verified
Path Router
Category: Algorithm coding problem# Question Design a
PathRouter class that maps URL-like path patterns to handler names. Patterns may contain wildcard segments (*) that match any...Input: Number(s)Output: Computed result
coding
Easy
Verified
Snowpack Trail
Category: Array coding problem# Question You are planning a hiking trip along a trail represented as an elevation array. Snow accumulates or melts on the trail each day according...Input: Array
Output: Computed result
coding
Medium
Verified
Rocket Launch Board
Category: Algorithm coding problem# Question You are building a simulator for a board game called Rocket Launch. The board has numbered squares from 1 to
boardSize. On each...Input: Number(s)Output: Computed result
coding
Easy
Verified
Anagram Substring Search
Category: String coding problem# Question You are given a list of keywords and a text string
t. Return the first keyword from the list such that any anagram of that keyword...Input: ListOutput: Computed result
coding
Medium
Verified
Worm Game
Category: Grid/matrix coding problem# Question Design a
WormGame class that simulates a worm moving on a 2D grid. The worm starts at the top-left corner (0, 0) with length 1. It...Input: 2D gridOutput: Computed result
coding
Medium
Verified
Jump Board
Category: Array coding problem# Question You are given a 1D board represented as an array of instruction strings. You start at index 0. On each step, you follow the instruction at...Input: Array
Output: Computed result
coding
Medium
Verified
Plan Billing
Category: Algorithm coding problem# Question Design a
PlanBilling class that tracks subscription charges on a daily basis and provides monthly and annual billing summaries....Input: Given inputOutput: Computed result
coding
Medium
Verified
Racing Lap Stats
Category: Algorithm coding problem# Question You are analyzing race lap data for a set of drivers. Each driver has a list of lap times and a set of laps flagged as pit-stop laps...Input: List
Output: Computed result
coding
Easy
Verified
Warehouse Trip Saver
Category: Algorithm coding problem# Question A warehouse is organized into sections. Each product belongs to exactly one section. An employee has a pick list of products to collect....Input: List
Output: Integer
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