National Park – BPC Definition: We are building a system that can track the campgrounds at a National Park as well as the attractions available for gues…

You can select any programming language. Implement a basic Pub/Sub following the given interface. // Interface interface Subscription { unsubscribe(): v…

You are to build a simple key-value store for storing integers (keys are strings, values are integers) and a global version number (integer). You will n…

We are designing a system for officers to check out a body worn camera from a pool of available cameras. We need an object to store a collection of came…

Problem: Given a 2D array of integers representing a paint canvas, where each integer represents a color, write a function that takes a point in the arr…

Design a new service for users to create playlists and store songs in them. Functional requirements Users can create any number of playlists. Users can…

Point value -> 2 Cost -> 5B 3G Card Color <- G Notation: Red – R, Blue – U, Black – B, Green – G, White – W In this game, players will have a s…

Robinhood is famous for its referral program. It’s exciting to see our users spreading the word across their friends and family. One thing that is inter…

Two strings are said to be similar if they are composed of the same characters. For example, “abaca” and “cba” are similar since both of them are compos…

Given an array of N integers containing integers from 1 to N only. Some numbers may appear multiple times, some numbers may not appear. Write code to pr…

Implement the functionality of the “find” command in UNIX as an API that returns a list of files matching the provided search parameters. The search sho…

Finding Squares Square employees are internally referred to as "squares." Recruiting is about finding quality squares. In this exercise, you w…

Implement a queue which has addFront , addBack , popFront , popBack , and getSize in O(1) . Find out how close two words are to being anagrams of each o…

Question Statement Write a function that returns true if a given string is a palindrome (a palindrome is a string that is the same when reversed, if you…

Part 1 prompt: Stripe in Brazil is obliged to register customers’ transactions for each merchant with the central bank as an aggregated unit per day. Th…

Given an array A and a number b. Return a reordered array such that all numbers before b are smaller than or equal to b, and all numbers after b are gre…

Best Average Grade Implement the function best_average_grade(exam_grades: List[Tuple[str, int]]) -> Tuple[str, float] . Given a list of students and…

Calculate the IoU filter during detecting. Question description Input = [[x, y, width, length, label, conf], …] 这道题的核心是在目标检测结果中，根据每个框的位置和尺寸计算 IoU（交并比）…

Imagine you work at a recruitment company and are asked to develop a talent listings service designed to fan out user profiles seeking employment by pub…

You have an array containing N elements, and each element has a score. In each step, you can pop an element from the leftmost or the rightmost position…