Karat - VO Prep

Karat Karat / VO 面试真题解析：Obstacle Course Run Collection 数据建模与统计

We are writing software to collect and manage data on how fast racers can complete obstacle courses. An obstacle course is a series of difficult physica…

Karat Karat / VO 面试真题解析：Snowy Mountain Crossing

You are planning a trek across a snowy mountain. On the mountain, it snows in the morning, the snow melts with the sun in the afternoon, and in the even…

Karat Karat / VO 面试真题解析：Badge Access Log 缺失进出记录统计

We are working on a security system for a badged-access room in our company’s building. Given an ordered list of employees who used their badge to enter…

Karat Karat / VO 面试真题解析：Log File 日志解析与超速判断

We are writing software to analyze logs for toll booths on a highway. This highway is a divided highway with limited access; the only way on to or off o…

Karat Karat VO 面试真题解析：Shopping List Department Visits

Given an unsorted list of products with their departments and a shopping list, return the time saved in terms of the number of department visits elimina…

Karat Karat VO 面试真题解析：按年份统计收入计算器（Income Calculator by Year）

Task: Implement the following problem Write a unit test for the implementation We want to implement an income calculator that, given a compensation pack…

Karat Karat / VO 面试真题解析：找出任意两位学生共享的课程

You are a developer for a university. Your current project is to develop a system for students to find courses they share with friends. The university h…