...

/

Design In-Memory File System

Design In-Memory File System

Try to solve the Design In-Memory File System problem.

Statement

Design an in-memory file system. The skeleton for the class FileSystem is provided to you. Simulate the following functions:

  • ls: You’re given a string representing a path. If it is a file path, return a list that only contains the file’s name. If it is a directory path, return the list of files and directory names in this directory. Your function should return the output (file and directory names together) in lexicographical order.

  • mkdir: If you have a directory path that does not exist, make a new directory according to the given path. The function should create all the middle directories in the path if they don’t exist.

  • AddContentToFile: You’re given a file path and file content in string format. If the file doesn’t exist, create that file containing the given content. If the file already exists, append the given content ...