File System Directory Simulator

Hard Applied OOP Mini Projects PRO

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Problem Statement

Model a hierarchical file system with `File` and `Directory` classes. Support `mkdir name` and `touch name` inside root, then print sorted list of names.

Input Format

Line 1: N commands (mkdir x or touch y).

Output Format

Print sorted space-separated names of created items.

Constraints

1 <= N <= 20

Sample Input

3
mkdir docs
touch note.txt
mkdir bin

Sample Output

bin docs note.txt

Explanation

Items created in root sorted alphabetically.

Starter Code

class Node:
    pass

class Directory:
    pass

if __name__ == '__main__':
    # Implement I/O logic here
    pass

Limits

Time Limit: 1s
Memory Limit: 256MB

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