K5kC | Code & More
Computer Science
Algorithms
Programming Languages
Database
System Design
Problems
Blind 75
Difficulty: Easy
Difficulty: Medium
Difficulty: Hard
Videos
Projects
Android
Data Science
Computer Vision
Simulations
Tools
UUID Generator
Code Formatter
Search
⌘K
Delete Nodes And Return Forest
Copy title
Copy link
medium
Solve on LeetCode
3 Subtopics
2 Companies
Last edited: September 23, 2025
video explanation
Related Tags
binary-tree
concurrency
counting
database
dfs
hash-table
leetcode
math
stack
string
traversal/postorder
video
Please enable JavaScript to view the
comments powered by Disqus.
Delete Nodes And Return Forest - Coding Problem | K5kC