Interview Experience
LeetCode #226: Invert Binary Tree. Difficulty: Easy. Topics: Tree, Depth-First Search, Breadth-First Search, Binary Tree. Asked at Google in the last 6 months.
Original Source
This is a frequency-tagged signal. The full problem statement lives on the original source.
View original →Topics
Binary Tree
Breadth-First Search
Depth-First Search
Tree
Binary Tree
Graph