Interview Experience
LeetCode #257: Binary Tree Paths. Difficulty: Easy. Topics: String, Backtracking, Tree, Depth-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
Depth-First Search
Tree
Backtracking
Binary Tree
Graph
Strings