LeetCode Experience

#987 Vertical Order Traversal of a Binary Tree

Interview Experience

LeetCode #987: Vertical Order Traversal of a Binary Tree. Difficulty: Hard. Topics: Hash Table, Tree, Depth-First Search, Breadth-First Search, Sorting, Binary Tree. Asked at Oracle 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 Hash Table Sorting