LeetCode Experience

#631 Design Excel Sum Formula

Interview Experience

LeetCode #631: Design Excel Sum Formula. Difficulty: Hard. Topics: Array, Hash Table, String, Graph Theory, Design, Topological Sort, Matrix. Asked at Airbnb 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

Design Graph Theory Topological Sort Arrays Graph Hash Table Matrix Strings