Pinterest Hash Table Questions

12 hash table problems asked at Pinterest interviews

Medium (8)Hard (4)

Questions

Title	Difficulty	Acceptance	Frequency
Bus Routes	Hard	47.1%	85.7%
Reorganize String	Medium	56.8%	72.8%
Longest Word in Dictionary	Medium	54.5%	69.8%
Meeting Rooms III	Hard	51.6%	59.2%
Sparse Matrix Multiplication	Medium	69.2%	59.2%
Accounts Merge	Medium	60.9%	42.7%
Top K Frequent Elements	Medium	65.9%	42.7%
Letter Combinations of a Phone Number	Medium	65.5%	42.7%
Implement Trie (Prefix Tree)	Medium	69.2%	34.9%
Sudoku Solver	Hard	65.4%	34.9%
Dot Product of Two Sparse Vectors	Medium	89.9%	34.9%
Smallest Range Covering Elements from K Lists	Hard	70.1%	34.9%

Showing 12 questions