DoorDash Hash Table Questions

19 hash table problems asked at DoorDash interviews

Easy (4)Medium (8)Hard (7)

Questions

Title	Difficulty	Acceptance	Frequency
Design File System	Medium	65.1%	72.1%
Check if One String Swap Can Make Strings Equal	Easy	49.5%	66.8%
Design In-Memory File System	Hard	48.4%	65.0%
Buddy Strings	Easy	33.9%	65.0%
Minimum Number of Steps to Make Two Strings Anagram	Medium	82.5%	64.0%
Vertical Order Traversal of a Binary Tree	Hard	53.3%	50.7%
Implement Trie (Prefix Tree)	Medium	69.2%	50.7%
Two Sum	Easy	57.1%	48.4%
Minimize Malware Spread	Hard	43.0%	38.6%
Sliding Window Median	Hard	38.9%	38.6%
Sudoku Solver	Hard	65.4%	33.6%
Binary Tree Vertical Order Traversal	Medium	57.8%	33.6%
LRU Cache	Medium	46.8%	33.6%
Insert Delete GetRandom O(1)	Medium	55.3%	33.6%
Similar String Groups	Hard	56.1%	33.6%
Integer to Roman	Medium	70.5%	33.6%
LFU Cache	Hard	48.6%	26.7%
Group Anagrams	Medium	72.2%	26.7%
Roman to Integer	Easy	66.3%	26.7%

Showing 19 questions