Affirm LeetCode interview questions

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Problem	Difficulty	Frequency	Acceptance
Insert Delete GetRandom O(1) Array Hash Table Math +2 MEDIUM	Medium	100.0%	0.6%
Shortest Uncommon Substring in an Array Array Hash Table String +1 MEDIUM	Medium	87.5%	0.5%
Parse Lisp Expression Hash Table String Stack +1 HARD	Hard	78.2%	0.5%
Insert Delete GetRandom O(1) - Duplicates allowed Array Hash Table Math +2 HARD	Hard	69.3%	0.4%
Design Hit Counter Array Binary Search Design +2 MEDIUM	Medium	65.0%	0.7%
Group Anagrams Array Hash Table String +1 MEDIUM	Medium	59.5%	0.7%
Valid Anagram Hash Table String Sorting EASY	Easy	59.5%	0.7%
String Compression Two Pointers String MEDIUM	Medium	51.8%	0.6%
Coin Change Array Dynamic Programming Breadth-First Search +2 MEDIUM	Medium	51.8%	0.5%
Optimal Account Balancing Array Dynamic Programming Backtracking +2 HARD	Hard	51.8%	0.5%

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Affirm LeetCode Interview Questions | Grind Practice