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Affirm
Previous Year Questions
Parse Lisp Expression
Hard
Insert Delete GetRandom O(1) - Duplicates allowed
Hard
Max Area of Island
Medium
Insert Delete GetRandom O(1)
Medium
Design Hit Counter
Medium
Group Anagrams
Medium
Trapping Rain Water
Hard
Word Ladder
Medium
Number of Islands
Medium
Two Sum
Easy
Coin Change
Medium
Kth Smallest Element in a BST
Medium
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