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Affirm Interview Questions (12)

Practice real interview problems from Affirm

All12 Easy2 Medium7 Hard3

Status	Title	Solution	Practice	Difficulty	Companies	Topics
	49. Group Anagrams	Solution	Solve	Medium	Accolite+90	Array Hash Table+2
	242. Valid Anagram	Solution	Solve	Easy	Accenture+40	Hash Table Sorting+1
	322. Coin Change	Solution	Solve	Medium	Accenture+41	Array Breadth-First Search+1
	362. Design Hit Counter	Solution	Solve	Medium	Affirm+20	Array Binary Search+3
	380. Insert Delete GetRandom O(1)	Solution	Solve	Medium	Affirm+41	Array Design+3
	381. Insert Delete GetRandom O(1) - Duplicates allowed	Solution	Solve	Hard	Affirm+11	Array Design+3
	443. String Compression	Solution	Solve	Medium	Adobe+42	String Two Pointers
	465. Optimal Account Balancing	Solution	Solve	Hard	Affirm+10	Array Backtracking+3
	736. Parse Lisp Expression	Solution	Solve	Hard	Affirm+3	Hash Table Recursion+2
	933. Number of Recent Calls	Solution	Solve	Easy	Affirm+9	Data Stream Design+1
	3076. Shortest Uncommon Substring in an Array	Solution	Solve	Medium	Affirm+3	Array Hash Table+2
	3163. String Compression III	Solution	Solve	Medium	Affirm+7	String

Group Anagrams

Medium✓ Solution📹 Video

Accolite+90

Array Hash Table Sorting+1

Valid Anagram

Easy✓ Solution📹 Video

Accenture+40

Hash Table Sorting String

Coin Change

Medium✓ Solution📹 Video

Accenture+41

Array Breadth-First Search Dynamic Programming

Design Hit Counter

Medium✓ Solution

Affirm+20

Array Binary Search Data Stream+2

Insert Delete GetRandom O(1)

Medium✓ Solution

Affirm+41

Array Design Hash Table+2

Insert Delete GetRandom O(1) - Duplicates allowed

Hard✓ Solution

Affirm+11

Array Design Hash Table+2

String Compression

Medium✓ Solution

Adobe+42

String Two Pointers

Optimal Account Balancing

Hard✓ Solution

Affirm+10

Array Backtracking Bit Manipulation+2

Parse Lisp Expression

Hard

Affirm+3

Hash Table Recursion Stack+1

Number of Recent Calls

Easy✓ Solution

Affirm+9

Data Stream Design Queue

Shortest Uncommon Substring in an Array

Medium

Affirm+3

Array Hash Table String+1

String Compression III

Medium✓ Solution

Affirm+7