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Sofi LeetCode Questions 2026

Browse LeetCode problems frequently asked by Sofi. Filter by difficulty and timeframe to focus your interview prep.

Last updated: 10 July 2026

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Timeframe

Difficulty

Problem	Difficulty	Frequency	Topics
Number of Islands	MEDIUM	75%	ArrayDepth-First SearchBreadth-First SearchUnion-FindMatrix
Minimum Window Substring	HARD	87.5%	Hash TableStringSliding Window
Asteroid Collision	MEDIUM	75%	ArrayStackSimulation
Longest Mountain in Array	MEDIUM	100%	ArrayTwo PointersDynamic ProgrammingEnumeration
Degree of an Array	EASY	75%	ArrayHash Table
Minimum Number of Steps to Make Two Strings Anagram	MEDIUM	100%	Hash TableStringCounting
Insert Delete GetRandom O(1)	MEDIUM	100%	ArrayHash TableMathDesignRandomized
LRU Cache	MEDIUM	75%	Hash TableLinked ListDesignDoubly-Linked List
Merge k Sorted Lists	HARD	62.5%	Linked ListDivide and ConquerHeap (Priority Queue)Merge Sort
Maximum Number of Non-overlapping Palindrome Substrings	HARD	87.5%	Two PointersStringDynamic ProgrammingGreedy
Top K Frequent Elements	MEDIUM	87.5%	ArrayHash TableDivide and ConquerSortingHeap (Priority Queue)Bucket SortCountingQuickselect
Meeting Scheduler	MEDIUM	62.5%	ArrayTwo PointersSorting
Maximum Number of Alloys	MEDIUM	62.5%	ArrayBinary Search
Word Ladder	HARD	62.5%	Hash TableStringBreadth-First Search
Text Justification	HARD	62.5%	ArrayStringSimulation

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