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Wells Fargo LeetCode Questions 2026

Browse LeetCode problems frequently asked by Wells Fargo. 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
Shortest and Lexicographically Smallest Beautiful String	MEDIUM	100%	StringSliding Window
Maximum Number of Weeks for Which You Can Work	MEDIUM	62.5%	ArrayGreedy
Product of Array Except Self	MEDIUM	62.5%	ArrayPrefix Sum
Rotate String	EASY	75%	StringString Matching
Verbal Arithmetic Puzzle	HARD	87.5%	ArrayMathStringBacktracking
Merge Strings Alternately	EASY	75%	Two PointersString
Kth Largest Element in a Stream	EASY	62.5%	TreeDesignBinary Search TreeHeap (Priority Queue)Binary TreeData Stream
Spiral Matrix	MEDIUM	62.5%	ArrayMatrixSimulation
Longest Common Prefix	EASY	62.5%	ArrayStringTrie
Minimum String Length After Removing Substrings	EASY	87.5%	StringStackSimulation
Maximum Subarray	MEDIUM	62.5%	ArrayDivide and ConquerDynamic Programming
Number of Islands	MEDIUM	75%	ArrayDepth-First SearchBreadth-First SearchUnion-FindMatrix
Count Vowel Substrings of a String	EASY	62.5%	Hash TableString
LFU Cache	HARD	62.5%	Hash TableLinked ListDesignDoubly-Linked List
Meeting Rooms II	MEDIUM	62.5%	ArrayTwo PointersGreedySortingHeap (Priority Queue)Prefix Sum
Backspace String Compare	EASY	62.5%	Two PointersStringStackSimulation
Intersection of Two Linked Lists	EASY	62.5%	Hash TableLinked ListTwo Pointers
Valid Parentheses	EASY	75%	StringStack
LRU Cache	MEDIUM	62.5%	Hash TableLinked ListDesignDoubly-Linked List
Maximum Earnings From Taxi	MEDIUM	62.5%	ArrayHash TableBinary SearchDynamic ProgrammingSorting

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