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Visa LeetCode Questions 2026

Browse LeetCode problems frequently asked by Visa. 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
Two Sum	EASY	100%	ArrayHash Table
Longest Substring Without Repeating Characters	MEDIUM	100%	Hash TableStringSliding Window
Longest Palindromic Substring	MEDIUM	75%	Two PointersStringDynamic Programming
Longest Common Prefix	EASY	62.5%	ArrayStringTrie
3Sum	MEDIUM	87.5%	ArrayTwo PointersSorting
Valid Parentheses	EASY	75%	StringStack
Trapping Rain Water	HARD	75%	ArrayTwo PointersDynamic ProgrammingStackMonotonic Stack
Group Anagrams	MEDIUM	75%	ArrayHash TableStringSorting
Maximum Subarray	MEDIUM	75%	ArrayDivide and ConquerDynamic Programming
Divisor Game	EASY	75%	MathDynamic ProgrammingBrainteaserGame Theory
Plus One	EASY	37.5%	ArrayMath
Text Justification	HARD	100%	ArrayStringSimulation
Best Time to Buy and Sell Stock	EASY	87.5%	ArrayDynamic Programming
Count Nodes With the Highest Score	MEDIUM	75%	ArrayTreeDepth-First SearchBinary Tree
Two Furthest Houses With Different Colors	EASY	75%	ArrayGreedy
Reverse Words in a String	MEDIUM	37.5%	Two PointersString
Earliest Possible Day of Full Bloom	HARD	75%	ArrayGreedySorting
Split the Array	EASY	100%	ArrayHash TableCounting
Match Alphanumerical Pattern in Matrix I	MEDIUM	75%	ArrayHash TableStringMatrix
Maximum Number of Events That Can Be Attended	MEDIUM	75%	ArrayGreedySortingHeap (Priority Queue)

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