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Palo Alto Networks LeetCode Questions 2026

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

Last updated: 20 Feb 2026

Timeframe

Difficulty

Problem	Difficulty	Frequency	Topics
Longest Substring Without Repeating Characters	MEDIUM	75%	Hash TableStringSliding Window
Median of Two Sorted Arrays	HARD	62.5%	ArrayBinary SearchDivide and Conquer
Find the Longest Equal Subarray	MEDIUM	100%	ArrayHash TableBinary SearchSliding Window
Group Anagrams	MEDIUM	50%	ArrayHash TableStringSorting
Binary Tree Level Order Traversal	MEDIUM	62.5%	TreeBreadth-First SearchBinary Tree
LRU Cache	MEDIUM	100%	Hash TableLinked ListDesignDoubly-Linked List
Min Stack	MEDIUM	75%	StackDesign
String Compression	MEDIUM	87.5%	Two PointersString
Meeting Rooms	EASY	50%	ArraySorting
Minimum Path Sum	MEDIUM	62.5%	ArrayDynamic ProgrammingMatrix
Word Break	MEDIUM	50%	ArrayHash TableStringDynamic ProgrammingTrieMemoization
Design HashMap	EASY	50%	ArrayHash TableLinked ListDesignHash Function
Two Sum	EASY	50%	ArrayHash Table
Merge Two Sorted Lists	EASY	50%	Linked ListRecursion
Integer to Roman	MEDIUM	50%	Hash TableMathString
Shortest Path in Binary Matrix	MEDIUM	50%	ArrayBreadth-First SearchMatrix
Sliding Window Maximum	HARD	50%	ArrayQueueSliding WindowHeap (Priority Queue)Monotonic Queue
Top K Frequent Words	MEDIUM	50%	ArrayHash TableStringTrieSortingHeap (Priority Queue)Bucket SortCounting
Insert Delete GetRandom O(1)	MEDIUM	62.5%	ArrayHash TableMathDesignRandomized
Restore IP Addresses	MEDIUM	62.5%	StringBacktracking

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