Palo Alto Networks Coding & Algorithms Interview Questions
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Palo Alto Networks
Medium
Software EngineerDesign an O(1) eviction cache
Implement an in-memory key–value cache with fixed capacity that evicts the least recently used entry when full. Support get(key) -> value or -1 if mis...
Coding & Algorithms
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0
Sep 6, 2025
Palo Alto Networks
Medium
Software EngineerFind normalized list difference efficiently
Given two lists of strings, list1 and list2, return all elements that appear in list1 but not in list2 after applying a consistent normalization step ...
Coding & Algorithms
0
0
Sep 6, 2025
Palo Alto Networks
Medium
Software EngineerMirror a binary tree and analyze complexity
Given the root of a binary tree, convert it to its mirror by swapping every node’s left and right children. Implement both recursive and iterative (us...
Coding & Algorithms
0
0
Sep 6, 2025