Interview guides / ios
Reverse Linked List: iOS Interview Question
Reverse Linked List interview question with a clear example answer for iOS engineers. Practice with AceMobileInterview.
This is a common iOS interview topic: Reverse Linked List.
Below is a concise answer you can adapt in a real interview, then go deeper in the full AceMobileInterview track.
1.Reverse a singly linked list iteratively and recursively in Swift.
Iterative: prev/curr/next pointers. Recursive: reverse rest then fix next. O(n) time, O(1) vs O(n) space. Discuss value types vs reference class nodes.
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