PYTHON PROBLEM 256 · Advanced

Add numbers stored in linked lists: Carry creates a new digit

Continue after both lists end when a final carry remains.

linked list pattern · carry · company screenlinked list patterncarrycompany screen

PROBLEM OVERVIEW

What this Python exercise asks you to practise

This scenario tests add numbers stored in linked lists. It belongs to the Core Data Structures: Stacks, Queues, Linked Lists, Heaps, and Intervals roadmap and uses the linked list pattern · carry · company screen pattern.

Choosing structures by operations, monotonic reasoning, priority queues, and interval processing.

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SKILL TO CARRY FORWARD

Pattern relevance

This exercise strengthens linked list pattern · carry · company screen. Be ready to explain the input, the rule, the boundary cases, and why the chosen approach is appropriate.