Linked List Dummy / Stitching · Dummy stitch / partition
Remove Duplicates from Sorted List II
LeetCode 82 · Module: Linked Lists
The scenario
you are rewiring pointers in a pipeline where losing one reference means losing data, so the order of updates matters as much as the final shape.
What you'll learn
- How to recognize the Linked List Dummy / Stitching pattern from the problem statement.
- The BASIC Framework breakdown for this problem.
- A clean, interview-ready Python solution with time/space analysis.
Full video, code, and the workspace are part of PatternMastery Pro — 500 problems for one $9.99 payment.