Pattern2 visualizers
Linked List Pattern Visualizers
The Linked List pattern is a recurring algorithmic shape that appears across coding interviews and competitive problems. Use it when the problem geometry matches its trigger conditions — recognizing the pattern collapses what looks like a hard problem into a familiar template. These visualizers trace Linked List step-by-step on classics such as LRU Cache, Reorder List, so you can internalize the moves before you ever need them under pressure.
Linked List
LRU Cache
Design a data structure with O(1) operations that evicts the least recently used item using a Hash Map and Doubly Linked List.
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Linked List
Reorder List
Reorders a Linked List by splitting it into two halves, reversing the second half, and merging them alternately.
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