Ops
Stack: push 3 → push 1 → pop
Result
Pop 1; top is 3
Developer Tools
Data Structure Viewer — Stack, Queue, List, Tree Demo
Interactively demo stack, queue, linked list, and BST insert/remove with visualization and an operation log. Useful for review and interview prep.
Data structuresVisualizationTeaching
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开发工具
Data Structure Viewer
可视化
操作日志
Use cases
- Learn stack/queue order
- Demo linked-list insert/delete
- Review BST operations
How to use
- Choose a structure
- Enter a value and add or remove
- Watch the visualization and log
Example input and output
FAQ
Are graphs or heaps supported?
Currently stack, queue, linked list, and BST only.
Why do some operations fail?
Empty pops/deletes or BST constraint violations are rejected and explained in the log.
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