Work with stacks, queues, linked lists, and binary search trees one operation at a time.
Preparing structure operations, visual renderers, and playback guidance.
Choose a structure, operation, value, and speed.
Rules and complexity for the selected operation.
Last in, first out storage where the top item is always the next one to leave.
A stack behaves like a pile of trays. You place new values on top and remove the most recent value first.
Active nodes, inserts, removals, and search path.
Explanation and pseudocode for the current operation.
Run add, remove, or search to see the structure react one decision at a time.
create a new node with the input valueplace the new node on top of the stackupdate top to the new nodeSteps, comparisons, operations, and elapsed time.