Array
Click Step → to walk through each line of code and watch the structure evolve.
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Linked List
See how Node records are chained with next pointers — step through append and delete operations.
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Stack
LIFO — Last In, First Out. Step through push and pop operations.
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Queue
FIFO — First In, First Out. Step through enqueue and dequeue operations.
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Binary Tree
Array-based BT using index pointers — step through each insertion and watch the tree and array table update live.
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Sorting
Compare Bubble Sort and Insertion Sort — watch elements get compared, swapped, and sorted step by step.
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Search
Watch Binary Search eliminate half the array each step — track the left, mid, and right pointers closing in on the target.
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