_ Interactive Learning Platform

Learn Data
Structures
Through Code.

Clean implementations. Visual explanations.
Real complexity analysis. Zero fluff.

datastructures.dev ~ terminal
$ learn --structure array
✓ Loading Array implementation...
✓ Time: O(1) access | O(n) search
✓ Space: O(n)
$ visualize --ops push pop search
✓ Interactive visualizer ready
$
6 Data Structures
30+ Code Examples
Things to Learn

Big-O Complexity

Operation Complexity Lower is better
O(1)
Constant
O(log n)
Logarithmic
O(n)
Linear
O(n log n)
Linearithmic
O(n²)
Quadratic
O(2ⁿ)
Exponential
// operation complexity comparison
Structure Access Search Insert Delete Space
Array O(1) O(n) O(n) O(n) O(n)
Linked List O(n) O(n) O(1) O(1) O(n)
Stack O(n) O(n) O(1) O(1) O(n)
Queue O(n) O(n) O(1) O(1) O(n)
BST (avg) O(log n) O(log n) O(log n) O(log n) O(n)
Hash Table N/A O(1) O(1) O(1) O(n)

Try It Live

// console output

Click ▶ Run to execute your code