DSA Algorithm Visualizations

Interactive step-by-step visualizations of common data structures and algorithms. Watch how they work, understand the logic, and learn by seeing.

[] Arrays

Find two numbers that add up to a target using a hashmap approach.

Sort an array of 0s, 1s, and 2s in-place using three pointers.

Find the contiguous subarray with the largest sum.

Maximize profit by finding the best buy and sell days.

QuickSort with Dutch National Flag 3-way partitioning.

Find a pattern in text efficiently using prefix table.

Find the longest palindrome within a string.

Count distinct islands in a 2D grid using graph traversal.

Fill connected pixels with a new color starting from a point.

Find the shortest clear path in a binary matrix using 8-directional BFS.