01 — Problem Directory

Data Structures & Algorithms

Complete catalog of 113 interactive algorithm visualizers. Browse by data structure category or filter by difficulty.

⌘K

All Categories (113)Arrays & Hashing (23)Trees & BST (24)Linked Lists (15)Stack (14)Binary Search (7)Sliding Window (6)Recursion & DP (4)Heap / Priority Queue (1)Backtracking (14)Graphs (5)

Easy Medium Hard

Showing 1 of 113 visualizers

Heap / Priority Queue

Medium

Min Heap (Heapify Up & Down)

Complete binary min-heap implementation visualizing _heapifyUp() on insertion and _heapifyDown() on root extraction across both binary tree and 0-indexed array representations.

Min HeapBinary HeapHeapify Up+3