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QueueMedium

Priority Queue (Min-Heap)

Serves highest priority (minimum value) element first with O(log n) insertions and extractions.

Time O(log n) Space O(n)
Open in 3D Studio

Live loop — open the studio to scrub, add your own array, or race it in Battle Arena.

Asked in interviews at

AmazonGoogleUber

Reference implementation (Python)

import heapq

pq = []
heapq.heappush(pq, 35)
heapq.heappush(pq, 12)
min_elem = heapq.heappop(pq)  # returns 12

Embed this visualization

Drop a live, looping Priority Queue (Min-Heap) canvas into a blog post or course page.

<iframe src="/embed/priority-queue" width="100%" height="380" style="border:1px solid #e6e8ec;border-radius:14px" loading="lazy" title="3D algorithm visualization by CodeWithMunnaX"></iframe>

Frequently asked

What is the time and space complexity of Priority Queue (Min-Heap)?

Priority Queue (Min-Heap) runs in O(log n) time and O(n) auxiliary space.

Is the Priority Queue (Min-Heap) visualizer free?

The core 3D visualizer, Web Audio chimes and step intuition are free. A one-time ₹49 Pro Pass unlocks advanced algorithms, large custom arrays, Battle Arena and reel export.

Which companies ask Priority Queue (Min-Heap) in interviews?

Priority Queue (Min-Heap) shows up in interviews at Amazon, Google, Uber.

How does the 3D visualization of Priority Queue (Min-Heap) work?

Each array value becomes a 3D pillar whose height maps to its value. Comparisons glow amber, swaps flash red, and settled elements lock green while a floating pointer badge tracks the active index — synchronized line-by-line with the Python code.

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