Data Structures & Algorithms Visualizer

Select a visualizer from below or navigate through the tabs

Arrays
Linked Lists
Stacks
Queues
Sorting
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Queue Visualizer

Visualize First-In-First-Out (FIFO) queue operations: enqueue, dequeue, and peek

Enqueue
Dequeue
Peek
FIFO Structure

Queue Visualization

Front (Dequeue)
Rear (Enqueue)
5
0
12
1
7
2
First-In-First-Out (FIFO) Data Structure
DefaultActive (Peek)New (Enqueue)Removing (Dequeue)

Queue Operations

Queue Information

Size: 3

Front Element: 5

Rear Element: 7

Time Complexity:

Enqueue: O(1)
Dequeue: O(1)
Peek: O(1)
Space: O(n)