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Queues

FIFO data structure — powering BFS, scheduling, sliding-window maxima, and rate limiters.

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Why learn Queues?

  • The backbone of breadth-first search.

  • Deques unlock O(1) sliding-window problems.

  • Maps directly to real systems — job queues, message brokers, schedulers.

What you can build with Queues

BFS on trees and graphs Sliding-window maximum / minimum Producer-consumer and rate-limiter systems

Queues tutorials

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Hand-written tutorials, ordered as a recommended learning path.

Tutorials for Queues are on the way.

In the meantime, explore other topics.