CurriculumQueue
Queue
A <code>std::queue</code> is a container adapter that gives you a FIFO (First-In, First-Out) data structure. Like a line at a grocery store, elements are added to the back and removed from the front.
011. Basics
A
std::queue is a First In, First Out adapter for work that must be processed in arrival order.main.cpp
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022. Adding Elements
Add values with the container's insertion operation and observe the ordering or adapter rule.
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033. Access and Lookup
Read values safely with the appropriate access API before removing or changing them.
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044. Iteration
Understand the traversal guarantee: sorted for ordered containers, FIFO/LIFO for adapters, and unspecified for hash tables.
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055. Removal
Remove by value, iterator, or end operation as appropriate; always check preconditions for empty adapters.
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066. Size and Empty
Use
size and empty to make control flow safe and explicit.main.cpp
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077. Applied Logic
This example exercises a small calculation or data-processing pattern with the container.
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088. Complexity
Choose the container based on the operation you perform most often, not just on familiar syntax.
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099. Practical Pattern
Use the container to model a real structure such as inventory, a task stream, an undo history, or a sliding window.
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1010. Pro Tip
Read front before pop because pop returns void.
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AI Tutor
Essential for task scheduling, breadth-first search algorithms, and managing request buffers.