Removing duplicates from a C++ container, using forward iterators

📰 Dev.to · Martin Licht

Learn to remove duplicates from a C++ container using forward iterators, a fundamental skill for any C++ developer

intermediate Published 14 Mar 2026

Action Steps

Create a sample C++ container with duplicate elements
Use the std::sort function to sort the container
Apply the std::unique function with forward iterators to remove duplicates
Verify the results by printing the updated container
Experiment with different container types and duplicate scenarios

Who Needs to Know This

Software engineers and developers working with C++ containers will benefit from this tutorial, as it provides a step-by-step guide on how to remove duplicates efficiently

Key Insight

💡 The std::unique function can be used with forward iterators to remove duplicates from a sorted C++ container

Key Takeaways

Learn to remove duplicates from a C++ container using forward iterators, a fundamental skill for any C++ developer

Full Article

Title: Removing duplicates from a C++ container, using forward iterators

URL Source: https://dev.to/martinlicht/removing-duplicates-from-a-c-container-using-forward-iterators-no1

Published Time: 2026-03-14T19:40:59Z

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# Removing duplicates from a C++ container, using forward iterators

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Removing duplicates from a C++ container, using forward iterators

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