Data Structures for Coding Interviews in C++

The ultimate guide to data structures for coding interviews. Developed by FAANG engineers. Get interview-ready in hours with C++ implementations and real-world interview questions. Prep faster.
4.6
228 Lessons
25h
Updated 3 weeks ago
Also available in
C#
C++
Java
JavaScript
Python
Also available in
C++C++
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Data structures are amongst the very fundamentals of Computer Science and are often a core decision in developing efficient programs. Consequently, they are also largely categorized as a vital benchmark of computer science knowledge when it comes to industry interviews. This course contains a detailed review of all the common data structures and provides implementation level details in C++ to allow readers to become well equipped with all the different data structures they can leverage to write better code!
Data structures are amongst the very fundamentals of Computer Science and are often a core decision in developing efficient prog...Show More

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Author NameData Structures for CodingInterviews in C++

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Developed by MAANG Engineers
Every Palmalearningservice lesson is designed by a team of ex-MAANG software engineers and PhD computer science educators, and developed in consultation with developers and data scientists working at Meta, Google, and more. Our mission is to get you hands-on with the necessary skills to stay ahead in a constantly changing industry. No video, no fluff. Just interactive, project-based learning with personalized feedback that adapts to your goals and experience.

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Frequently Asked Questions

What are the data structures of C++ programming?

C++ provides several fundamental data structures, both built-in and through its Standard Template Library (STL). The built-in data structures include arrays and pointers for simple, contiguous memory storage. The STL offers more advanced structures like vector (dynamic array), list (doubly linked list), deque (double-ended queue), stack (LIFO stack), queue (FIFO queue), priority_queue (heap), set (ordered collection of unique elements), map (key-value pairs), unordered_set, and unordered_map (hash-based structures). These data structures are optimized for different types of operations, such as fast access, insertion, or deletion, making C++ versatile for various programming needs.

Can I use C++ for coding interviews?

Yes, C++ is an excellent choice for coding interviews. It offers powerful features like manual memory management, object-oriented programming, and access to a rich Standard Template Library (STL) that provides efficient data structures and algorithms. C++ allows fine-grained control over performance, making it suitable for solving complex problems efficiently. Its syntax is well-known to most interviewers, and using C++ demonstrates a strong understanding of low-level programming concepts, which is valuable in many technical interviews.

How to study for a C++ interview

To study for a C++ interview, master core C++ concepts like pointers, memory management, object-oriented programming, and the Standard Template Library (STL). Practice solving common coding problems using STL data structures (vector, list, map, etc.) and algorithms to understand their complexities and use cases. Review key C++ features such as operator overloading, inheritance, polymorphism, and templates. Additionally, get comfortable writing clean, efficient code and explaining your approach clearly. Regular practice on platforms like LeetCode or Codeforces will help reinforce these skills and improve problem-solving speed.

Are C++ coders in demand?

Yes, C++ coders are in high demand, especially in game development, finance, embedded systems, and high-performance computing. C++ is valued for its speed, efficiency, and control over system resources, making it ideal for applications where performance is critical. Many companies seek C++ developers for roles that require low-level programming, real-time processing, and software that interacts closely with hardware. Its versatility and efficiency ensure that C++ remains a popular language in various tech sectors.

How many hours a day should I study C++?

The number of hours you should study C++ daily depends on your goals, current proficiency, and schedule. Generally, dedicating 1 to 2 hours of focused study daily is effective for consistent progress, allowing time to grasp new concepts, practice coding problems, and reinforce learning. If you have more time, you can extend this to 3 to 4 hours, but balance study with breaks to avoid burnout. Consistency is key, so aim for regular, manageable sessions that fit your routine.