C (Coding): Data Structures & Objects Test

Q: What are the main coding tests?

The main coding tests include: Python Online Test Java Online Test JavaScript Online Test C++ Online Test

The C (Coding): Data Structures & Objects Test evaluates a candidate's proficiency in C programming with a focus on data structures and object-oriented concepts. It assesses knowledge of fundamental data structures, algorithms, and C language syntax through MCQs. The test includes coding questions to evaluate practical skills in implementing efficient data structures and solving complex problems using C.

Covered skills:

Arrays and Strings
Linked Lists
Stacks and Queues
Trees and Graphs
Hash Tables
Sorting Algorithms
Searching Algorithms
Dynamic Programming
Object-Oriented Programming
Memory Management
Time and Space Complexity
C Language Syntax

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About the C (Coding): Data Structures & Objects Assessment Test

The C (Coding): Data Structures & Objects Test helps recruiters and hiring managers identify qualified candidates from a pool of resumes, and helps in taking objective hiring decisions. It reduces the administrative overhead of interviewing too many candidates and saves time by filtering out unqualified candidates at the first step of the hiring process.

The test screens for the following skills that hiring managers look for in candidates:

Proficiency in understanding and applying C language syntax.
Ability to manipulate arrays and strings effectively.
Skill in implementing and manipulating linked lists.
Expertise in using stacks and queues for various applications.
Capability to design and implement tree and graph data structures.
Proficiency in utilizing hash tables for efficient data access.
Understanding and applying sorting algorithms to organize data.
Skill in using searching algorithms to find data efficiently.
Ability to apply dynamic programming techniques to solve complex problems.
Understanding and implementing object-oriented programming principles in C.
Competency in managing memory efficiently in C, including dynamic allocation and deallocation.
Ability to analyze and optimize time and space complexity for algorithms.

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Non-googleable questions

We have a very high focus on the quality of questions that test for on-the-job skills. Every question is non-googleable and we have a very high bar for the level of subject matter experts we onboard to create these questions. We have crawlers to check if any of the questions are leaked online. If/ when a question gets leaked, we get an alert. We change the question for you & let you know.

How we design questions

These are just a small sample from our library of 15,000+ questions. The actual questions on this C (Coding): Data Structures & Objects Test will be non-googleable.

🧐 Question
Medium Defer, Panic, and Recover Control Flow Error Handling Panic And Recovery	Solve
Consider the following Go code snippet, where we're exploring the use of defer, panic, and recover: In this pseudo-code, badCall function is deliberately causing a panic. test function uses a deferred function to handle the panic and recover from it. What will the output of this code be when it is run?
Medium Go Maps Maps Map Iteration Go Syntax	Solve
Which of the following statements are true regarding the order of output for following Go code: A. Output will be ordered by values B. Output will be ordered by keys C. Output will be ordered randomly D. Output will be ordered by position in the code
Medium File Handling and Defer File Handling Go Syntax Understanding	Solve
Consider the following Go code. Where should we use defer?
Easy Go WaitGroup Concurrency Go Programming	Solve
What does the following Go code output?
Medium Mutex Locks Mutex Goroutines Concurrency	Solve
Consider the following Go program: What is the expected output of the final counter when the program is run?

	🧐 Question	🔧 Skill
	Medium Defer, Panic, and Recover Control Flow Error Handling Panic And Recovery	2 mins Go	Solve
Consider the following Go code snippet, where we're exploring the use of defer, panic, and recover: In this pseudo-code, badCall function is deliberately causing a panic. test function uses a deferred function to handle the panic and recover from it. What will the output of this code be when it is run?
	Medium Go Maps Maps Map Iteration Go Syntax	2 mins Go	Solve
Which of the following statements are true regarding the order of output for following Go code: A. Output will be ordered by values B. Output will be ordered by keys C. Output will be ordered randomly D. Output will be ordered by position in the code
	Medium File Handling and Defer File Handling Go Syntax Understanding	2 mins Go	Solve
Consider the following Go code. Where should we use defer?
	Easy Go WaitGroup Concurrency Go Programming	2 mins Go	Solve
What does the following Go code output?
	Medium Mutex Locks Mutex Goroutines Concurrency	2 mins Go	Solve
Consider the following Go program: What is the expected output of the final counter when the program is run?

	🧐 Question	🔧 Skill	💪 Difficulty	⌛ Time
	Defer, Panic, and Recover Control Flow Error Handling Panic And Recovery	Go	Medium	2 mins	Solve
Consider the following Go code snippet, where we're exploring the use of defer, panic, and recover: In this pseudo-code, badCall function is deliberately causing a panic. test function uses a deferred function to handle the panic and recover from it. What will the output of this code be when it is run?
	Go Maps Maps Map Iteration Go Syntax	Go	Medium	2 mins	Solve
Which of the following statements are true regarding the order of output for following Go code: A. Output will be ordered by values B. Output will be ordered by keys C. Output will be ordered randomly D. Output will be ordered by position in the code
	File Handling and Defer File Handling Go Syntax Understanding	Go	Medium	2 mins	Solve
Consider the following Go code. Where should we use defer?
	Go WaitGroup Concurrency Go Programming	Go	Easy	2 mins	Solve
What does the following Go code output?
	Mutex Locks Mutex Goroutines Concurrency	Go	Medium	2 mins	Solve
Consider the following Go program: What is the expected output of the final counter when the program is run?

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Why you should use Pre-employment C (Coding): Data Structures & Objects Test?

The C (Coding): Data Structures & Objects Test makes use of scenario-based questions to test for on-the-job skills as opposed to theoretical knowledge, ensuring that candidates who do well on this screening test have the relavant skills. The questions are designed to covered following on-the-job aspects:

Implementing arrays and string manipulation
Creating and manipulating linked lists
Using stacks and queues effectively
Building and traversing trees and graphs
Implementing hash tables for data storage
Applying basic sorting algorithms
Utilizing searching algorithms for data retrieval
Implementing basic dynamic programming solutions
Understanding C language syntax and semantics
Managing memory allocation and deallocation

Once the test is sent to a candidate, the candidate receives a link in email to take the test. For each candidate, you will receive a detailed report with skills breakdown and benchmarks to shortlist the top candidates from your pool.

What topics are covered in the C (Coding): Data Structures & Objects Test?

Arrays and Strings: Fundamental data structures for storing and manipulating collections of elements. Arrays offer constant-time access to elements, while strings are specialized for text processing. Proficiency in these structures is crucial for efficient memory usage and algorithm implementation.

Linked Lists: Dynamic data structures consisting of nodes connected through pointers. They excel in insertion and deletion operations, particularly useful for implementing dynamic memory allocation. Understanding linked lists is essential for managing non-contiguous memory efficiently.

Stacks and Queues: Abstract data types with specific access patterns. Stacks follow Last-In-First-Out (LIFO) principle, while queues adhere to First-In-First-Out (FIFO). These structures are fundamental in algorithm design, memory management, and process scheduling.

Trees and Graphs: Hierarchical and network-based data structures used to represent complex relationships. Trees are vital for efficient searching and sorting, while graphs model intricate connections in various applications. Mastery of these structures is key to solving advanced algorithmic problems.

Hash Tables: Data structures that provide constant-time average-case complexity for insertion, deletion, and lookup operations. They use a hash function to map keys to array indices, enabling efficient data retrieval. Hash tables are crucial for implementing dictionaries, caches, and symbol tables.

Sorting Algorithms: Techniques for arranging data in a specific order. Understanding various sorting algorithms and their time complexities is crucial for optimizing data processing tasks. Proficiency in this area demonstrates problem-solving skills and algorithm analysis capabilities.

Searching Algorithms: Methods for finding specific elements within data structures. From simple linear search to advanced binary search trees, these algorithms are fundamental to data retrieval and processing. Efficiency in searching impacts overall program performance significantly.

Dynamic Programming: An algorithmic paradigm that solves complex problems by breaking them down into simpler subproblems. It optimizes recursive algorithms by storing intermediate results, crucial for solving optimization problems efficiently. Mastery of dynamic programming showcases advanced problem-solving skills.

Object-Oriented Programming: A programming paradigm based on the concept of 'objects' containing data and code. It promotes code reusability, modularity, and easier maintenance. Understanding OOP principles is essential for designing scalable and maintainable software systems.

Memory Management: The process of allocating, using, and freeing memory in programs. Proper memory management is critical to prevent memory leaks and optimize resource usage. Proficiency in this area is crucial for developing efficient and stable applications.

Time and Space Complexity: Analysis of algorithm efficiency in terms of execution time and memory usage. Understanding these concepts is vital for optimizing code performance and making informed design decisions. It demonstrates the ability to evaluate and improve algorithmic solutions.

C Language Syntax: The rules and structure of the C programming language. Proficiency in C syntax is fundamental for low-level programming, system development, and understanding memory management. It forms the basis for many modern programming languages and is essential for performance-critical applications.

Full list of covered topics

The actual topics of the questions in the final test will depend on your job description and requirements. However, here's a list of topics you can expect the questions for C (Coding): Data Structures & Objects Test to be based on.

C Syntax

Data Types

Pointers

Structs

Functions

Recursion

File I/O

Preprocessors

Arrays

String Manipulation

Linked Lists

Single Linked List

Double Linked List

Circular Linked List

Stacks

Queues

Priority Queue

Dequeue

Binary Trees

Binary Search Trees

AVL Trees

Red-Black Trees

Graph Representation

Graph Traversal

DFS

BFS

Hash Tables

Hash Functions

Collision Resolution

Bubble Sort

Selection Sort

Insertion Sort

Merge Sort

Quick Sort

Heap Sort

Binary Search

Linear Search

Dynamic Programming

Memoization

Tabulation

Classes

Inheritance

Polymorphism

Encapsulation

Abstraction

Memory Allocation

malloc

calloc

free

Time Complexity

Big O Notation

Space Complexity

Optimization Techniques

What roles can I use the C (Coding): Data Structures & Objects Test for?

Software Developer
C Programmer
Embedded Systems Engineer
Systems Programmer
Game Developer
Algorithm Engineer
Backend Developer
Data Structures Specialist
Low-Level Systems Developer
Software Engineer

How is the C (Coding): Data Structures & Objects Test customized for senior candidates?

For intermediate/ experienced candidates, we customize the assessment questions to include advanced topics and increase the difficulty level of the questions. This might include adding questions on topics like

Optimizing code for time complexity
Optimizing code for space complexity
Designing complex trees and graph algorithms
Implementing advanced sorting algorithms
Applying advanced searching techniques
Writing efficient dynamic programming solutions
Applying advanced object-oriented programming principles
Ensuring efficient memory management strategies
Boxing and unboxing with C syntax
Using advanced C language features and libraries

The coding question for experienced candidates will be of a higher difficulty level to evaluate more hands-on experience.

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Have questions about the C (Coding): Data Structures & Objects Hiring Test?

What is C (Coding): Data Structures & Objects Test?

The C (Coding): Data Structures & Objects Test assesses candidates' skills in data structures and object-oriented programming using C. It is utilized by recruiters to evaluate the technical proficiency of candidates.

Can I combine C (Coding): Data Structures & Objects Test with C# & .NET questions?

Yes, recruiters can request a single custom test with multiple skills in the same test. For more details on how we assess C# & .NET, refer to the C# & .NET Test.

What topics are evaluated in this test?

This test covers Arrays and Strings, Linked Lists, Stacks and Queues, Trees and Graphs, Hash Tables, Sorting Algorithms, Searching Algorithms, Dynamic Programming, Object-Oriented Programming, Memory Management, Time and Space Complexity, and C Language Syntax.

How to use C (Coding): Data Structures & Objects Test in my hiring process?

Use this test as a pre-screening tool at the beginning of your recruitment process. Add a link to the assessment in your job post or invite candidates by email. Adaface helps identify skilled candidates early and faster.

Can I test C (Coding): Data Structures & Objects and C Online Test together?

Yes, you can combine these tests to assess a wider range of skills. This combination is recommended for a comprehensive evaluation. Refer to the C Online Test for more details.

What are the main coding tests?

The main coding tests include:

Can I combine multiple skills into one custom assessment?

Yes, absolutely. Custom assessments are set up based on your job description, and will include questions on all must-have skills you specify. Here's a quick guide on how you can request a custom test.

Do you have any anti-cheating or proctoring features in place?

We have the following anti-cheating features in place:

Non-googleable questions
IP proctoring
Screen proctoring
Web proctoring
Webcam proctoring
Plagiarism detection
Secure browser
Copy paste protection

Read more about the proctoring features.

How do I interpret test scores?

The primary thing to keep in mind is that an assessment is an elimination tool, not a selection tool. A skills assessment is optimized to help you eliminate candidates who are not technically qualified for the role, it is not optimized to help you find the best candidate for the role. So the ideal way to use an assessment is to decide a threshold score (typically 55%, we help you benchmark) and invite all candidates who score above the threshold for the next rounds of interview.

What experience level can I use this test for?

Each Adaface assessment is customized to your job description/ ideal candidate persona (our subject matter experts will pick the right questions for your assessment from our library of 10000+ questions). This assessment can be customized for any experience level.

Does every candidate get the same questions?

Yes, it makes it much easier for you to compare candidates. Options for MCQ questions and the order of questions are randomized. We have anti-cheating/ proctoring features in place. In our enterprise plan, we also have the option to create multiple versions of the same assessment with questions of similar difficulty levels.

I'm a candidate. Can I try a practice test?

No. Unfortunately, we do not support practice tests at the moment. However, you can use our sample questions for practice.

What is the cost of using this test?

You can check out our pricing plans.

Can I get a free trial?

Yes, you can sign up for free and preview this test.

I just moved to a paid plan. How can I request a custom assessment?

Here is a quick guide on how to request a custom assessment on Adaface.

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