Jobs
Interviews

C Coding Practice

Welcome to C Coding Practice. C is the foundation of modern programming languages. Whether you're working on system-level programming or embedded systems, C is an essential skill.

Coding Questions Filter

icon
icon
icon
Solve Challenge
Solve Challenge
Solve Challenge

Pairs of Prime Numbers

Easy Mathematics
Solve Challenge

Sum of Prime Numbers

Easy Searching Algorithms, Mathematics
Solve Challenge

Sieve of Eratosthenes

Easy Searching Algorithms, Mathematics
Solve Challenge

Prime Number

Easy Searching Algorithms, Mathematics
Solve Challenge
Solve Challenge
Solve Challenge

Product Array Puzzle

Easy Arrays, Mathematics
Solve Challenge

Maximum Sub Array of Non-Negative Numbers

Medium Arrays, Dynamic Programming
Solve Challenge

Maximum Index

Medium Arrays
Solve Challenge

Print Linked List

Easy Linked Lists
Solve Challenge

Remove every k'th node

Easy Linked Lists
Solve Challenge
Solve Challenge
Solve Challenge

Inorder Traversal

Easy Trees, Recursion
Solve Challenge
Solve Challenge
Solve Challenge

Coins and Game

Medium Backtracking
Solve Challenge

Check if Array is Sorted

Easy Arrays, Sorting Algorithms
Solve Challenge

Binary Array Sorting

Easy Arrays, Sorting Algorithms
Solve Challenge
Solve Challenge
Solve Challenge

Find All Factors

Easy Mathematics
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge

Find Twin Primes

Medium Mathematics
Solve Challenge

Generate Valid Parentheses

Medium Mathematics
Solve Challenge
Solve Challenge

Expected Maximum Dice Roll

Medium Mathematics
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge

Case-Insensitive Stable Sort

Easy Sorting Algorithms
Solve Challenge
Solve Challenge
Solve Challenge

Powers of Two Sum

Easy Bit Manipulation
Solve Challenge

Find Number Range

Easy Searching Algorithms
Solve Challenge

Minimum Coins Required

Easy Dynamic Programming
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge

Sort Log Files

Easy Sorting Algorithms
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge

Partition List By Parity

Easy Linked Lists
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge
Solve Challenge

Text Justification All Ways

Medium Backtracking
Solve Challenge
Solve Challenge

Digital Root Using Bits

Easy Bit Manipulation
Solve Challenge

Count Distinct XOR Combinations

Medium Bit Manipulation
Solve Challenge
Solve Challenge
Solve Challenge

Maximum XOR Sum Subarray

Medium Bit Manipulation
Solve Challenge
Solve Challenge

Count Factor Pairs

Easy Mathematics
Solve Challenge
Solve Challenge

Jump Game Search

Easy Searching Algorithms
Solve Challenge

Kth Missing Positive Number

Medium Searching Algorithms
Solve Challenge

Longest Alternating Path Search

Hard Searching Algorithms
Solve Challenge

Sort by Vowel Count

Easy Sorting Algorithms
Solve Challenge

Sort by Bit Count

Medium Sorting Algorithms
Solve Challenge

Maximum Flight Time Scheduler

Hard Sorting Algorithms
Solve Challenge

Explore More Coding Practices

Java

Java logo

Python

Python logo

JavaScript

JavaScript logo

Ruby

Ruby logo

Rust

Rust logo

Go Lang

Go Lang logo

Lua

Lua logo

What You'll Find Here

Practical Challenges Solve coding problems that strengthen your understanding of C.

Step-by-Step Tutorials Learn how to write efficient and optimized code.

Career-Focused Skills Prepare for technical interviews with targeted exercises.

Choose from the following C categories

Strings A sequence of characters used to represent text, with problems focused on manipulation, searching, and pattern matching.

Arrays A collection of elements stored in contiguous memory locations, allowing efficient random access and manipulation.

Linked Lists A linear data structure where each element (node) points to the next, offering dynamic memory allocation and efficient insertions/deletions.

Trees A hierarchical data structure with nodes connected by edges, used in applications like databases, file systems, and parsing.

Graphs A collection of nodes (vertices) connected by edges, representing relationships, widely used in networking, routing, and social networks.

Dynamic Programming An optimization technique that solves problems by breaking them into overlapping subproblems and storing their results.

Backtracking A problem-solving method that explores all possibilities recursively, backtracking when a solution is not feasible.

Sorting Algorithms Techniques for arranging elements in a specific order, such as quicksort, mergesort, and bubble sort, essential for data organization.

Searching Algorithms Methods for finding elements in a dataset, such as binary search, linear search, and graph traversal techniques.

Mathematics A field of study involving numbers, calculations, and logical reasoning, forming the foundation for algorithms and problem-solving.

Recursion A programming technique where a function calls itself to solve smaller instances of the same problem, often used in divide-and-conquer approaches.

Bit Manipulation Operations performed directly on binary representations of data, used for efficient computations and optimization tasks.