C Programming Examples and Sample Programs
This page is the hub for the C programming examples in this section. Each program focuses on one practical problem so you can see how conditions, loops, arrays, functions, strings and pointers are used together.
Hub rule: this page intentionally links every sample-program child page in the current C tutorial section. The compact
link-sample.php block on individual pages is only supplementary navigation.Arithmetic and Decision Examples Top ↑
Swap two numbers — temporary variable and arithmetic approaches
Average of numbers — fixed values, arrays and user input
Highest of three numbers — if...else comparisons
Student grade — range checks with else-if
Tariff calculation — slab/range-based conditions
Basic calculator — choose an arithmetic operation
Percentage of marks — total and percentage calculations
Division from marks — classify percentage ranges
Digits, Series and Number Problems Top ↑
Count digits in a number
Sum numbers entered by the user
Sum the digits of an integer
Armstrong number
Prime-number check and listing
Multiplication table
Display number sequences
Fibonacci series
Factorial of a number
Factors and Patterns Top ↑
Matrix Examples Top ↑
Related Core Topics Top ↑
Try the C assignments and practice questions »
Related C Fundamentals
Subhendu Mohapatra
Author & Instructor at plus2net
I write and maintain practical tutorials on Python, PHP, SQL, JavaScript, HTML, jQuery, and web development at plus2net. The tutorials focus on clear explanations, working examples, and code that readers can test and adapt while learning.
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| find an algorithm to print marks obtained by students using the following rules marks 70 to above A, 60 - 69 B, 50 - 59 C, 40 to above F | |