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C Programming Examples

This page contains examples on basic concepts of C programming like: loops, functions, pointers, structures etc. All the examples in this page are tested and verified on GNU GCC compiler, although almost every program on in this website will work on any compiler you use. Feel free to copy the source code and execute it in your device.

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1.C "Hello, World!" Program

2.C Program to Print an Integer (Entered by the User)

3.C Program to Add Two Integers

4.C Program to Multiply two Floating Point Numbers

5.C Program to Find ASCII Value of a Character

6.C Program to Compute Quotient and Remainder

7.C Program to Find the Size of int, float, double and char

8.C Program to Demonstrate the Working of Keyword long

9.C Program to Swap Two Numbers

10.C Program to Check Whether a Number is Even or Odd

11.C Program to Check Whether a Character is Vowel or Consonant

12.C Program to Find the Largest Number Among Three Numbers

13.C program to Find all Roots of a Quadratic equation

14.C Program to Check Leap Year

15.C Program to Check Whether a Number is Positive or Negative

16.C Program to Check Whether a Character is an Alphabet or not

17.C Program to Calculate the Sum of Natural Numbers

18.C Program to Find Factorial of a Number

19.C Program to Generate Multiplication Table

20.C Program to Display Fibonacci Sequence

21.C Program to Find GCD of two Numbers

22.C Program to Find LCM of two Numbers

23.C Program to Display Characters from A to Z Using Loop

24.C Program to Count Number of Digits in an Integer

25.C Program to Reverse a Number

26.C Program to Calculate the Power of a Number

27.C Program to Check Whether a Number is Palindrome or Not

28.C Program to Check Whether a Number is Prime or Not

29.C Program to Display Prime Numbers Between Two Intervals

30.C Program to Check Armstrong Number

31.C Program to Display Armstrong Number Between Two Intervals

32.C Program to Display Factors of a Number

33.C Programming Code To Create Pyramid and Structure

34.C Program to Make a Simple Calculator Using switch...case

35.C Program to Display Prime Numbers Between Intervals Using Function

36.C Program to Check Prime or Armstrong Number Using User-defined Function

37.C Program to Check Whether a Number can be Expressed as Sum of Two Prime Numbers

38.C Program to Find the Sum of Natural Numbers using Recursion

39.C Program to Find Factorial of a Number Using Recursion

40.C Program to Find G.C.D Using Recursion

41.C Program to Convert Binary Number to Decimal and vice-versa

42.C Program to Convert Octal Number to Decimal and vice-versa

43.C Program to Convert Binary Number to Octal and vice-versa

44.C program to Reverse a Sentence Using Recursion

45.C program to calculate the power using recursion

46.C Program to Calculate Average Using Arrays

47.C Program to Find Largest Element of an Array

48.C Program to Calculate Standard Deviation

49.C Program to Add Two Matrix Using Multi-dimensional Arrays

50.C Program to Multiply to Matrix Using Multi-dimensional Arrays

51.C Program to Find Transpose of a Matrix

52.C Program to Multiply two Matrices by Passing Matrix to a Function

53.C Program to Access Elements of an Array Using Pointer

54.C Program Swap Numbers in Cyclic Order Using Call by Reference

55.C Program to Find Largest Number Using Dynamic Memory Allocation

56.C Program to Find the Frequency of Characters in a String

57.C program to count the number of vowels, consonants and so on

58.C Program to Remove all Characters in a String Except Alphabet

59.C Program to Find the Length of a String

60.C Program to Concatenate Two Strings

61.C Program to Copy String Without Using strcpy()

62.C Program to Sort Elements in Lexicographical Order (Dictionary Order)

63.C Program to Store Information(name, roll and marks) of a Student Using Structure

64.C Program to Add Two Distances (in inch-feet) System Using Structures

65.C Program to Add Two Complex Numbers by Passing Structure to a Function

66.C Program to Calculate Difference Between Two Time Periods

67.C Program to Store Information of Students Using Structure

68.C Program to Store Information Using Structures with Dynamically Memory Allocation

69.C Program to Write a Sentence to a File

70.C Program to Read a Line From a File and Display it

71.C Program to Display its own Source Code as Output

72.C Programming Code To Create Pyramid and Pattern