C Programs

C Programs: Basic

  1. Write C program to print “Hello World!”
  2. Write C program to demonstrate use of printf and scanf functions for various datatypes (int, float, character)
  3. Write C program to add two numbers
  4. Write C program to find average of two numbers
  5. Write C program to find absolute value of number
  6. Write C program to print number, its square and cube
  7. Write C program to demonstrate use of formatting (%0.2d, %0.4f)
  8. Write C program to demonstrate use of data types (int, float, char, double)
  9. Write C program to print size of all data types
  10. Write C program to print ASCII value of entered character
  11. Write C program to convert case of entered character
  12. Write C program to demonstrate use of type casting

C Programs: Operators

  1. Write C program to demonstrate various arithmetic operation (+, -, *, /, %, ^)
  2. Write C program to demonstrate comparison operator (<, >, <=, >=, ==, !=)
  3. Write C program to demonstrate logical operator (&&, ||, ! )
  4. Write C program to demonstrate increment / decrement operator (++, –)
  5. Write C program to demonstrate compound operator (+=, -=, *=, /=)
  6. Write C program to demonstrate bit wise operator (&, |, <<, >>, ~)
  7. Write C program to demonstrate ternary operator (?)
  8. Write C program to find quotient and remainder of number
  9. Write C program to swap two numbers
  10. Write C program to Add two different time

C Programs: Area and Volume

  1. Write C program to Find area of circle
  2. Write C Program to Find Diameter, Circumference, and Area of a Circle
  3. Write C Program to Find Area of a Triangle
  4. Write C Program to Find Area of a Triangle using Base and Height
  5. Write C Program to Find Angle of a Triangle if two angles are given
  6. Write C Program to Check if Triangle is Equilateral Isosceles or Scalene
  7. Write C Program to Check Triangle is valid or Not using Angle
  8. Write C Program to Check Triangle is Valid or Not using Sides
  9. Write C Program to Find Area of an Isosceles Triangle
  10. Write C Program to Find Area of Rectangle
  11. Write C Program to Find Area of a Rectangle using Length and Width
  12. Write C Program to Find Perimeter of a Rectangle using Length and Width
  13. Write C Program to Find Area of a Parallelogram
  14. Write C Program to Find Area of a Trapezoid
  15. Write C Program to Find Area of a Right Angled Triangle
  16. Write C Program to Find Area of an Equilateral Triangle
  17. Write C Program to Find Area of a Rhombus
  18. Write C Program to Find Perimeter of a Rhombus
  19. Write C Program to Find the Area of a Semicircle
  20. Write C Program to Find the Perimeter of a Square
  21. Write C Program to Compute Volume and Surface Area of a Cone
  22. Write C Program to Compute Volume and Surface Area of Sphere
  23. Write C Program to Compute Volume and Surface Area of a Cylinder
  24. Write C Program to Compute Volume and Surface Area of a Cube
  25. Write C Program to Compute Volume and Surface Area of a Cuboid

C Programs: Equations

  1. Write C Program to Find Roots of Quadratic Equation
  2. Write C Program to Compute Simple Interest of Given amount for Stated Period and Interest Rate
  3. Write C Program to Compute Gross Salary From Basic, DA and HRA
  4. Write C Program to Convert From Celsius to Fahrenheit
  5. Write C Program to Convert From Fahrenheit to Celsius
  6. Write C Program to Convert Minutes to Hours
  7. Write C Program to Find Compound Interest
  8. Write C Program to Find Profit or Loss
  9. Write C Program to Find Average of 5 Numbers
  10. Write C Program to Find Standard Deviation of 5 Numbers

C Programs: If-Else

  1. Write C Program to Check if Given Number is Positive
  2. Write C Program to Check if Given Number is Positive or Negative
  3. Write C Program to Check if Given Character is Vowel or Consonant
  4. Write C Program to Check Given Year is Leap Year or Not
  5. Write C Program to Check if Given Number is Odd or Even
  6. Write C Program to Find Maximum Number From Two Numbers
  7. Write C Program to Scan Age of Candidate and Print if He/She is Eligible for Driving Licence or Not
  8. Write C Program to Print Gender (‘F’, ‘f’: Female,…)
  9. Write C Program to Find Largest of Three Numbers.
  10. Write C Program to Print the Grade Based on Percentage (Dist, first, second, third, pass, Fail)
  11. Write C Program to Check if Given Number is Integer or Float

C Programs: Switch-Case

  1. Write C Program to Check if Given Number is Odd or Even using Switch Case
  2. Write C Program to Print Day Based on Given Number using Switch Case (1: Monday, …) 
  3. Write C Program to Print Remainder of Number Less Than 6 using Switch Case
  4. Write C Program to Print Gender using Switch Case (‘F’, ‘f’: Female,…) 
  5. Write C Program to Implement Calculator  Using Switch Case

C Programs: While Loop

  1. Write C Program to Print “Hello world” 10 Times using While loop
  2. Write C Program to Print First n Numbers using While loop
  3. Write C Program to Print First n Numbers in Reverse Order using While loop
  4. Write C Program to print odd numbers between 1 to n using While loop
  5. Write C Program to print first n odd numbers using While loop
  6. Write C Program to Add All Numbers up To n  using While loop (1 + 2 + 3 + …. + n)
  7. Write C Program to display a-z characters using While loop
  8. Write C Program to print multiplication table of 5 using While loop (5 x 1 = 5)
  9. Write C Program to print multiplication table of n up to m using While loop
  10. Write C Program to Find Factorial of n using While loop
  11. Write C Program to Print Fibonacci Series using While loop
  12. Write C Program to print nPr using While loop
  13. Write C Program to print nCr using While loop
  14. Write C Program to count number of digits in given number using While loop
  15. Write C Program to Add Digits of Number using While loop
  16. Write C Program to print First Digit of Number using While loop
  17. Write C Program to print First and Last Digit of a Number using While loop
  18. Write C Program to Swap First and Last Digit of a Number using While loop
  19. Write C Program to Reverse The Number using While loop
  20. Write C Program to Check If Given Number is Palindrome or Not using While loop
  21. Write C Program to Check if Given Number is Prime or Not using While loop
  22. Write C Program to Print Numbers Between 1 and n Divisible By m using While loop
  23. Write C Program to Print All Divisor of Number using While loop
  24. Write C Program to Print First n Prime Numbers using While loop
  25. Write C Program to Print First n Palindrome Numbers using While loop
  26. Write C Program to Print All Prime Numbers Between n and m using While loop
  27. Write C Program to Print All Palindrome Numbers Between n and m using While loop
  28. Write C Program to Check if Give Number is Armstrong or Not using While loop
  29. Write C Program to Print First n Armstrong Numbers using While loop
  30. Write C Program to print all Armstrong numbers Between n and m using While loop
  31. Write C Program to Check the Number is a Krishnamurthy Number using While loop
  32. Write C Program to Print if Numbers Are Same or Not by Comparing Individual Digits. using While loop
  33. Write C Program to Find GCD Two Numbers using While loop
  34. Write C Program to Find LCM of Two Numbers using While loop
  35. Write C Program to Check if Given Number is Perfect Square or Not using While loop
  36. Write C Program to Check Number is a Prime, Armstrong, or Perfect Square using While loop
  37. Write C Program to Find Factors of Number using While loop
  38. Write C Program to Find Prime Factors of Number using While loop

C Programs: For Loop

  1. Write C Program to Print “Hello world” 10 Times using For loop
  2. Write C Program to Print First n Numbers using For loop
  3. Write C Program to Print First n Numbers in Reverse Order using For loop
  4. Write C Program to print odd numbers between 1 to n using For loop
  5. Write C Program to print first n odd numbers using For loop
  6. Write C Program to Add All Numbers up To n  using For loop (1 + 2 + 3 + …. + n)
  7. Write C Program to display a-z characters using For loop
  8. Write C Program to print multiplication table of 5 using For loop (5 x 1 = 5)
  9. Write C Program to print multiplication table of n up to m using For loop
  10. Write C Program to Find Factorial of n using For loop
  11. Write C Program to Print Fibonacci Series using For loop
  12. Write C Program to print nPr using For loop
  13. Write C Program to print nCr using For loop
  14. Write C Program to count number of digits in given number using For loop
  15. Write C Program to Add Digits of Number using For loop
  16. Write C Program to print First Digit of Number using For loop
  17. Write C Program to print First and Last Digit of a Number using For loop
  18. Write C Program to Swap First and Last Digit of a Number using For loop
  19. Write C Program to Reverse The Number using For loop
  20. Write C Program to Check If Given Number is Palindrome or Not using For loop
  21. Write C Program to Check if Given Number is Prime or Not using For loop
  22. Write C Program to Print Numbers Between 1 and n Divisible By m using For loop
  23. Write C Program to Print All Divisor of Number using For loop
  24. Write C Program to Print First n Prime Numbers using For loop
  25. Write C Program to Print First n Palindrome Numbers using For loop
  26. Write C Program to Print All Prime Numbers Between n and m using For loop
  27. Write C Program to Print All Palindrome Numbers Between n and m using For loop
  28. Write C Program to Check if Give Number is Armstrong or Not using For loop
  29. Write C Program to Print First n Armstrong Numbers using For loop
  30. Write C Program to print all Armstrong numbers Between n and m using For loop
  31. Write C Program to Check the Number is a Krishnamurthy Number using For loop
  32. Write C Program to Print if Numbers Are Same or Not by Comparing Individual Digits. using For loop
  33. Write C Program to Find GCD Two Numbers using For loop
  34. Write C Program to Find LCM of Two Numbers using For loop
  35. Write C Program to Check if Given Number is Perfect Square or Not using For loop
  36. Write C Program to Check Number is a Prime, Armstrong, or Perfect Square using For loop
  37. Write C Program to Find Factors of Number using For loop
  38. Write C Program to Find Prime Factors of Number using For loop

C Programs: Do-While Loop

  1. Write C Program to Demonstrate Use of do-while loop
  2. Write Menu Based C Program to Implement Simple Calculator using do-while loop
  3. Write Menu Based C Program to Print First 10 Positive or Negative Numbers using do-while loop
  4. Write Menu Based C Program to Print Objects of Different Class using do-while loop
  5. Write Menu Based C Program to Convert Current Time to Different Time Zone using do-while loop

C Programs: Number System / Base Conversion

  1. Write C Program to Convert Decimal to Binary
  2. Write C Program to Convert Binary to Decimal
  3. Write C Program to Convert Decimal to Octal
  4. Write C Program to Convert Octal to Decimal
  5. Write C Program to Convert Decimal to Hexadecimal
  6. Write C Program to Convert Hexadecimal  to Decimal
  7. Write C Program to Convert Binary to Octal
  8. Write C Program to Convert Octal to Binary
  9. Write C Program to Convert Binary to Hexadecimal
  10. Write C Program to Convert Hexadecimal to Binary
  11. Write C Program to Convert Hexadecimal to Octal
  12. Write C Program to Convert Octal to Hexadecimal

C Programs: Array

  1. Write C Program to Initialize an Array in Program and Print it
  2. Write C Program to Scan and Print Array of Size n
  3. Write C Program to Add All the Elements of an Array
  4. Write C Program to Print Array in Reverse Order
  5. Write C Program to Find Key Element From an Array (Linear Search)
  6. Write C Program to find Maximum and Minimum From Array
  7. Write C Program to find Second Smallest and Second Largest Element from an Array
  8. Write C Program to Count Positive, Negative and Zeros in an Array
  9. Write C Program to Sum Positive and Negative Elements in Array
  10. Write C Program to Find Average of Array Elements
  11. Write C Program to Find Number of Elements in an Array
  12. Write C Program to Compare Two Arrays
  13. Write C Program to Count Odd and Even Numbers in Given Array
  14. Write C Program to Count Occurrence of Given Element in an Array
  15. Write C Program to find Mean, Variance and Standard Deviation of an Array
  16. Write C Program to Check if Given Array is Sorted or Not
  17. Write C Program to Replace Array Elements by Given Value
  18. Write C Program to Delete Element From an Array by Value
  19. Write C Program to Delete Element From an Array by Location
  20. Write C Program to Delete Duplicate Element From an Array
  21. Write C Program to Insert an element in an Array at Given Location
  22. Write C Program to Implement Binary Search
  23. Write C Program to Check Whether a Number can be Expressed as Sum of Two Prime Numbers
  24. Write C Program to Find Denomination for Given Amount

C Programs: Matrix

  1. Write C Program to Initialize 3 x 3 Matrix and Print it
  2. Write C Program to Scan and Print 3 x 3 Matrix 
  3. Write C Program to Add Two Matrices of Size 3 X 3.
  4. Write C Program to Multiply Two Matrices of Size 3 X 3.
  5. Write C Program to Find Norm and Trace of Matrix of Size 3 X 3.
  6. Write C Program to Find Row Sum and Column Sum of Matrix of Size 3 X 3.
  7. Write C Program to Find Sum of Diagonal, Off Diagonal and Non Diagonal Elements of 3X3 Matrix
  8. Write C Program to Traverse Matrix Helically.
  9. Write C Program to Check if Given Matrix is Magic Matrix or Not
  10. Write C Program to Print Lower and Upper Triangle of Matrix
  11. Write C Program to Compute Transpose of Matrix

C Programs: String

  1. Write C Program to Initialize and Print String
  2. Write C Program to Scan and Print String
  3. Write C Program to Demonstrate the Use of gets() Function
  4. Write C Program to Find Length of String
  5. Write C Program to Reverse String
  6. Write C Program to Copy String in Another String
  7. Write C Program to Concate Two Strings
  8. Write C Program to Compare Two Strings
  9. Write C Program to Check if Given String is Palindrome or Not
  10. Write C Program to Count Number of Occurrence of Character in String
  11. Write C Program to Count Vowel, Consonant and White Space from String.
  12. Write C Program to Convert String in Upper Case, Lower Case and Toggle Case
  13. Write menu-driven Program to Convert String in Upper Case, Lower Case and Toggle Case using do-while loop
  14. Write C Program to Delete Given Character From the String
  15. Write C Program to Insert Sub String at Specific Location
  16. Write C Program to Find Sub String from the Given String
  17. Write C Program to Replace Sub String with Other String
  18. Write C Program to Count Occurrence of Word in Given String
  19. Write C Program to Delete White Spaces From the String
  20. Write C Program to Remove all Vowels From String
  21. Write C Program to Remove Given Word From the String
  22. Write C Program to check valid username and password (print: success or failure)
  23. Write C Program to convert a Person’s Name in Abbreviated Form

C Programs: Recursion

  1. Write C Program to Add Two Numbers using Recursion
  2. Write C Program to Add Digits of Number using Recursion
  3. Write C Program to Find Factorial of Number Using Recursion
  4. Write C Program to Find Fibonacci Series Using Recursion
  5. Write C Program to Find Maximum Number From Array Using Recursion
  6. Write C Program to Add First n Numbers using Recursion
  7. Write C Program to Find Sum of All Array Elements Using Recursion
  8. Write C Program to Search Element From Array Using Recursion
  9. Write C Program to perform Binary Search using Recursion
  10. Write C Program to Find GCD of Two Numbers using Recursion
  11. Write C Program to Find LCM of Two Numbers using Recursion
  12. Write C Program to Find the Sum of Natural Numbers using Recursion
  13. Write C Program to Reverse a Number Using Recursion
  14. Write C Program to Reverse a String Using Recursion
  15. Write C Program to Check if Given Number is Palindrome or Not using Recursion
  16. Write C Program to Check if Given String is Palindrome or Not using Recursion
  17. Write C Program to Calculate the Power using Recursion

C Programs: Sorting Methods

  1. Write C Program to Implement Bubble sort
  2. Write C Program to Implement Selection sort
  3. Write C Program to Implement Insertion sort
  4. Write C Program to Implement Heap sort
  5. Write C Program to Implement Merge sort
  6. Write C Program to Implement Quick sort
  7. Write C Program to Implement Shell sort
  8. Write C Program to Implement Radix sort
  9. Write C Program to Implement Bucket sort
  10. Write C Program to Implement Counting sort
  11. Write C Program to Sort the Characters in Ascending order
  12. Write C Program to Sort the String in Ascending order