Topic: language-problem / Level: beginner

• 101. Write a program to find the common elements between two arrays.
• 102. Write a program to check if a given character is a vowel or consonant.
• 103. Write a program to print the first n terms of the Fibonacci series using iteration.
• 104. Write a program to implement a basic currency converter.
• 105. Write a program to calculate the volume of a cylinder given the radius and height.
• 106. Write a program to print a right-angled triangle of stars.
• 107. Write a program to find the sum of digits of a number using recursion.
• 108. Write a program to calculate the compound interest.
• 109. Write a program to sort an array of strings in alphabetical order.
• 110. Write a program to implement a basic todo list using arrays.
• 111. Write a program to find the largest and smallest number in a list of numbers.
• 112. Write a program to count how many times a specific number appears in an array.
• 113. Write a program to implement a basic password validation.
• 114. Write a program to display the even indexed elements of an array.
• 115. Write a program to find the number of integers divisible by a given number in a range.
• 116. Write a program to print the numbers in reverse order.
• 117. Write a program to find the sum of even and odd numbers separately in a range.
• 118. Write a program to display a multiplication table for a given number.
• 119. Write a program to convert kilometers to miles.
• 120. Write a program to find the area of a triangle given its base and height.
• 121. Write a program to check if a number is a triangular number.
• 122. Write a program to find the maximum element in a 2D array.
• 123. Write a program to implement a simple version of the game Rock, Paper, Scissors.
• 124. Write a program to read a string and print its length without using the strlen function.
• 125. Write a program to calculate the number of bits needed to represent an integer.
• 126. Write a program to print the squares of numbers from 1 to n.
• 127. Write a program to find the sum of all prime numbers up to n.
• 128. Write a program to implement a simple number guessing game with feedback.
• 129. Write a program to check if a string is a valid email address (basic validation).
• 130. Write a program to find the minimum element in a 2D array.
• 131. Write a program to implement a simple text-based calendar.
• 132. Write a program to find the index of the first occurrence of a character in a string.
• 133. Write a program to check if a number is a perfect number.
• 134. Write a program to print all combinations of two digits.
• 135. Write a program to calculate the perimeter of a rectangle.
• 136. Write a program to implement a basic text file reader.
• 137. Write a program to check if a string contains all unique characters.
• 138. Write a program to find the length of the longest word in a sentence.
• 139. Write a program to check if a number is a palindrome.
• 140. Write a program to convert a string to uppercase.
• 141. Write a program to calculate the sum of the first n squares.
• 142. Write a program to check if a string is a rotation of another string.
• 143. Write a program to find the intersection of two arrays.
• 144. Write a program to implement a simple budget calculator.
• 145. Write a program to display a character pattern in a pyramid shape.
• 146. Write a program to check if a string is a valid hexadecimal number.
• 147. Write a program to find the largest prime factor of a number.
• 148. Write a program to implement a basic email validation.
• 149. Write a program to count the number of words in a string using pointers.
• 150. Write a program to convert Fahrenheit to Celsius.

• More Levels

• Intermediate
• Advanced