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Topic: C-question / Level: Beginner
91. Write a program to remove whitespace from a string.
92. Write a program to generate a pattern of numbers.
93. Write a program to find the sum of two complex numbers.
94. Write a program to implement a simple text editor (copy, paste).
95. Write a program to convert decimal to binary.
96. Write a program to find the first non-repeating character in a string.
97. Write a program to count the number of punctuation marks in a string.
98. Write a program to implement a queue using arrays.
99. Write a program to implement a stack using arrays.
100. Write a program to reverse the order of words in a string.
101. Write a program to find the greatest of two numbers using a function.
102. Write a program to print the first n natural numbers.
103. Write a program to find the sum of the first n squares.
104. Write a program to implement a simple login system.
105. Write a program to find the nth term of an arithmetic progression.
106. Write a program to check if a string contains only alphabets.
107. Write a program to count the number of digits in a string.
108. Write a program to find the common characters between two strings.
109. Write a program to implement a simple text-based game (like Tic-Tac-Toe).
110. Write a program to calculate the area of a triangle.
111. Write a program to print the prime factors of a number.
112. Write a program to find the longest common prefix among an array of strings.
113. Write a program to check if a string is a valid JSON object.
114. Write a program to find the unique elements in an array.
115. Write a program to find the frequency of each character in a string.
116. Write a program to find the first repeated character in a string.
117. Write a program to implement a basic URL shortener.
118. Write a program to check if a number is an automorphic number.
119. Write a program to find the area of a rectangle.
120. Write a program to calculate the volume of a cylinder.
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Write a program to find the sum of the digits of a given integer.
Write a program to find the GCD (greatest common divisor) of two integers.
Write a program to find the number of words in a string.
Write a program to calculate the power of a number using loops.
Write a program that checks whether a given integer is even or odd.
Write a program to find the longest palindromic subsequence in a string.
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Write a program to find the longest palindromic substring using dynamic programming.
Write a program to find the maximum sum of a subarray with a given size.
Write a program to implement a simple web server.
Write a program to implement a simple interest calculator.
Write a program to implement a simple file manager.
Write a program to implement a priority queue using a binary heap.
Write a program to implement a simple web server.