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Topic: C-question / Level: Beginner
61. Write a program to count the number of lines in a text file.
62. Write a program to print the reverse of a string using recursion.
63. Write a program to check if a number is a Fibonacci number.
64. Write a program to implement bubble sort.
65. Write a program to find the sum of the first n even numbers.
66. Write a program to implement selection sort.
67. Write a program to print the nth Fibonacci number.
68. Write a program to calculate the factorial of a number using loops.
69. Write a program to find the longest word in a string.
70. Write a program to implement insertion sort.
71. Write a program to find the maximum difference between two elements in an array.
72. Write a program to print the elements of a matrix in spiral order.
73. Write a program to check if a string is a valid email address.
74. Write a program to find the smallest prime factor of a number.
75. Write a program to generate all permutations of a string.
76. Write a program to find the number of vowels and consonants in a string.
77. Write a program to implement linear search.
78. Write a program to implement binary search.
79. Write a program to find the longest palindromic substring in a string.
80. Write a program to find the intersection of two arrays.
81. Write a program to calculate the sum of digits of a number until a single digit is obtained.
82. Write a program to check if a number is a palindrome.
83. Write a program to generate the first n square numbers.
84. Write a program to find the sum of all prime numbers less than a given number.
85. Write a program to check if a given string is a valid IP address.
86. Write a program to find the Nth smallest element in an array.
87. Write a program to print the ASCII values of all characters in a string.
88. Write a program to find the sum of all odd numbers in an array.
89. Write a program to find the minimum and maximum elements in a linked list.
90. Write a program to count the number of uppercase and lowercase letters in a string.
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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.
Write a program to implement a simple e-commerce website backend.
Write a program to check if a given string is a palindrome.
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.