Topic: language-problem / Level: intermediate

• 1152. Write a program to find the largest and smallest elements in a linked list.
• 1153. Write a program to check if a number is a perfect number using the sum of divisors.
• 1154. Write a program to implement a simple string compression algorithm.
• 1155. Write a program to find the common elements between two arrays using a function.
• 1156. Write a program to check if a string can be formed by rearranging another string.
• 1157. Write a program to implement a basic game of chess using text commands.
• 1158. Write a program to find the longest common subsequence between two strings.
• 1159. Write a program to check if a given string is a valid base64 encoded string.
• 1160. Write a program to calculate the sum of all even Fibonacci numbers up to n.
• 1161. Write a program to implement a simple budget tracker application.
• 1162. Write a program to find the maximum sum of a non-contiguous subarray using dynamic programming.
• 1163. Write a program to check if a number is an odd composite number.
• 1164. Write a program to implement a simple contact organizer.
• 1165. Write a program to find the sum of prime numbers less than a given number.
• 1166. Write a program to check if a string has balanced square brackets.
• 1167. Write a program to implement a basic text-based adventure game with quests.
• 1168. Write a program to find the shortest path in an unweighted graph using BFS.
• 1169. Write a program to check if a string contains a palindrome.
• 1170. Write a program to implement a simple shopping cart system with discounts.
• 1171. Write a program to find the greatest common divisor (GCD) using recursion.
• 1172. Write a program to calculate the average of numbers in a linked list.
• 1173. Write a program to check if two strings are anagrams of each other using sorting.
• 1174. Write a program to implement a basic file reader and writer.
• 1175. Write a program to find the sum of squares of the first n odd numbers.
• 1176. Write a program to check if a number is a harshad number.
• 1177. Write a program to calculate the total cost of items in a shopping cart.
• 1178. Write a program to check if a string is a valid email address format.
• 1179. Write a program to implement a simple online ticket reservation system.
• 1180. Write a program to find the minimum number of swaps required to sort an array.
• 1181. Write a program to check if a number is a Kaprekar number.
• 1182. Write a program to find the longest substring without repeating characters.
• 1183. Write a program to implement a simple event planner application.
• 1184. Write a program to find the first character that is not repeated in a string.
• 1185. Write a program to check if a given string is a valid binary number.
• 1186. Write a program to find the sum of all multiples of 3 or 5 below a given number.
• 1187. Write a program to implement a basic calculator that can handle decimals.
• 1188. Write a program to check if a string has all the letters of the alphabet (pangram).
• 1189. Write a program to find the total number of uppercase letters in a string.
• 1190. Write a program to implement a basic online journal.
• 1191. Write a program to check if a string is a valid time in 24-hour format.
• 1192. Write a program to find the maximum frequency of any digit in a number.
• 1193. Write a program to implement a simple character frequency counter.
• 1194. Write a program to find the total number of elements in a linked list.
• 1195. Write a program to check if a string is a valid HTML tag.
• 1196. Write a program to find the longest decreasing subsequence in an array.
• 1197. Write a program to implement a simple user login system.
• 1198. Write a program to check if a number is a sociable number.
• 1199. Write a program to find the intersection of two linked lists.
• 1200. Write a program to calculate the total number of even and odd numbers in a list.
• 1201. Write a program to implement a basic game of Minesweeper.

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