More Problems

• Write a program to check if a number is a prime number using the Sieve of Eratosthenes.
• Write a program to find the longest common prefix among an array of strings.
• Write a program to implement a simple bank account management system.
• Write a program to check if a number is an automorphic number.
• Write a program to find the total number of characters in a string using recursion.
• Write a program to implement a simple character encoding and decoding system.
• Write a program to check if two strings are equal ignoring case and punctuation.
• Write a program to find the longest substring without repeating characters using a sliding window approach.