More Problems

• Write a program to implement the BFS (Breadth-First Search) algorithm for graph traversal.
• Write a program to check if a string can be rearranged to form a palindrome.
• Write a program to find the first unique character in a string using a hash map.
• Write a program to implement a simple online bookstore with search functionality.
• Write a program to check if a number is a perfect number using its divisors.
• Write a program to find the longest common prefix among multiple strings using a trie.
• Write a program to implement a simple online course management system.
• Write a program to check if a number is a strong composite number.