More Problems

• Write a program to implement a simple spell checker using a dictionary of words.
• Write a program to check if a binary tree is height-balanced.
• Write a program to find the longest palindromic prefix in a string.
• Write a program to implement the insertion sort algorithm using a doubly linked list.
• Write a program to check if a number is an abundant number using its divisors.
• Write a program to find the first unique character in a string with the least appearances.
• Write a program to implement a basic text-based simulation of a banking system.
• Write a program to check if a string is a valid XML document.