More Problems

• Write a program to check if a number is a Fibonacci number using a closed-form expression.
• Write a program to find the longest palindrome in a string using dynamic programming.
• Write a program to implement a simple online ticket reservation system.
• Write a program to check if a string can be rearranged to form a palindrome.
• Write a program to find the first non-repeating character in a string using a hash table.
• Write a program to implement a basic online shopping application with inventory management.
• Write a program to check if two strings are equal using a character-by-character comparison.
• Write a program to calculate the total cost of items in a shopping cart including taxes.