More Problems

• Write a program to find the longest palindrome that can be formed from the characters of a string.
• Write a program to implement a simple online ticket booking system with payment processing.
• Write a program to check if a string can be rearranged to form a valid palindrome.
• Write a program to find the maximum sum rectangle in a 2D matrix.
• Write a program to implement a basic online coding platform for coding challenges.
• Write a program to check if a number is a sociable number.
• Write a program to find the longest increasing subsequence using binary search.
• Write a program to implement a simple online recipe sharing application.