More Problems

• Write a program to check if a string is a valid date in the format MM-DD-YYYY.
• Write a program to find the sum of the first n perfect squares.
• Write a program to implement a simple online reservation system for restaurants.
• Write a program to check if two strings can be rearranged to form an anagram.
• Write a program to find the longest decreasing subsequence in an array.
• Write a program to implement a basic online survey system.
• Write a program to check if a number is a perfect number using its divisors.
• Write a program to find the maximum product of any three numbers in an array.