More Problems

• Write a program to check if a string can be rearranged to form a valid palindrome.
• Write a program to find the total number of distinct characters in a string.
• Write a program to implement a simple online photo gallery.
• Write a program to check if a number is a perfect cube using the cube root method.
• Write a program to find the longest decreasing subsequence in an array.
• Write a program to implement a basic online survey application.
• Write a program to check if a number is a composite number using a function.
• Write a program to find the longest common prefix among multiple strings.