More Problems

• Write a program to check if a number can be expressed as the sum of three squares.
• Write a program to find the longest increasing subsequence in an array.
• Write a program to implement a basic online shopping application with user reviews.
• Write a program to check if two strings can be made equal with a limited number of character swaps.
• Write a program to find the longest common substring between two strings using dynamic programming.
• Write a program to implement a simple online game using a graphical interface.
• Write a program to check if a binary tree is complete.
• Write a program to find the sum of the digits of a number until a single digit is obtained.