More Problems

• Write a program to find the sum of all digits of a number using recursion.
• Write a program to check if a number is a perfect square using a function.
• Write a program to implement a simple game of Tic-Tac-Toe with a graphical interface.
• Write a program to find the minimum and maximum elements in a list using pointers.
• Write a program to convert a hexadecimal number to decimal using a function.
• Write a program to find the longest increasing subsequence in an array using dynamic programming.
• Write a program to implement a basic job scheduling system.
• Write a program to check if a string is a valid URL using regex.