More Problems

• Write a program to check if a number is a palindromic number using string manipulation.
• Write a program to find the sum of the digits of a number until a single digit is obtained.
• Write a program to implement a simple online course management system.
• Write a program to check if a number is a Harshad number using its digits.
• Write a program to find the longest common subsequence between two sequences using recursion.
• Write a program to implement a basic online voting application with result tracking.
• Write a program to check if a string is a valid date in the format MM-DD-YYYY.
• Write a program to find the maximum sum rectangle in a 2D matrix.