More Problems

• Write a program to check if a number is a palindromic prime.
• Write a program to find the total number of vowels in a string using a loop.
• Write a program to implement a simple chat application using sockets.
• Write a program to check if a string is a valid IPv4 address.
• Write a program to find the longest common subsequence of two sequences.
• Write a program to implement a simple quiz application with scoring and feedback.
• Write a program to check if a number can be expressed as the sum of three distinct primes.
• Write a program to find the maximum sum rectangle in a 2D matrix.