More Problems

• Write a program to check if a number is a strong number using its prime factors.
• Write a program to find the longest common subsequence in a given matrix.
• Write a program to implement a simple online quiz application with random questions.
• Write a program to check if a string is a valid MAC address.
• Write a program to find the largest rectangle in a histogram.
• Write a program to check if a number is a semiprime.
• Write a program to implement a basic spell checker that suggests corrections.
• Write a program to find the number of islands in a 2D grid of 1s (land) and 0s (water).