More Problems

• 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.
• Write a program to implement a simple online course registration system.
• Write a program to check if a number is a sociable number.
• Write a program to find the total number of unique characters in a string.
• Write a program to implement the insertion sort algorithm.
• Write a program to check if two numbers are coprime using the Euclidean algorithm.
• Write a program to find the longest increasing subsequence in a matrix.