More Problems

• Write a program to calculate the product of all odd elements in the first and last rows of the matrix.
• Write a program to count how many elements in the matrix are divisible by both 6 and 8.
• Write a program to count how many elements in the matrix are divisible by both 9 and 12.
• Write a program to print all prime numbers in the diagonals of the matrix.
• Write a program to print all composite numbers in the borders of the matrix.
• Write a program to calculate the sum of all elements in the matrix divisible by both 3 and 5.
• Write a program to calculate the product of all elements in the matrix divisible by both 7 and 9.
• Write a program to replace all prime elements in the matrix with the sum of their row and column indices.