More Problems

• 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.
• Write a program to replace all composite elements in the matrix with the product of their row and column indices.
• Write a program to print the matrix elements in reverse diagonal order starting from the top-right corner.
• Write a program to print the matrix elements in reverse diagonal order starting from the bottom-left corner.
• Write a program to count how many elements in the matrix are divisible by both 4 and 6.
• Write a program to count how many elements in the matrix are divisible by both 5 and 8.
• Write a program to calculate the sum of all perfect square numbers in the first and last rows of the matrix.