More Problems

• Write a program to calculate the sum of all prime elements in the first and last columns.
• Write a program to print all the elements in the matrix that are divisible by 4 and 6.
• Write a program to print all the elements in the matrix that are divisible by 9 and 11.
• Write a program to check if the matrix contains only odd prime numbers in the first diagonal.
• Write a program to check if the matrix contains only even composite numbers in the second diagonal.
• Write a program to print the matrix elements in alternating row zigzag pattern.
• Write a program to print the matrix elements in alternating column zigzag pattern.
• Write a program to replace all diagonal elements with the greatest common divisor (GCD) of their row and column sums.