More Problems

• Write a program to check if the matrix contains only prime numbers in the top-left quadrant.
• Write a program to check if the matrix contains only composite numbers in the bottom-right quadrant.
• Write a program to replace all diagonal elements with the sum of their row indices.
• Write a program to replace all border elements with the sum of their column indices.
• Write a program to print the matrix in diagonal zigzag order starting from the top-right corner.
• Write a program to print the matrix in diagonal zigzag order starting from the bottom-left corner.
• Write a program to replace all odd numbers in the matrix with their absolute values.
• Write a program to replace all even numbers in the matrix with their negatives.