More Problems

• Write a program to replace all prime numbers in the matrix with 0.
• Write a program to replace all composite numbers in the matrix with -1.
• Write a program to calculate the sum of all even elements in the top-right quadrant of the matrix.
• Write a program to calculate the sum of all odd elements in the bottom-left quadrant of the matrix.
• Write a program to check if all diagonal elements are divisible by both 3 and 5.
• Write a program to print the matrix elements in a zigzag pattern starting from the top-right corner.
• Write a program to print the matrix elements in a zigzag pattern starting from the bottom-left corner.
• Write a program to replace all elements in the main diagonal with the maximum element of their row.