More Problems

• Write a program to calculate the product of all elements divisible by 5 and 9 in the matrix.
• Write a program to check if the matrix contains only prime numbers in the borders.
• Write a program to check if the matrix contains only composite numbers in the diagonals.
• Write a program to replace all prime numbers in the borders with -3.
• Write a program to replace all composite numbers in the diagonals with 3.
• Write a program to print the matrix elements in a clockwise pattern starting from the center.
• Write a program to print the matrix elements in a counterclockwise pattern starting from the outer edges.
• Write a program to check if the sum of all elements in the first diagonal is greater than the sum of all elements in the second diagonal.