More Problems

• Write a program to calculate the sum of all prime numbers in the first and last columns.
• Write a program to calculate the sum of all prime numbers in the first and last rows.
• Write a program to check if the sum of all diagonal elements is divisible by both 5 and 10.
• Write a program to check if the product of all border elements is divisible by both 6 and 12.
• Write a program to print all perfect squares in the diagonals of the matrix.
• Write a program to print all perfect cubes in the borders of the matrix.
• Write a program to replace all even elements in the matrix with the greatest common divisor (GCD) of their row and column indices.
• Write a program to replace all odd elements in the matrix with the least common multiple (LCM) of their row and column indices.