More Problems

• Find the sum of elements at prime indices in each row of a 2D matrix.
• Find the product of elements at composite indices in each column of a 2D matrix.
• Check if the sum of elements in a 2D matrix is a multiple of the number of rows and columns.
• Check if the product of elements in each diagonal of a 2D matrix is a perfect square.
• Find the row in a 2D matrix where the sum of the elements is a multiple of a given number x.
• Find the column in a 2D matrix where the product of the elements is divisible by a given number y.
• Find the number of elements in a 2D matrix that are prime numbers.
• Find the number of elements in a 2D matrix that are composite numbers.