More Problems

• Check if the sum of elements in the first row of a 2D matrix is a prime number.
• Check if the sum of elements in the last column of a 2D matrix is a composite number.
• Find the longest contiguous subarray where the sum of elements is less than the product of the elements.
• Check if an array is made up of only odd-indexed even numbers.
• 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.