More Problems

• Check if all elements in a 2D matrix are divisible by their row number and column number.
• Check if the sum of elements at prime indices in an array is greater than the sum of their digit sum.
• Check if the product of elements at composite indices in an array is smaller than the product of their digit product.
• Find the row in a 2D matrix where the sum of elements is greater than the sum of elements in all other rows.
• Find the column in a 2D matrix where the product of elements is smaller than the product of elements in all other columns.
• Find the longest contiguous subarray where the sum of elements is smaller than the sum of their digit sum.
• Find the longest contiguous subarray where the product of elements is greater than the product of their digit product.
• Check if the sum of all diagonal elements in a square 2D matrix is greater than the sum of all other elements.