More Problems

• Find the longest contiguous subarray where the sum of elements is a multiple of their digit sum.
• Find the longest contiguous subarray where the product of elements is a multiple of their digit product.
• Check if the sum of all diagonal elements in a square 2D matrix is smaller than the product of the boundary elements.
• Check if the product of all diagonal elements in a square 2D matrix is greater than the sum of the boundary elements.
• Find the row in a 2D matrix where the sum of elements is smaller than the square of their index sum.
• Find the column in a 2D matrix where the product of elements is greater than the cube of their index product.
• Check if all rows in a 2D matrix contain elements greater than their row number.
• Check if all columns in a 2D matrix contain elements smaller than their column number.