More Problems

• Check if all elements in an array are divisible by both their index and their digit sum.
• Check if all elements in an array are divisible by both their index and their digit product.
• Find the row in a 2D matrix where the sum of elements is a multiple of the sum of their digit sum.
• Find the column in a 2D matrix where the product of elements is a multiple of the product of their digit product.
• Check if the sum of elements in a square 2D matrix is smaller than the product of the boundary elements.
• Check if the product of elements in a square 2D matrix is greater than the sum of the boundary elements.
• Find the longest contiguous subarray where the sum of elements is divisible by both their digit sum and index sum.
• Find the longest contiguous subarray where the product of elements is divisible by both their digit product and index product.