More Problems

• 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.
• Check if the sum of diagonal elements in a square 2D matrix is greater than the sum of their cubes.
• Check if the product of diagonal elements in a square 2D matrix is smaller than the product of their squares.
• Find the number of elements in an array that are divisible by both their digit sum and index sum.
• Find the number of elements in an array that are divisible by both their digit product and index product.
• Check if all rows in a 2D matrix contain elements smaller than the sum of their digit sum.
• Check if all columns in a 2D matrix contain elements greater than the product of their digit product.