More Problems

• Find the column in a 2D matrix where the product of elements is equal to the sum of their digit product.
• Check if the sum of all diagonal elements in a square 2D matrix is a perfect square.
• Check if the product of all diagonal elements in a square 2D matrix is a perfect cube.
• Find the longest contiguous subarray where the sum of elements is divisible by the sum of their index cubes.
• Find the longest contiguous subarray where the product of elements is divisible by the product of their index squares.
• Check if the sum of elements at prime indices in an array is smaller than their index squared.
• Check if the product of elements at composite indices in an array is smaller than their index cubed.
• Find the number of subarrays where the sum of elements is greater than the sum of their digit sum.