More Problems

• Check if the sum of elements in a square 2D matrix is a perfect square.
• Check if the product of elements in a square 2D matrix is a perfect cube.
• Find the number of subarrays where the sum of elements is smaller than their digit sum.
• Find the number of subarrays where the product of elements is smaller than their digit product.
• Check if the sum of diagonal elements in a square 2D matrix is greater than the product of the other elements.
• Check if the product of diagonal elements in a square 2D matrix is smaller than the sum of the other elements.
• Find the longest contiguous subarray where the sum of elements is a multiple of both 2 and 3.
• Find the longest contiguous subarray where the product of elements is a multiple of both 4 and 6.