More Problems

• Find the number of elements in an array that are divisible by both 10 and 20.
• Check if the sum of all odd-indexed elements in an array is divisible by their index sum.
• Check if the product of all even-indexed elements in an array is divisible by their index product.
• Find the row in a 2D matrix where the sum of elements is smaller than the product of all elements in other rows.
• Find the column in a 2D matrix where the product of elements is greater than the sum of all elements in other columns.
• Find the longest contiguous subarray where the sum of elements is divisible by the sum of their digit squares.
• Find the longest contiguous subarray where the product of elements is divisible by the product of their digit cubes.
• Check if the sum of all diagonal elements in a square 2D matrix is divisible by the sum of the boundary elements.