More Problems

• Check if the sum of all boundary elements in a square 2D matrix is a multiple of their index sum.
• Check if the product of all boundary elements in a square 2D matrix is a multiple of their index product.
• Find the longest contiguous subarray where the sum of elements is smaller than the sum of their digit cubes.
• Find the longest contiguous subarray where the product of elements is greater than the product of their digit squares.
• Check if the sum of all odd-indexed elements in an array is divisible by the product of their indices.
• Check if the product of all even-indexed elements in an array is divisible by the sum of their indices.
• Find the number of elements in an array that are divisible by both 4 and 8.
• Find the number of elements in an array that are divisible by both 5 and 15.