More Problems

• Check if the sum of the boundary elements of a 2D matrix is divisible by a given number.
• Check if the product of the inner elements of a 2D matrix is divisible by a given number.
• Find the number of subarrays where the sum of elements is divisible by the length of the subarray.
• Find the number of subarrays where the product of elements is divisible by the length of the subarray.
• Check if the sum of the elements in an array is a prime number.
• Check if the product of the elements in an array is a composite number.
• Find the longest contiguous subarray where all elements are greater than their index.
• Find the longest contiguous subarray where all elements are smaller than their index.