More Problems

• Find the number of elements in an array that are divisible by both their index and their digit square.
• Check if the sum of diagonal elements in a square 2D matrix is divisible by both their index sum and their digit sum.
• Check if the product of diagonal elements in a square 2D matrix is divisible by both their index product and their digit product.
• Find the longest contiguous subarray where the sum of elements is greater than the product of their digit sum.
• Find the maximum sum of k consecutive elements in an array using a sliding window approach.
• Implement a function to rotate an array by k positions to the right without using extra space.
• Given two sorted arrays, merge them into a single sorted array in O(n) time.
• Find the length of the longest subarray where the sum of the elements is less than a given value x.