More Problems

• Find the sum of all elements in the even columns of a 2D matrix.
• Find the difference between the maximum and minimum elements in each row of a 2D array.
• Find the largest element in a 2D matrix that is smaller than the diagonal elements.
• Replace all elements in a 2D matrix that are smaller than the diagonal elements with zero.
• Find the longest contiguous subarray with elements that have alternating parity (odd and even).
• Find the number of contiguous subarrays where all elements are greater than the sum of their indices.
• Check if all elements in an array are Fibonacci numbers.
• Find the number of elements in an array that are both perfect squares and divisible by a given number.