More Problems

• Check if an array contains only odd-indexed prime numbers.
• Check if an array contains only even-indexed composite numbers.
• Find the longest contiguous subarray where the sum of elements is greater than the product of the elements.
• Find the sum of all elements at odd indices in a 2D matrix.
• Find the sum of all elements at even indices in a 2D matrix.
• Find the maximum sum of any k consecutive elements in a 2D matrix.
• Find the product of all elements at the boundary of a 2D matrix.
• Find the row in a 2D matrix where all elements are prime numbers.