More Problems

• Find the longest subarray where all elements are greater than a given number k.
• Check if an array contains both positive and negative prime numbers.
• Find the number of elements in an array that are multiples of 4 and 6.
• Check if the sum of the first half of an array is greater than the sum of the second half.
• Check if all elements in a 2D matrix are either even or odd.
• Find the row in a 2D matrix that contains the most composite numbers.
• Check if the product of all elements in an array is divisible by the sum of its elements.
• Find the sum of all elements in a 2D matrix that are located in the first two columns.