More Problems

• Find the sum of elements in the first and last columns of a 2D matrix.
• Find the product of elements in the first and last rows of a 2D matrix.
• Check if the sum of all prime numbers in an array is greater than the sum of all composite numbers.
• Check if the product of all prime numbers in an array is less than the product of all composite numbers.
• Find the longest contiguous subarray where the sum of elements is greater than a given number k.
• Find the longest contiguous subarray where the product of elements is smaller than a given number x.
• Check if the sum of elements in an array is equal to the product of its elements.
• Check if the sum of the first n elements in an array is equal to the sum of the last n elements.