More Problems

• Find the column in a 2D matrix where the product of elements is larger than the product of elements in all other columns.
• Check if all elements in an array are powers of 6.
• Check if all elements in an array are powers of 7.
• Find the longest contiguous subarray where the sum of elements is divisible by both 8 and 12.
• Find the longest contiguous subarray where the product of elements is divisible by both 9 and 15.
• Check if the sum of all elements in the boundary of a 2D matrix is a perfect square.
• Check if the product of all elements in the boundary of a 2D matrix is a perfect cube.
• Find the number of elements in an array that are divisible by both 10 and 20.