More Problems

• Check if the product of elements in the first k columns of a 2D matrix is divisible by a given number y.
• Find the number of subarrays where the sum of elements is a multiple of 7.
• Find the number of subarrays where the product of elements is a multiple of 9.
• Find the row in a 2D matrix where the sum of the first and last elements is the smallest.
• Find the column in a 2D matrix where the product of the first and last elements is the largest.
• Check if the sum of elements in an array is divisible by both 3 and 5.
• Check if the product of elements in an array is divisible by both 6 and 8.
• Find the sum of elements at indices that are multiples of 4 in a 2D matrix.