More Problems

• Check if the sum of elements at prime indices in an array is divisible by their index sum.
• Check if the product of elements at composite indices in an array is divisible by their index product.
• Find the row in a 2D matrix where the sum of elements is smaller than the sum of all other rows.
• Find the column in a 2D matrix where the product of elements is larger than the product of all other columns.
• Find the number of subarrays where the sum of elements is greater than the product of their index sum.
• Find the number of subarrays where the product of elements is smaller than the sum of their index product.
• Check if all rows in a 2D matrix contain elements smaller than their row number.
• Check if all columns in a 2D matrix contain elements greater than their column number.