More Problems

• Check if a 2D matrix is symmetric about its main diagonal.
• Find the row with the minimum sum in a 2D array.
• Find the row with the maximum product in a 2D array.
• Count how many rows contain negative numbers in a 2D array.
• Count how many columns contain positive numbers in a 2D array.
• Check if a given 2D matrix is sparse (more than half of its elements are zero).
• Find the maximum element in each diagonal of a 2D array.
• Find the sum of the boundary elements of a 2D matrix.