More Problems

• Check if all columns in a 2D matrix contain only negative numbers.
• Find the product of all elements in the first row of a 2D matrix.
• Find the sum of all elements in the last column of a 2D matrix.
• Check if an array can be rearranged to form an arithmetic progression.
• Check if an array can be rearranged to form a geometric progression.
• Find the row in a 2D matrix where the product of elements is the largest.
• Find the column in a 2D matrix where the product of elements is the largest.
• Find the number of distinct prime numbers in an array.