More Problems

• Find the sum of all elements in the upper triangular part of a 2D matrix.
• Find the sum of all elements in the lower triangular part of a 2D matrix.
• Check if a given array is symmetric.
• Merge two unsorted arrays and sort the resulting array.
• Find the common elements between two arrays.
• Find the union of two unsorted arrays without using built-in functions.
• Find the intersection of two unsorted arrays without using built-in functions.
• Remove all negative numbers from an array.