More Problems

• Swap the even-indexed elements with the odd-indexed elements of an array.
• Find the difference between the largest and smallest elements in an array.
• Find the smallest positive missing number in an array.
• Find the average of the elements in each column of a 2D array.
• Multiply two 2D matrices together.
• Check if a 2D array is a magic square (where sums of rows, columns, and diagonals are equal).
• Find the trace of a square matrix (sum of diagonal elements).
• Flatten a 2D array into a 1D array.