More Problems

• Sort the elements of a 2D matrix by row.
• Sort the elements of a 2D matrix by column.
• Check if the elements of an array are in strictly increasing order.
• Check if the elements of an array are in strictly decreasing order.
• Find the index of the first occurrence of a given element in an array.
• Find the index of the last occurrence of a given element in an array.
• Check if an array contains only positive integers.
• Find the sum of elements in an array that are greater than the given threshold.