More Problems

• Count how many times a given number appears in an array.
• Sort an array in ascending order using insertion sort.
• Sort an array of integers in ascending order using quicksort.
• Check if all elements in an array are distinct.
• Find the kth smallest element in an array.
• Find the kth largest element in an array.
• Shift all zeros to the end of an array without changing the order of the other elements.
• Find the smallest element in a 2D array.