Abstract: We experimentally demonstrate a metalens array that sorts red (R), green (G), blue (B), and near-infrared (NIR) light on ultra-small pixels. We also ...

1. Separate negative and positive numbeqrs. 2. Square all elements. 3. Reverse the squared negative list. 4. Merge both sorted lists using two pointers.

/*Given an array of integers, find all the leaders in the array. An element is called a leader if it is greater than all elements to its right. The last element is always a leader.