airkit-interview.ts

/* 

Guven an island with the shape of this:
               __
            __|__|                     __
   __      |__|__|   __             __|__|
  |__|   __|__|__|__|__|           |__|__|__
  |__|__|__|__|__|__|__|__    __   |__|__|__|__
__|__|__|__|__|__|__|__|__|__|__|__|__|__|__|__|
[0, 3, 1, 2, 4, 5, 2, 3, 1, 0, 1, 0, 3, 4, 2, 1] => 18

How much water can it hold if it rains?

*/

function main(nums: number[]): number {}