How to sort an array efficiently

Question

I\'m trying to sort an array [3,3,2,1,3,2,2,2,1] to [1,1,3,3,3,2,2,2,2].

I\'m trying to handle it using object, using the number as key, and th

Answer 1

Try something like

var curIndex = 0;
for i in result {
   arr.fill(i, curIndex, curIndex + result[i]);
   curIndex = curIndex + result[i];
}