green flag to reset and update length turbo mode is recommended for long lists, shift press green flag
highly efficient divide and conquer sorting algorithm unstable not adaptive space - best: Ω(logn) average: Θ(logn) worst: O(n) time compl - best: Ω(nlogn) average: Θ(nlogn) worst: O(n^2) pick a pivot, make segregate everything with the pivot being the wall. keep doing that
