Py3 C++計數排序counting sort解Leetcode 2294 Partition Array Such That Maximum Difference Is K
基本上使用Greedy sort，而排序就用counting sort
[Python C++計數排序與一行解Leetcode 1051 Height Checker]https://www.youtube.com/watch?v=dybiq3pg-Os
[ Leetcode play list]https://www.youtube.com/playlist?list=PLYRlUBnWnd5IdDHk2BjqXwesydU17z_xk
