县级以上地方人民政府依法对设立在本行政区域内实行垂直管理或者实行双重领导并且以上级部门领导为主的行政执法机关遵守和执行法律和政策情况进行监督，将发现的问题及时告知其上一级主管部门。
Discard old data: evict what's already buffered to make room
，这一点在heLLoword翻译官方下载中也有详细论述
We even tried building hierarchies with 2-3 levels, but the number of shortcuts grew too fast for higher levels if we generated a full graph inside each cluster.
输出：[3,1,2,1,1,0]