emmmm我还是封楼吧
---------------------------------------------------------------------------------------------------------------------
by teafrogsf @ 2017-12-15 21:37:00
CYH做出来了？
by vani_prcups @ 2017-12-15 21:45:05
重心找错了
siz[u]=0
后面应该加一行
nod[u]=0;
by 汪锦程 @ 2018-08-06 10:30:41