并查集不会啊
by 吴W @ 2017-11-01 18:55:04
学
by Paperback_Writer @ 2017-11-01 19:04:24
现学现卖(滑稽)
by 随心唯爱 @ 2017-11-01 20:13:24
所以这道题是并查集?
by cjrsacred @ 2017-11-01 20:36:34
@[随心唯爱](/space/show?uid=44763) 学不了哇 教练在呢
by Therin @ 2017-11-01 20:36:51
2333
by 随心唯爱 @ 2017-11-01 20:47:04
@[cjrsacred](/space/show?uid=55956) 知道是并查集也不会写
by 随心唯爱 @ 2017-11-01 20:47:37
核心部分(并查集):
int getroot(int x)
{
return root[x]==x?x:root[x]=getroot(root[x]);
}
by liangjialin @ 2017-11-01 21:24:48