同求，坐等
by sanaka87 @ 2020-11-30 21:34:00
~~仙人掌~~
by impuk @ 2020-11-30 21:34:10
Cu ball
by 616_414 @ 2020-11-30 21:34:40
[P7100 [w3R1] 团](https://www.luogu.com.cn/problem/P7100)
可以试试，不算难
by Sqrtyz @ 2020-11-30 21:36:01
二进制分组（
by tuxiaobei @ 2020-11-30 21:39:02
分层图
by Hexarhy @ 2020-11-30 21:40:03
话说我图论 trick 也很烂我也想知道/kk
by Hexarhy @ 2020-11-30 21:40:31
[通道](https://www.luogu.com.cn/problem/P4220)
by AsunderSquall @ 2020-11-30 21:41:26
~~最小乘积生成树~~
by ghr_226 @ 2020-11-30 21:43:05
因为我图论太蒻了迄今为止做过最难的最短路就是逛公园了。骚操作的话问无向图是否带 $T(<=10^{18})$ 长度的从 $1$ 到 $n$ 的路径应该是我这个蒟蒻见过最难（奇葩）的最短路题了/kel
by Cry_For_theMoon @ 2020-11-30 21:47:49