@[MagicLyney_06](/user/970336) 因为$1 \le w \le 2^{31}$，两个 $2^{31}$ 加起来就爆 `int` 了，更别说边还有那么多
by NaHCO3_tht @ 2023-11-07 10:08:53
@[NaHCO3_tht](/user/473188) 可是计算部分我是开了`LL`的
by MagicLyney_06 @ 2023-11-07 10:14:16
`int dfs`
by Terrible @ 2023-11-07 10:17:41
@[Terrible](/user/195942) Thanks♪(･ω･)ﾉ
by MagicLyney_06 @ 2023-11-07 10:40:06