开long long到了90分 记录:[记录](https://www.luogu.com.cn/record/129239853)
by idgg007 @ 2023-10-14 10:51:40
开 `__int128` (
by kbzcz @ 2023-10-14 10:53:24
艹,是我草率了,对于`A->B B->C C->A (dis==0)`的情况下与`A==B B==C C==A`等效,也就是需要用Tarjan缩点QAQ
by idgg007 @ 2023-10-14 10:55:48
@[kbzcz](/user/416192) 很显然并不是long long 炸了 的问题
by idgg007 @ 2023-10-14 10:56:39
@[idgg007](/user/297831)
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$6$
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我也没想到是这个。。。
by XX_Traveller_XX @ 2023-10-14 11:11:31