树链剖分做法求助

P1967 [NOIP2013 提高组] 货车运输

尴尬。。。 `LCA()` 写错了，`if (u->depth < v->depth)` 应该改为 `if (u->head->depth < v->head->depth)`
by yiming564 @ 2024-04-04 22:35:02

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