过了样例,全WA,求调

P3178 [HAOI2015] 树上操作

@[xishanmeigao](/user/275209) change1 里加个 spread 就A了
by JimmyF @ 2023-04-11 22:23:56


@[JimmyF](/user/252839) 已过,谢谢
by xishanmeigao @ 2023-04-12 19:10:54


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