Kruskal 重构树 题单介绍 Kruskal 重构树。 题目列表 [NOIP 2013 提高组] 货车运输 星际导航 Qpwoeirut and Vertices Labyrinth [NOI2018] 归程 [APIO2020] 交换城市 Cheap Robot Graph and Queries [ONTAK2010] Peaks [ONTAK2010] Peaks 加强版 Clusterization Counting [AGC002D] Stamp Rally [ARC098F] Donation [CERC2016] 机棚障碍 Hangar Hurdles Groceries in Meteor Town [IOI 2018] werewolf 狼人 Tour Belt [SDOI2019] 世界地图 Li Hua and Path