nexthexonextbutterflyvolantisyearnyiliashokaindigoapollolandscapecactusmateryicarusfluidmaterial 珂朵莉树珂朵莉树是一颗树，我们用集合来维护，c++中集合是红黑树，所以我们借助此集合来完成珂朵莉树。我们将区间分段，那么各段有唯一的左端点，我们将左端点放入集合，当我们遍历集合的时候，我们就得到了我...

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