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@ -87,7 +87,6 @@ std::pair<Treap::node *, Treap::node *> Treap::splitByValue(Treap::node *p, int
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Treap::node *Treap::merge(Treap::node *x, Treap::node *y) {
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if (x == nullptr) return y;
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if (y == nullptr) return x;
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if (x->val > y->val) std::swap(x, y);
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if (x->key > y->key) {
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x->right = this->merge(x->right, y);
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x->pushup();
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