Given a tree with $$$N$$$ vertices, find the number of rooted trees with $$$K$$$ vertices, including vertex 1. Constraints: $$$1 \leq K \leq N \leq 3000$$$.
Help me with this tree dp problem!!
Given a tree with $$$N$$$ vertices, find the number of rooted trees with $$$K$$$ vertices, including vertex 1. Constraints: $$$1 \leq K \leq N \leq 3000$$$.
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