Leetcode 96/dynamic-programming/Unique Binary Search Trees
直达:https://leetcode.com/problems/unique-binary-search-trees/description/英文描述:Givenn,howmanystructurallyuniqueBST's(binarysearchtrees)thatstorevalues1...n?Forexample,Givenn=3,thereareatotalof5uniqueBST