java.lang.Object
g0001_0100.s0096_unique_binary_search_trees.Solution

public class Solution extends Object
96 - Unique Binary Search Trees\. Medium Given an integer `n`, return _the number of structurally unique **BST'**s (binary search trees) which has exactly_ `n` _nodes of unique values from_ `1` _to_ `n`. **Example 1:** ![](https://assets.leetcode.com/uploads/2021/01/18/uniquebstn3.jpg) **Input:** n = 3 **Output:** 5 **Example 2:** **Input:** n = 1 **Output:** 1 **Constraints:** * `1 <= n <= 19`
  • Constructor Details

    • Solution

      public Solution()
  • Method Details

    • numTrees

      public int numTrees(int n)