找BST树中节点之间的最小差值. /** * Definition for a binary tree node. * struct TreeNode { * int val; * TreeNode *left; * TreeNode *right; * TreeNode(int x) : val(x), left(NULL), right(NULL) {} * }; */ //BST树中序遍历就是递增的序列,相邻两个数的差值,找最小 class Solution { public: int m…