题目: 题解:
# Definition for a binary tree node.
# class TreeNode:
# def __init__(self, val0, leftNone, rightNone):
# self.val val
# self.left left
# self.right right
class Solution:def countNodes(self,…
文章目录 1.DRL文件的组成:2.package3.import4.function5.query6.declare7.global8.rule8.1.规则属性8.2.LHS8.2.1.语法格式8.2.2.运算符优先级8.2.3.特殊的运算符1.matches, not matches2.contains, not contains3.memberOf, not memberOf4.in, notin5.soundslike6…