编写递归算法,将二叉树中所有结点的左、右子树相互交换。 二叉链表类型定义: typedef struct BiTNode {TElemType data;BiTNode *lchild, *rchild;} BiTNode, *BiTree;实现函数如下: void Exchange(BiTree &bt)/* Exchange the left and right le
1.相关概念 Nodes:A node is an executable that uses ROS to communicate with other nodes.Messages: ROS data type used when subscribing or publishing to a topic.Topics: Nodes canpublishmessagesto a topic a