如果节点"Boolean.text“= "false”,那么我需要有节点“注释”的内容,但是,在我使用的代码中,我经常会收到错误消息"Runtime 91,Object变量或块变量未设置“on "If (goodBad.hasChildNodesDim list As IXMLDOMNodeList Dim goodFalse As IXMLDOMNode
Dim goodBadElseIf goodFalse.Text = "false
我提出了一个用于检查二叉树是否有效的递归实现: Return true if binary tree is a binary search treebool BinaryTree::isBinarySearchTree(BinaryTree* tree, int& prev) if(!isBinarySearchTree(tree->left, tree->data)) // left return