This is the most difficult of all types of iterative tree traversals. You should attempt this problem:Binary Search Tree In-Order Traversal Iterative Solutionbefore this as it is an easier problem. The easiest of all iterative tree traversals isPre-Order Traversal. Post-order traversal is useful ...
preorder用栈两三下就写完了 1vector<int> preorderTraversal(TreeNode *root) {2vector<int>nodes;3if(root == NULL)returnnodes;4stack<TreeNode *>tStack;5tStack.push(root);6while(!tStack.empty()){7TreeNode *top =tStack.top();8nodes.push_back(top->val);9tStack.pop();10if(top->right...
15、课程:树(下).10、练习—Iterative Postorder Traversal -- -- 10:33 App 15、课程:树(下).7、练习—Iterative Get和Iterative Add 2 -- 12:36 App 15、课程:树(下).13、练习—Construct Binary Tree from Preorder and Inorder Traversal 1 -- 9:07 App 15、课程:树(下).3、练习—Floor and...
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Given a binary search tree, print the elements in-order iteratively without using recursion.Note:Before you attempt this problem, you might want to try coding a pre-order traversal iterative solution first, because it is easier. On the other hand, coding a post-order iterative version is a ...