Webtree的中序遍历“左-根-右”。94. Binary Tree Inorder Traversaliterative的思路:“左根右”,如果左子树不为空,就一直向左,路上经过的节点都暂时不访问,因为“左-根”。暂时不访问的节点都放入栈里。等到了leftmost,没有左孩子了,就可以访问当前节点了,“根”。 WebNov 14, 2024 · A dictionary is a primitive data type in python which stores data in “key: value” format. and thus, we’ll create a dictionary of length 9 and each key will represent a block in the board and its...
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