Design an algorithm to encode an N-ary tree into a binary tree and decode the binary tree to get the original N-ary tree. An N-ary tree ...
Given a n ary tree, find its maximum depth. The maximum depth is the number of nodes along the longest path from the root node down to the farthest leaf node. For example, given a arytree: We should ...
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Design an algorithm to encode an N-ary tree into a binary tree and decode the binary tree to get the original N-ary tree. An N-ary tree ...
Given an n-ary tree, return the postorder traversal of its nodes' values. For example, given a 3-ary tree: Return its postorder ...
Given an n-ary tree, return the preorder traversal of its nodes' values. For example, given a 3-ary tree: Return its preorder traversal ...
Given an n-ary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by level). For example, given a 3-ary ...
要求:求二叉樹的深度(二叉樹的深度為最遠葉子節點到根節點的距離,即根節點到最遠葉子節點的距離) 有兩種求解的思路,一種采用DFS的思想,一種采用BFS的思想,如下代碼所示: ...
Given a binary tree, find its maximum depth. The maximum depth is the number of nodes along the longest path from the root node down ...
Serialization is the process of converting a data structure or object into a sequence of bits ...
數據結構里面講過:用遞歸,深度優先遍歷或廣度優先遍歷都行 ...