LeetCode 429: N-ary Tree Level Order Traversal
Problem Restatement We are given the root of an N-ary tree. We need to return the level order traversal of its node values. Level order traversal means: Visit all nodes on level 0 Then all nodes on level 1 Then all nodes on level 2 Continue until the tree is finished For each level, we store the node values in a separate list. The final answer is therefore a list...