[LeetCode] Binary Tree Level Order Traversal
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leetcode.com/explore/featured/card/top-interview-questions-easy/94/trees/628 Explore - LeetCode LeetCode Explore is the best place for everyone to start practicing and learning on LeetCode. No matter if you are a beginner or a master, there are always new topics waiting for you to explore. leetcode.com 레벨 순회하기 (큐를 이용!) LinkedList를 parent 노드와 child 노드로 나누어서 while 문에서 해결하려고 했는데 잘 안됐다. 못풀어서 답을 본 문제..