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1. 문제 링크 https://leetcode.com/problems/populating-next-right-pointers-in-each-node-ii/description/ LeetCode - The World's Leading Online Programming Learning Platform Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. leetcode.com 2. 문제 설명 아래 형태의 binary tree가 주어졌을 때 struct Node { int val; Node *left; Node ..

1. 문제 링크 https://leetcode.com/problems/binary-tree-level-order-traversal/ - LeetCode Can you solve this real interview question? - Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. leetcode.com 2. 문제 설명 이진 트리의 각 레벨마다 노드 값을 모두 담은 리스트를 반환하는 것 예시) 아래 트리가 주어지면 [[3],[9,20],[15,7]]를 반환 3 / \ 9 20 / \ 15 7 3. 처음..