116. Populating Next Right Pointers in Each Node
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Algorithm
Populating Next Right Pointers in Each Node - LeetCode 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 이진트리가 주어진다. 이진트리의 동일한 레벨을 왼쪽에서 오른쪽으로 연결하는 문제다. 1. BFS from collections import deque, defaultdict class Solution: def connect(self, root: 'Node') -> 'Node': q = deque([(root, 0)]) dict1 = d..