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목록Populating Next Right Pointers in Each Node II (1)
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LeetCode: 117. Populating Next Right Pointers in Each Node II
""" # Definition for a Node. class Node: def __init__(self, val: int = 0, left: 'Node' = None, right: 'Node' = None, next: 'Node' = None): self.val = val self.left = left self.right = right self.next = next """ class Solution: def connect(self, root: 'Node') -> 'Node': self.helper(root) return root def helper(self, node): if not node: return leftmost, prev = None, None cur = node while cur: if c..
Computer Science/Coding Test
2021. 11. 3. 20:07