题目: 题解:
class Solution:def minDepth(self, root: TreeNode) -> int:if not root:return 0que collections.deque([(root, 1)])while que:node, depth que.popleft()if not node.left and not node.right:return depthif node.left:que.appen…
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概述 16.1line integrals of scalar functions
[中英双语]可视化多元微积分 - 线积分介绍_哔哩哔哩_bilibili 16.2vector fields and line integrals: work circulation and flux 向量场差不多也是描述某种…