5018

P5018 [NOIP2018 普及组] 对称二叉树

先递归判断当前子树是不是对称二叉树,如果是就取 \(\max\) 然后退出,否则继续递归左儿子的左子树和右儿子的右子树、左儿子的右子树和右儿子的左子树判断。 最坏情况是每次都递归到叶子,也就是每层都是 \(O(n)\)。但一共只有 \(O(\log n)\) 层,所以时间复杂度是 \(O(n\log ......
P5018 5018 2018 NOIP

Wallys|DR5018 Qualcomm-Atheros IPQ5018 M.2 Card Slot for 5G (QUECTEL RM 500Q-GL) ;M.2 Card Slot for QCN9074 WIFI 6E Card

Introducing the Qualcomm-Atheros IPQ5018 - the cutting-edge networking solution that will revolutionize your home or business internet experience. The ......
Card 5018 Qualcomm-Atheros Slot for
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