Closed labuladong closed 2 years ago
226: https://leetcode.cn/problems/invert-binary-tree/solution/xiao-bai-shua-ti-by-ting-chen-4-okge/ 116: https://leetcode.cn/problems/populating-next-right-pointers-in-each-node/solution/xiao-bai-shua-by-ting-chen-4-jeut/ 114: https://leetcode.cn/problems/flatten-binary-tree-to-linked-list/solution/xiao-bai-shua-ti-by-ting-chen-4-lfv3/
No.226 https://leetcode.cn/problems/invert-binary-tree/solution/fan-zhuan-er-cha-shu-by-zhangxr-6tj7/ No.116 https://leetcode.cn/problems/populating-next-right-pointers-in-each-node/solution/by-zhangxr-7h1j/ No.114 https://leetcode.cn/problems/flatten-binary-tree-to-linked-list/solution/jiang-er-cha-shu-zhan-kai-wei-lian-biao-rtmu9/
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