Closed labuladong closed 2 years ago
No.104 https://leetcode.cn/problems/maximum-depth-of-binary-tree/solution/er-cha-shu-de-zui-da-shen-du-by-zhangxr-yufn/ No.144 https://leetcode.cn/problems/binary-tree-preorder-traversal/solution/er-cha-shu-de-qian-xu-bian-li-by-zhangxr-wkp7/ No.543 https://leetcode.cn/problems/diameter-of-binary-tree/solution/by-zhangxr-fjr2/
104: https://leetcode.cn/problems/maximum-depth-of-binary-tree/solution/xiao-bai-shua-ti-by-ting-chen-4-bfl0/ 543: https://leetcode.cn/problems/diameter-of-binary-tree/solution/xiao-bai-shua-ti-by-ting-chen-4-l9iy/ 144: https://leetcode.cn/problems/binary-tree-preorder-traversal/solution/xiao-bai-shua-ti-by-ting-chen-4-nv7y/
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