776. Split BST #47
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776. Split BST #47
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tokuhirat
reviewed
Aug 17, 2025
| while (node) { | ||
| if (node->val <= target) { | ||
| *lesser_subtree_root_to_find = node; | ||
| TreeNode* tmp = node->right; |
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tmp は意味がある変数なので、next_node_to_split ぐらいでも良いかなと思いました。
tokuhirat
reviewed
Aug 17, 2025
| vector<TreeNode*> splitBST(TreeNode* root, int target) { | ||
| TreeNode* lesser_root = nullptr; | ||
| TreeNode* greater_root = nullptr; | ||
| TreeNode** lesser_subtree_root_to_find = &lesser_root; |
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lesser_insert_position など node そのものではないことが変数名からわかると、L96 の操作の意味が読みやすいと思いました。
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https://leetcode.com/problems/split-bst/
https://leetcode.ca/all/776.html