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lc-hints

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109-convert-sorted-list-to-binary-search-tree.txt

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3 lines (3 loc) · 101 Bytes

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lc-hints

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109-convert-sorted-list-to-binary-search-tree.txt

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3 lines (3 loc) · 101 Bytes

1

2

3

use slow/fast pointer to find middle element

use slow.val as root

remember to set prev->next to null

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