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kitano-kazuki
commented
Feb 12, 2026
| * 基準点の一個先（一つ目のポインタの二個先）が基準点と同じ値である限り前に進める. | ||
| * 基準点と違う値になった場所(あるいはNoneになった場所)が, 一つ目のポインタのnextが指すノード(=A)になる. | ||
| * 仕事の引き継ぎ | ||
| * 一つ目のポインタをAに移す. |
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これは不適.
一つ目のポインタのnextをAに変えるが正しい
kitano-kazuki
commented
Feb 12, 2026
| dummy_head = ListNode() | ||
| dummy_head.next = head | ||
| unique = dummy_head | ||
| while unique.next: |
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手癖でis not Noneにするのを忘れていた
kitano-kazuki
commented
Feb 12, 2026
| ## Code2-1 | ||
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| * `processed_end`を`unique`にした. | ||
| * 他の人を見る限り`dummy`は結局使わないと難しそう. |
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headの性質で分岐させればいける
yus-yus/leetcode#4 (comment)
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