回答編集履歴
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追記
test
CHANGED
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@@ -1,3 +1,65 @@
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(追記)
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もっと素直に組んでみました
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```python
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def unify_group2(all_groups: List[Set[int]]) -> List[Set[int]]:
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val_to_index = {}
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result = []
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for s in all_groups:
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indices = {val_to_index.get(n, -1) for n in s}
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if max(indices) == -1:
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result.append(s)
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index = len(result) - 1
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for n in s:
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val_to_index[n] = index
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else:
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indices = sorted(i for i in indices if i > -1)
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index = indices[0]
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for i in indices[1:]:
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result[index] |= result[i]
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for j in result[i]:
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val_to_index[j] = index
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# 空をセットしておいて後で取り除く
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result[i] = {}
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result[index] |= s
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for n in s:
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val_to_index[n] = index
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return list(filter(None, result))
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```
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----
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1
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私だったら……
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64
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65
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```python
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