回答編集履歴
1
別案を追加
answer
CHANGED
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@@ -7,4 +7,16 @@
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7
7
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c = ChainMap(*map(lambda x: dict.fromkeys(x[1], x[0]), enumerate(classes)))
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8
8
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ans = list(map(lambda i: c[i], range(12)))
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9
9
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print(ans)
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10
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+
```
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11
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+
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12
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+
再帰を使った別案です。
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13
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+
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14
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+
```python
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15
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+
def solve(n, row=0):
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16
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return row if n in classes[row] else solve(n, row+1)
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17
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+
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18
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classes = [[4,5,9,10],[0,2,7],[1,3,6,8,11]]
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19
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ans = list(map(solve, range(12)))
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20
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print(ans)
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21
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+
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10
22
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```
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