回答編集履歴
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修正
answer
CHANGED
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@@ -16,6 +16,7 @@
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s2 が空の状態から徐々に先頭に付け足されて行くのが分かります。
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+
> $python sample1.py
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> s2: a <= c(a) + s2()
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> s2: ba <= c(b) + s2(a)
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> s2: cba <= c(c) + s2(ba)
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@@ -38,6 +39,7 @@
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print reverse(a)
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```
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> $python sample2.py
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> a2: [12] <= n(12) + a2:[]
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> a2: [23, 12] <= n(23) + a2:[12]
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> a2: [34, 23, 12] <= n(34) + a2:[23, 12]
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