回答編集履歴
1
修正
answer
CHANGED
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@@ -5,7 +5,7 @@
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5
5
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lst = [(1, 3), (2, 5), (2, 4) , (5, 4), (6, 9)]
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6
6
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7
7
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for i in range(len(lst), 0, -1):
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8
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-
print(
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8
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+
print(i, lst) # debug 用
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9
9
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k = lst[i - 1]
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10
10
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if i == len(lst):
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11
11
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pre = k
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@@ -21,4 +21,4 @@
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21
21
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22
22
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```
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23
23
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実行例
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24
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-
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